Chat with survey team

1. mauf plugs for both ends of chamber with concentric 8mmH7 holes, with nylon tipped grub screws/clamp bars

2. Manuf of target with 8mmH7 hole

3. Manuf detector with 8mmH7 hole

4. Manuf of 4x pad sliders for feet for radial alignment.

Report from survey team attached.

Run 1-10 Test

14 September 2017

Run 11 Start 18:16 (CERN time)

Faults:

adc#2 7,8 missing segments (n+n side dE)

adc#3 19 low gain (p+n E)

some strips have no noise but maybe that is OK.

Run 12 Start 11:50

Pulse switched on halfway through

Run 13 Start 12:08

Pulser on

ADC spectra:

#1 ch0 bad resolution (also pulser)

#2 ch7 ch8: no alphas, pulser there

#3 ch0 low gain, ch24 low resolution

#4 ch 7 low gain only for alphas (not pulser)

TDC missing: ch 32,80,120,123

Not understood yet: 1mm detector has peak at ~1.5 MeV @ adc#3 ch20-30 (with ALL alpha events when visible , 24 looks very distorted); not visible in ADC#4 (n+n) no alpha in ADC#6 although segment.

ADC#1 0-31: p+n dE

ADC#2 32-48: n+n dE

ADC#2 49-64: p+n dE

ADC#3 0-31: p+n E

ADC#4 32-48: n+n E

ADC#4 49-64: p+n E

ADC#5 0-31: p+n HI

ADC#6 32-48: n+n HI

ADC#7 49-64: p+n HI

CERN side
     Faraday cup at the end of SEC, ideally with automated control to insert and remove

Edinburgh side
     Photographs of chamber, diagrams, measurement, nicely organised 
     FC output from SHV to SMA, to input to CERN preamp
     Beam viewer scintillating min beam intensity?
     Irises to protect SSDs are essential since the beams will be tuned for energy case by case and not at once.
     Collimator sizes for the target ladder?
     Window view port to confirm iris settings?
     Photodiodes should be on the opposite side of the target ladder from the collimator.  

dE detector: 2083-9, 74 um thick, V_depletion=12V; V_operating=24 V

E detector:  3080-23, 1012 um thick, V_d=110; V_o=350 V

HI detector: 2410-23, 65 um; V_d=7 ; V_o=14 V

Connect bias cables 14,15,16 (dE,E,HI)

Quad Bias Supply ports 1,2,3 (dE,E,HI). There seems to be some offset voltage on them (V1=3V, V2=7V, V3=1V, V4=4V) Seems to go dowon when preamps are on.

Leakage Currents

dE:

E:

HI:

Discussion with ISOLDE staff -> things to sort out:

1) Removable Faraday Cup between Scattering Chamber and our Chamve

Thursday, 7th September:

Vaccum after pumping all night preamps off, chiller off

• 09:37: IMG1 2.3E-5 mbar, Chamber 7.5 E-5 mbar; Julabo off;
• 09:38: IMG1 2.1E-5 mbar; Chamber 6.6E-5 mbar; Julabo 20 Celsius
• 09:41: IMG1 2E-5; Chamber 6.6E-5; Julabo 5 Celsius
• 09:55: IMG1 1.3E-5; Chamber 1.3E-5
• 10:10 IMG1 1.2E-5; Chamber 4.5E-5;

Preamp power ON, Chiller on 5 Celsius

• 10:25 IMG1 1.3E-5; 5E-5; Thermocoupling Readout 16 Celsius
• 11:20 IMG1 1.5E-5; 6.1E-5 Thermocoupling Readount 19.3
• 13:08 IMG1 1.6E-5; 5.5E-5
• 14:16 IMG1 1.4E-5; 5.1E-5
• 15:40 IMG1 1.4E-5; 4.9E-5
• 17:55 IMG1 1.3E-5; 4.5E-5

Preamp OFF, chiller off

8th September

• 1.2E-5; 3.9E-5

--> Leak test with He, replace target ladder with blank and refit feedtrhrough (upstream detectors), identify some scratches

start pumping

• 23:50 IMG1 2.2E-5; Chamber 9E-5

9th September

• 08:17 IMG1 1.3E-5; 5.1E-5 mbar

Leak test but no leaks found anywhere now.

Chiller on 5 Celsius, preamplifiers ON

• 10:55 IMG1 9.1E-6; 3.8E-5
• 12:00 IMG1 8.9E-6; 4.0E-5
• 14:50 IMG1 8.1E-6; 3.6E-5

Preamplifiers OFF

• 15:05 IMG1 6.3E-6; 2.9E-5 (9.8 C)
• 15:12 IMG1 6.1E-1; 2.9E-5 (9.3 C)
• 15:25 IMG1 5.9E-6; 2.8E-5 (9.0 C)

Chiller OFF (not sure when exactly chiller was turned off)

Sunday 10/09/2017

• 22:50 IMG1 8.8E-06; 3.4E-05

Monday 11/09/2017

• 9:20 IMG1 8.2E-06; 2.7E-05

Leak test on Cooling loop. --> Big leak detected. Open up chamber to replace cooling.

Tuesday 12/09/2017

Several tests done for cooling, it seems that even the smallest possible cooling loop is leaky.

• 19:00, close chamber and start pumping
• 19:13 start both turbo pumps at 9.9E-1 mbar
• 19:23 P=2.7E-4 mbar

Note that big Turbopump has been switched to normal start so pumping times not comparable with before. Maximum wattage of pump should be 420 W

Wednesday 13/09/2017

• 9:15 8.5E-6 mbar; 3.1E-5mbar
• 9:30 Cooling ON, switched to -10C
• 10:05 4.4E-6 mbar; 1.7E-5 bar (-9.9C on chiller)
• 10:15 preamps on, -10 C, 4.1E-6; 1.6E-5 mbar
• 10:22 T readout 5.6 C, 4.6E-6; 1.8E-5
• 10:26 T readount 6.2 C; 4.8E-6 mbar, 1.9E-5 mbar
• 10:40 4.9E-6 mbar; 1.9E-5 mbar

Preamps off, cooler off

open chamber for detector installation and some checks; close chamber and pump

• 18:55 7.2E-5; 3.3E-4 mbar
• 20:45 4.4E-5; 1.8E-4 mbar (nopreamp, no chiller)

Thursday, 14 September 2017

• 9:25 1.1E-5mbar; 4.3E-5 mbar

open chamber to discuss with beam operators

• 11:05 close chamber start pumping
• 11:20 1.2 mbar, turbo pumps on
• 11:32 4.1E-4 mbar; 1.1E-3 mbar

MIDAS DAQ configuration files from directories w26:/MIDAS/experiments/daq
and w26:/MIDAS/TapeServer/SunOS

Network configuration files for workstation w26 (Sun Ultra 45)

serial # 0743TFC0DQ
host ID # 840e6006
MAC address 0:14:4f:e:60:6

The MIDAS DAQ configured to use ppc1 (MVME 2431 CPU) connected
to w26 via port 1 (/dev/bge1)

==BOX A==  59kg - 600mm x 600mm x 800mm

VME crate, with power cable
    7 Silena ADCs
    1 S9418 ACQ controller
    2 CAEN V767 TDC
    CAEN 560
    MVME 24XX Motorola crate Controller
26 ribbon cables
    12 for analog
    12 for discrim
    2 extra


==BOX B==  49kg - 600mm x 600mm x 800mm

RAL amp crate (full with modules)
Ribbon cables for patch
1 NIM Fan
2 Cable patch boxes


==BOX C==  40kg - 600mm x 600mm x 800mm

RAP amp crate (only 5 modules)
Ribbon cables for patch
1 NIM Fan
2 Cable patch boxes


==BOX D==  29kg - 450mm x 450mm x 450mm

Scrolling pump
Backflow interlock


==BOX E==  

Target ladder and components


==BOX F==  92kg - 600mm x 600mm x 800mm

Large TMP
Small TMP
2 TMP controllers
2 Preamp feedthrough
   Bolts and washers
   2 O-Rings + 1 spare
2 Preamp power supplies
TMP bolts (large and small)
20x IEC leads
2x Swiss to UK leads
Box E
Box G
2x spare HVBNC cables
middle foot sections of blue frame
2x vacuum hoses


==BOX G==

2 inverse magnetron ion gauges
1 thermocouple vacuum gauge


==BOX H==

Multi gauge reader


==Box I==

Chiller & Pipes
Chamber, sliding mount
Box H (gauge reader)
Box E (target ladder)
4 Long ribbon cables
3 Power Bars


==BOX J==

6 feet for chamber stand
All bolts for chamber stand
Spacers


==BOX K==

Valve for TP 1 & 2
vacuum clamps


==BOX L==

Upstream beamline pipe
    Gate valve, nipple, adaptor flange to SEC
N2 pipe with valve
Mechanical pressure gauge and "plus" type connector
Swagelok nylon and brasss ferrels for gas line / coolant piping


==BOX M==

Bolts, nuts and spacers for chamber end flanges and center


==BOX N=

Blanking kindey plate
bellows
bellow cage
o-ring for ribbon feedthroughs
spare straight and right angle swagelok fittings
TMP/gauge mounting pipe
Faraday cup
dummy detectors
thermocouple cbable
cctv camera power lead
BNC to Lemo 
Lemo to Ribbon box
lemo cables
20 ~1 cm spacers for SSD mounting
9 ~2 cm spacers for SSD mounting


==BOX O==  84kg - 600mm x 600mm x 800mm

Box J, K. L. M, N, S, T
Old inv magnetron vac gauge meter
thin green polymer tubing (gas lines, cooling system)
current integrator for FC
3 large O-Rings for chamber (spare)
thermometer
short bits of blue frame
braces off blue frame
16way BNC multicore


==BOX P==  83kg - 600mm x 600mm x 800mm

Camac crate
     5x Logic Shaped Outputs (CAMAC)
     2x CAMAC / VME converter
     1 LeCroy 622 Quad Logic (NIM)
     1 Ortec 566 TAC (NIM)
     1 Lecroy 222 dual GDG
     1 Ortec 459 bias supply

NIM crate
     1 BNC PB-5 digital pulse generator
     1 BNC PB-4 analog pulse generator
     1 Analog ratemeter 4678
     1 ECL-NIM-ECL EC 1601
     1 Silena Quad Bias Supply 7710
     2 LeCroy 419A Logic FI/FO

     
==BOX Q==  52kg - 600mm x 600mm x 800mm

Sun Microsystems Tower


==BOX R==  37kg - 600mm x 450mm x 700mm

Wheels for frame
Tools
Safety boots and helmets-
    -Daid
    -Toby
    -Mirco
    -Claudia


==BOX S==

2 S2 1000 um SSDs


==BOX T==

3 S2 75 um SSDs


==Box U==

1 green gremlin
2 pink unicorns


==Bundle 1==  16kg - 1600mm x 400mm x 150mm


==Bundle 2==  8kg - 700mm x 150mm x 150mm


==Bundle 3==  15kg - 1400mm x 300mm x 150mm


==Bundle 4==  12kg - 650mm x 1150mm x 100mm


==Bundle 5==  23kg = 2300mm x 150mm x 150mm


Number of Packages: 10 Boxes, 5 Bundles


NET WEIGHT: ~800kg

==BOX A==
VME crate
26 ribbon cables
    12 for analog
    12 for discrim
    2 extra

==BOX B==
RAL amp crate (full with modules)
Ribbon cables for patch
1 NIM Fan
2 Cable patch boxes

==BOX C==
RAP amp crate (only 5 modules)
Ribbon cables for patch
1 NIM Fan
2 Cable patch boxes

==BOX D==
Scrolling pump
Backflow interlock

Photodiode
     Electronics
     Foil mount (12 um Al seems okay, but check more carefully)

Beam viewing material
     Previous order very delayed

==TDC data==

*Check for remaining LeCroy 622 quad logic unit
      ask Stephan http://www.ph.ed.ac.uk/people/stephan-eisenhardt

*Conversion cables for CAEN V767 TDC input

*RAL ADC output split of ribbon cable

==SSDs==

How to protect the S2s during beam tuning?
     Can the ISOLDE operators easily restore beam optics settings or not?
     (Determines if we can do all the beam tuning at once or if we have to separate them)
     Controlable iris aka Star Wars door -- contact Simon Fox at York

Dynamic range of the preamps is only maximum 200 MeV, so we need a foil to degrade the heavy ion energy

Gain resistors for up to three dynamic range settings

Checking some server settings for the elog system regarding the email notification.

And testing updating an elog.


Testing again...

Status of Beamline XT03 at HIE-ISOLDE:

Scattering chamber (1m*1m) will be put in place in next two weeks. They are just waiting for separate crane, which will be mounted on the wall.
(Reason is, that the roof crane can only go down in the middle for XT03, because it is the end of the hall)

The scattering chamber will take place at the gray surface with all tube connector.
The end of scattering chamber is ISO 100. Do we have the right adapter for the tube to connect?

The scattering chamber, with a lot of electronics inside, has a pressure of something E-06 mbar, so our pressure should fit well.

Our faraday cup was asked to have the possibility to monitor if we getting beam or not.

Behind the scattering chamber there will be a setup for Neutron Time of Flight experiment on C15 in the end of august and on 9/10Li in the end of October 2017.
The setup length will be additional 5-6 meters (close to left end of the poster/wooden box on picture).

Offline Setup:

Offline Setup next to parallel wall will probably not be possible due to the other setup, but there is at least 2-3m*4-5m space on the wall, where the beam line points to (corner). We just have to leave some space that people can access the crane ladder.
No specific time was discussed, because the current setup has to first installed.

Alignment:

The Tools are mounted at the wall (2 points) and are setup in the corner (stand from bottom). It is an electronic system, no further details from Karl, but contact has been established.

Beam Height:

Beam height is 1.75m. We will bring our own metal frame for support. What is our height (range) at the moment?

For Offline test we can have an alpha source.

Power plug: SWISS standard à need ADAPTERs

3 normal plugs per grounded access point (with C16 fuse). For offline testing we can easily use 1-2 access points, which would be enough.

Near the installation place at the beamline are also 2 access points, which we will share with the scattering chamber. In case we also use extension to the offline ones, although safety regulation allow no cables on the floor, so we always have to use cable guides above. (I´m not sure how they deal with power cables…)

Next point: cables guide are used, so we have to bring longer BNC cables and the other long ribbon cables.

No camacs crates are spotted at the moment by Karl, which we could use.

No OIL pumps are allowed anymore at HIE – ISOLDE. Our roughing pump and Turbo pump are working without oil, aren´t they?

Grounded crates??

Expectations:

They want to have a drawing of our setup (chamber including metal frame, crates, vacuum pipes, water cooling, … maybe add work place with PC)  

And all the SAFETY Regulation papers should be prepared.

Important!!! Everything is temporary:

 There are daily changes in the setup at XT03 with scattering chamber and neutron TOF setup in the next week and when ISS chamber will be installed, the odds and ends near the wall and the corner will hopefully disappear, so we will have a better picture how much space in the end will be there.

I will visit ISOLDE in the beginning of June again to see the progress.

Forgot to ask:

Any special placement for water cooling or can we still use shortest possible distance to chamber?

Status of Beamline XT03 at HIE-ISOLDE:

Scattering chamber (1m*1m) will be put in place in next two weeks. They are just waiting for separate crane, which will be mounted on the wall.
(Reason is, that the roof crane can only go down in the middle for XT03, because it is the end of the hall)

The scattering chamber will take place at the gray surface with all tube connector.
The end of scattering chamber is ISO 100. Do we have the right adapter for the tube to connect?

The scattering chamber, with a lot of electronics inside, has a pressure of something E-06 mbar, so our pressure should fit well.

Our faraday cup was asked to have the possibility to monitor if we getting beam or not.

Behind the scattering chamber there will be a setup for Neutron Time of Flight experiment on C15 in the end of august and on 9/10Li in the end of October 2017.
The setup length will be additional 5-6 meters (close to left end of the poster/wooden box on picture).

Offline Setup:

Offline Setup next to parallel wall will probably not be possible due to the other setup, but there is at least 2-3m*4-5m space on the wall, where the beam line points to (corner). We just have to leave some space that people can access the crane ladder.
No specific time was discussed, because the current setup has to first installed.

Alignment:

The Tools are mounted at the wall (2 points) and are setup in the corner (stand from bottom). It is an electronic system, no further details from Karl, but contact has been established.

Beam Height:

Beam height is 1.75m. We will bring our own metal frame for support. What is our height (range) at the moment?

For Offline test we can have an alpha source.

Power plug: SWISS standard à need ADAPTERs

3 normal plugs per grounded access point (with C16 fuse). For offline testing we can easily use 1-2 access points, which would be enough.

Near the installation place at the beamline are also 2 access points, which we will share with the scattering chamber. In case we also use extension to the offline ones, although safety regulation allow no cables on the floor, so we always have to use cable guides above. (I´m not sure how they deal with power cables…)

Next point: cables guide are used, so we have to bring longer BNC cables and the other long ribbon cables.

No camacs crates are spotted at the moment by Karl, which we could use.

No OIL pumps are allowed anymore at HIE – ISOLDE. Our roughing pump and Turbo pump are working without oil, aren´t they?

Grounded crates??

Expectations:

They want to have a drawing of our setup (chamber including metal frame, crates, vacuum pipes, water cooling, … maybe add work place with PC)  

And all the SAFETY Regulation papers should be prepared.

Important!!! Everything is temporary:

 There are daily changes in the setup at XT03 with scattering chamber and neutron TOF setup in the next week and when ISS chamber will be installed, the odds and ends near the wall and the corner will hopefully disappear, so we will have a better picture how much space in the end will be there.

I will visit ISOLDE in the beginning of June again to see the progress.

Forgot to ask:

Any special placement for water cooling or can we still use shortest possible distance to chamber?

Status of Beamline XT03 at HIE-ISOLDE:

Scattering chamber (1m*1m) will be put in place in next two weeks. They are just waiting for separate crane, which will be mounted on the wall.
(Reason is, that the roof crane can only go down in the middle for XT03, because it is the end of the hall)

The scattering chamber will take place at the gray surface with all tube connector.
The end of scattering chamber is ISO 100. Do we have the right adapter for the tube to connect?

The scattering chamber, with a lot of electronics inside, has a pressure of something E-06 mbar, so our pressure should fit well.

Our faraday cup was asked to have the possibility to monitor if we getting beam or not.

Behind the scattering chamber there will be a setup for Neutron Time of Flight experiment on C15 in the end of august and on 9/10Li in the end of October 2017.
The setup length will be additional 5-6 meters (close to left end of the poster/wooden box on picture).

Offline Setup:

Offline Setup next to parallel wall will probably not be possible due to the other setup, but there is at least 2-3m*4-5m space on the wall, where the beam line points to (corner). We just have to leave some space that people can access the crane ladder.
No specific time was discussed, because the current setup has to first installed.

Alignment:

The Tools are mounted at the wall (2 points) and are setup in the corner (stand from bottom). It is an electronic system, no further details from Karl, but contact has been established.

Beam Height:

Beam height is 1.75m. We will bring our own metal frame for support. What is our height (range) at the moment?

For Offline test we can have an alpha source.

Power plug: SWISS standard à need ADAPTERs

3 normal plugs per grounded access point (with C16 fuse). For offline testing we can easily use 1-2 access points, which would be enough.

Near the installation place at the beamline are also 2 access points, which we will share with the scattering chamber. In case we also use extension to the offline ones, although safety regulation allow no cables on the floor, so we always have to use cable guides above. (I´m not sure how they deal with power cables…)

Next point: cables guide are used, so we have to bring longer BNC cables and the other long ribbon cables.

No camacs crates are spotted at the moment by Karl, which we could use.

No OIL pumps are allowed anymore at HIE – ISOLDE. Our roughing pump and Turbo pump are working without oil, aren´t they?

Grounded crates??

Expectations:

They want to have a drawing of our setup (chamber including metal frame, crates, vacuum pipes, water cooling, … maybe add work place with PC)  

And all the SAFETY Regulation papers should be prepared.

Important!!! Everything is temporary:

 There are daily changes in the setup at XT03 with scattering chamber and neutron TOF setup in the next week and when ISS chamber will be installed, the odds and ends near the wall and the corner will hopefully disappear, so we will have a better picture how much space in the end will be there.

I will visit ISOLDE in the beginning of June again to see the progress.

Forgot to ask:

Any special placement for water cooling or can we still use shortest possible distance to chamber?

I asked IT about putting the elog name into the email subject line (useful for those of us subscribed to more than one elog).  They said they enabled it for ISOLDE.  Let's test 
to see!

Another test (June 1st)

status of the setup - 07/04/2017

status of the setup - 21/04/2017

1) DAQ

We have 192 channels to DAQ working. Mirco will test the silicon detectors with an alpha source in the next 2 weeks. 

2) Vacuum

In the moment we reach 6E-6. There are still 2 tiny leaks. There will be an extra turbo for the upstream beam line which should improve the vacuum for ISOLDE purposes. 
We need to check how fast we can pump down as might need to open the chamber between tuning and beam time (detectors need to be protected from tune beam).

3) Alignment

Alignment of the sample positions can be done here (Mirco/Peter). Claudia will contact Karl about a survey team for alignment at ISOLDE. Then we can talk to them directly.

4) Shipping

We aim to ship the setup to CERN by the end of March. We will try to go over to CERN for initial setup middle of April (to be confirmed with Karl)

5) Equipment needed from CERN

Claudia will ask Karl about availability of a CAMAC crate and 2 NIM bins. 

6) Safety

Peter will order safety boots and hard hats. 
Those who do not have ISOLDE access need to attend the ISOLDE radiation protection course. 

7) Availability for Preparations

Tom not here: 25 March - 3 April, 25 April - middle June
Daid not here: until middle June ?

8) Samples CH2, CD2

Paul has new batch and should send alpha spectra soon.

------17.2.17 ------------------------------------------------------

closing chamber 
use Leak testing pump
16.50 p = 0.6 mbar --> starting Turbo pump

18.25 Turbo @ 30kRPM, 33W
      Pressure 7.0E-04mbar, backing pressure (leak tester) 0.1mbar
      

------18.2.17 ------------------------------------------------------

12.30 Turbo @ 42kRPM, 25W
      Pressure 6.0E-05mbar, backing pressure (leak tester) 0.1mbar
      FL601 started , temperature 25.8 deg C, set point -5.0 deg C

16.10 Turbo @ 42kRPM, 18W
      Pressure 1.8E-05mbar, backing pressure (leak tester) 9.3E-2mbar
      FL601 set point -5.0 deg C, actual -1.6 deg C

19.2.17

12.20 Turbo @ 42kRPM, 15W
      Pressure 1.5E-05mbar, backing pressure (leak tester) 9.3E-2mbar
      FL601 set point -5.0 deg C, actual -2.0 deg C

------20.2.17 -------------------------------------------------------

14.30 Turbo @ 42kRPM, 14W
      Pressure 1.2E-05mbar, backing pressure (leak tester) 9.2E-2mbar
      FL601 set point -5.0 deg C, actual -2.3 deg C

21.2.17 

10.10 Turbo @ 42kRPM, 14W
      Pressure 1.1E-05mbar, backing pressure (leak tester) 9.2E-2mbar
      FL601 set point -5.0 deg C, actual -2.5 deg C

16.30 Turbo @ 42kRPM, 13W
      Pressure 1.0E-05mbar, backing pressure (leak tester) 9.2E-2mbar
      FL601 set point -5.0 deg C, actual -2.4 deg C

-----22.2.17 -------------------------------------------------------

11.00 Turbo @ 42kRPM, 13W
      Pressure 1.0E-05mbar, backing pressure (leak tester) 9.2E-2mbar
      FL601 set point -5.0 deg C, actual -2.4 deg C

11.02 +/-15V preamp power ON

11.06 Pressure 1.2E-05mbar, FL601 actual temp -1.8 deg C

11.12 Pressure 1.3E-05mbar, FL601 actual temp -1.4 deg C

14.01 Pressure 1.5E-05mbar, FL601 actual temp -1.0 deg C

14.02 +/-15V preamp power OFF

14.15 Pressure 1.1E-05mbar, FL601 actual temp -1.9 deg C

15.27 Pressure 1.0E-05mbar, FL601 actual temp -2.0 deg C

------23.2.17 -----------------------------------------------------

14.40 Pressure 8.6E-06mbar, FL601 actual temp -2.4 deg C

17.10 Pressure 8.1E-06mbar, FL601 actual temp -2.5 deg C

------24.2.17 -----------------------------------------------------

13.08 Turbo @ 42kRPM, 13W
      Pressure 7.0E-06mbar, backing pressure (leak tester) 9.1E-2mbar, leak rate 3.3E-10 mbar.l/s
      FL601 set point -5.0 deg C, actual -2.2 deg C

14.30 Pressure 6.8E-06mbar, FL601 actual temp -2.5 deg C
      +/-15V preamp power ON

14.49 Pressure 9.9E-06mbar, FL601 actual temp -1.0 deg C

17.44 Pressure 1.1E-05mbar, FL601 actual temp -1.0 deg C

19.00 Pressure 1.1E-05mbar, FL601 actual temp -1.0 deg C
      +/-15V preamp power OFF

------26.2.17 ---------------------------------------------------

11.44 Turbo @ 42kRPM, 13W
      Pressure 7.5E-06mbar, backing pressure (leak tester) 9.1E-2mbar, leak rate 1.8E-10 mbar.l/s
      FL601 set point -5.0 deg C, actual -2.0 deg C
      +/-15V preamp power ON

14.02 Pressure 1.2E-05mbar, FL601 actual temp -0.9 deg C


18.19 +/-15V preamp power OFF
      Pressure 1.2E-05mbar, FL601 actual temp -0.9 deg C

------27.2.17 ---------------------------------------------------

11.44 Turbo @ 42kRPM, 13W, 0.7A, 33 degree
      Pressure 6.8E-06mbar, backing pressure (leak tester) 9.1E-2mbar, leak rate 1.3E-10 mbar.l/s
      FL601 set point -5.0 deg C, actual -2.4 deg C

13.15 pressure 6.7E-06mbar;

Turn off Turbo pump and open chamber!
##################################################################
##################################################################


------2.3.17------------------------------------------------------

using leak testing pump as backing/pre pump (start it with open valve --otherwise there will be alarm signal of leak
rate changing dramatically)
showing some time scales for pumping (p_back is the pressure measured in backing pump and p_TC2 is the second gauge
plugged and measured inside the chamber 

16.03 p_back = 39mbar;   p_TC2 = 1.0E+03mbar
16.29 p_back = 1.3mbar;  p_TC2 = 8.4E+02mbar
16.45 p_back = 0.8mbar;  p_TC2 = 6.7E+02mbar
16.59 p_back = 0.6mbar;  p_TC2 = 4.1E+02mbar

18.26 p_back = 0.2mbar;  p_TC2 = 4.0E+00mbar
     --> starting Turbopump (accelerating up with safety check step in between)
18.30 p_back = 0.3mbar;  p_TC2 = 3.5E+00mbar
      (release more gas from the chamber into pipe by TP)
18.34 Turbo @  I=1.8A,   P=28W,         7 kRPM,   27 deg C
      p_TC2 = 1.9E+00mbar 
18.38 Turbo @  I=6.0A,   upto P=90W,   10 kRPM,   29 deg C
18.42 Turbo @  I=2.5A,   P=38W,        11 kRPM,   29 deg C
      p_TC2 =  5.5E-01mbar
18.55 Turbo @  I=1.1A,   P=17W,        15 kRPM,   31 deg C
      p_TC2 =  4.1E-02mbar
18.59 Turbo @  I=4.5A,   P=82W,        19 kRPM,   31 deg C
      p_TC2 =  2.3E-02mbar


------3.3.17-------------------------------------------------------

11.05 Turbo @ 42kRPM, 13W
      Pressure 5.5E-05mbar, FL601 ON
      FL601 set point -5.0 deg C, actual +24 deg C


      +/-15V preamp power ON

14.15 Turbo @ 42kRPM, 0.7A, 14W, 33 deg C
      Pressure 1.2E-05mbar, backing pressure (leak tester) 9.2E-2mbar, leak rate between 2E-12 and 1.4E-11 mbar.l/s
      FL601 set point -5.0 deg C, actual -1.4 deg C

14.30 Adding insulation to water pipe and try to deflect hot air from chiller away from cold pipes

14.40 - 15.40:     +/-15V preamp power ON

15.00 Turbo @ 42kRPM, 0.8A, 16W, 33 deg C
      Pressure 1.8E-05mbar
      FL601 set point -5.0 deg C, actual -0.7 deg C

15.40 Turbo @ 42kRPM, 0.8A, 17W, 33 deg C
      Pressure 2.1E-05mbar
      FL601 set point -5.0 deg C, actual -0.6 deg C

16.10 Turbo @ 42kRPM, 0.7A, 14W, 33 deg C
      Pressure 1.2E-05mbar
      FL601 set point -5.0 deg C, actual -1.6 deg C

17.30 Turbo @ 42kRPM, 0.7A, 14W, 33 deg C
      Pressure 1.1E-05mbar
      FL601 set point -5.0 deg C, actual -1.7 deg C


------06.03.17 ----------------------------------------------

power fluctuations turned off the chiller

13.42 Turbo @ 42kRPM, 1.0A, 19W, 33 deg C
      Pressure 2.2E-05mbar
      FL601 off.
      Turn on FL601, which went from -5.0 up to actual +0.1 deg C and started cooling again.

visible impact on the pressure:

13.46 Turbo @ 42kRPM, 1.0A, 18W, 33 deg C
      Pressure 1.1E-05mbar
      FL601 set point -5.0 deg C, actual -0.1 deg C

14.04 Turbo @ 42kRPM, 0.7A, 14W, 33 deg C
      Pressure 8.7E-06mbar
      FL601 set point -5.0 deg C, actual -1.6 deg C

14.26 Turbo @ 42kRPM, 0.7A, 13W, 33 deg C
      Pressure 8.2E-06mbar
      FL601 set point -5.0 deg C, actual -2.0 deg C

Adding alcohol and water to cooling reservoir up to limit (full reservior), temperature went up due to room
temperature of added liquids

14.44 temp -0.6 deg C
14.49 temp -2.7 deg C
14.52 temp -3.6 deg C
added more alcohol! (one small bottle and a bit of the rest in IPA bottle)

15.00 temp -3.8 deg C

15.01 Turbo @ 42kRPM, 0.7A, 13W, 33 deg C
      Pressure 7.9E-06mbar
      FL601 set point -5.0 deg C, actual -4.1 deg C

15.12 Turbo @ 42kRPM, 0.7A, 13W, 33 deg C
      Pressure 7.4E-06mbar
      FL601 set point -5.0 deg C, actual -5.3 deg C

15.14 set point to -10.0 deg C

15.22 Turbo @ 42kRPM, 0.7A, 13W, 33 deg C
      Pressure 7.3E-06mbar
      FL601 set point -10.0 deg C, actual -6.3 deg C

16.03 Turbo @ 42kRPM, 0.6A, 12W, 33 deg C
      Pressure 6.9E-06mbar, p_back = 9.1E-02mbar, leak rate 6.2E-11 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.9 deg C

17.00 Turbo @ 42kRPM, 0.6A, 12W, 33 deg C
      Pressure 6.7E-06mbar
      FL601 set point -15.0 deg C, actual -10.3 deg C

17.38 Turbo @ 42kRPM, 0.6A, 12W, 33 deg C
      Pressure 6.7E-06mbar, p_back = 9.1E-02mbar
      FL601 set point -15.0 deg C, actual -10.2 deg C
    --> reach minimum temp due to not enough alcohol --> set point to -10.0 deg C

17.41 Turn +/-15V preamp power ON

  17.46 Turbo @ 42kRPM, 0.6A, 12W, 32 deg C
      Pressure 7.2E-06mbar, p_back = 9.1E-02mbar, leak rate 8.3E-11 mbar *l/s
      FL601 set point -10.0 deg C, actual -8.6 deg C

  18.17 Turbo @ 42kRPM, 0.7A, 14W, 32 deg C
      Pressure 1.0E-05mbar, p_back = 9.2E-02mbar, leak rate 2.3E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -8.0 deg C

  18.44 Turbo @ 42kRPM, 0.8A, 15W, 33 deg C
      Pressure 1.1E-05mbar, p_back = 9.2E-02mbar, leak rate 2.4E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.7 deg C

18.45 Turn +/-15V preamp power OFF

19.35 Turbo @ 42kRPM, 0.6A, 12W, 33 deg C
      Pressure 7.1E-06mbar, p_back = 9.1E-02mbar, leak rate 1.7E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.8 deg C

------07.03.17 ----------------------------------------------

12.13 Turbo @ 42kRPM, 0.7A, 12W, 32 deg C
      Pressure 6.5E-06mbar, p_back = 9.1E-02mbar, leak rate 1.2E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.0 deg C

12.15 Turn +/-15V preamp power ON

  12.31 Turbo @ 42kRPM, 0.7A, 14W, 32 deg C
      Pressure 8.6E-06mbar, p_back = 9.1E-02mbar, leak rate 1.3E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -8.6 deg C

  13.22 Turbo @ 42kRPM, 0.8A, 15W, 32 deg C
      Pressure 1.0E-05mbar, p_back = 9.2E-02mbar, leak rate 1.8E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -6.8 deg C

  13.41 Turbo @ 42kRPM, 0.8A, 15W, 32 deg C
      Pressure 1.0E-05mbar, p_back = 9.2E-02mbar, leak rate 1.9E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -6.9 deg C

  14.35 Turbo @ 42kRPM, 0.8A, 15W, 33 deg C
      Pressure 1.0E-05mbar, p_back = 9.2E-02mbar, leak rate 1.7E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.3 deg C

  15.24 Turbo @ 42kRPM, 0.8A, 14W, 33 deg C
      Pressure 1.0E-05mbar, p_back = 9.2E-02mbar, leak rate 1.8E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.3 deg C

  16.05 Turbo @ 42kRPM, 0.8A, 14W, 33 deg C
      Pressure 1.0E-05mbar, p_back = 9.2E-02mbar, leak rate 1.8E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.4 deg C

  17.56 Turbo @ 42kRPM, 0.8A, 14W, 33 deg C
      Pressure 1.0E-05mbar, p_back = 9.2E-02mbar, leak rate 1.7E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.6 deg C

18.14 Turn +/-15V preamp power OFF

18.18 Turbo @ 42kRPM, 0.7A, 14W, 33 deg C
      Pressure 9.1E-06mbar, p_back = 9.2E-02mbar, leak rate 1.6E-10 mbar *l/s 
      (decreased after a big outgasing (E-09) just shortly after turning preamp power) 
      FL601 set point -10.0 deg C, actual -7.5 deg C

------08.03.17 --------------------------------------------------------------

12.00 Turbo @ 42kRPM, 1.0A, 18W, 34 deg C
      Pressure 6.2E-06mbar, p_back = 9.1E-02mbar, leak rate 7.9E-11 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.7 deg C

      Power on Turbo pump higher than usual, although pressure is at its lowest since.
      Checked cycle time = 8261 min = 137.68 hours = 5.74 days
              pump life  = 31107 h

Release a bit of coolant to check the concentration in chemistry lab:
density of mixture = 0.965 g/cm3 at temperature of 19.3 degree

concentration of alcohol: x = (density_mixture - density_water)/(density_ethanol - density_water)
                            = (0.965 - 0.998)/(0.79 - 0.998) 
                            = 0.159
around 16% alcohol --> freezing temp should be around -7 to -8 degree C 

13.46 Turbo @ 42kRPM, 1.0A, 18W, 35 deg C
      Pressure 6.1E-06mbar, p_back = 9.1E-02mbar, leak rate 8.6E-11 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.2 deg C

15.30 Turbo @ 42kRPM, 0.8A, 15W, 35 deg C
      Pressure 6.1E-06mbar, p_back = 9.1E-02mbar, leak rate 9.3E-11 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.6 deg C

15.37 Turn +/-15V preamp power ON

  16.38 Turbo @ 42kRPM, 0.8A, 17W, 35 deg C
      Pressure 9.4E-06mbar, p_back = 9.1E-02mbar, leak rate 1.5E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.0 deg C

16.39 Turn +/-15V preamp power OFF

------09.03.17 --------------------------------------------------------------

11.21 Turbo @ 42kRPM, 0.7A, 15W, 35 deg C
      Pressure 6.1E-06mbar, p_back = 9.1E-02mbar, leak rate 8.6E-11 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.6 deg C (fluctuations between -10.0 and -9.3 degree C)

11.22 Turn +/-15V preamp power ON

  14.18 Turbo @ 42kRPM, 0.8A, 17W, 35 deg C
      Pressure 9.3E-06mbar, p_back = 9.1E-02mbar, leak rate 1.7E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.4 deg C

  14.39 Turbo @ 42kRPM, 0.9A, 17W, 35 deg C
      Pressure 9.4E-06mbar, p_back = 9.1E-02mbar, leak rate 1.6E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.4 deg C

14.40 Turn +/-15V preamp power OFF

14.50 Turbo @ 42kRPM, 0.8A, 16W, 35 deg C
      Pressure 7.4E-06mbar, p_back = 9.1E-02mbar, leak rate 1.2E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -8.3 deg C

15.00 Turbo @ 42kRPM, 0.8A, 16W, 35 deg C
      Pressure 6.9E-06mbar, p_back = 9.1E-02mbar, leak rate 1.3E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.2 deg C

17.14 Turbo @ 42kRPM, 0.8A, 15W, 35 deg C
      Pressure 6.1E-06mbar, p_back = 9.1E-02mbar, leak rate 9.9E-11 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.0 deg C

17.58 Turbo @ 42kRPM, 0.8A, 15W, 34 deg C
      Pressure 6.0E-06mbar, p_back = 9.1E-02mbar, leak rate 4.2E-10 mbar *l/s (did some Helium leak checking)
      FL601 set point -10.0 deg C, actual -9.9 deg C

------10.03.17 --------------------------------------------------------------

10.55 Turbo @ 42kRPM, 0.8A, 15W, 35 deg C
      Pressure 6.0E-06mbar, p_back = 9.1E-02mbar, leak rate 1.0E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.2 deg C

12.01 Turbo @ 42kRPM, 0.7A, 15W, 35 deg C
      Pressure 5.9E-06mbar, p_back = 9.1E-02mbar, leak rate 1.1E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.0 deg C

12.07 leak rate dropped to 3.0E-12 just occasionly

13.07 Turbo @ 42kRPM, 0.7A, 15W, 34 deg C
      Pressure 5.8E-06mbar, p_back = 9.1E-02mbar, leak rate 3.5E-10 mbar *l/s (after leak check - suspious about UP
and DOWN ribbon cable flanges)
      FL601 set point -10.0 deg C, actual -10.1 deg C

13.07 Turn +/-15V preamp power ON

  14.56 Turbo @ 42kRPM, 0.8A, 17W, 34 deg C
      Pressure 9.0E-06mbar, p_back = 9.1E-02mbar, leak rate 6.3E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.2 deg C

14.56 Turn +/-15V preamp power OFF

17.10 Turbo @ 42kRPM, 0.8A, 15W, 34 deg C
      Pressure 5.9E-06mbar, p_back = 9.1E-02mbar, leak rate 2.9E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.1 deg C

17.40 Turbo @ 42kRPM, 0.8A, 15W, 34 deg C
      Pressure 5.7E-06mbar, p_back = 9.1E-02mbar, leak rate 7.4.9E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.2 deg C

------13/03/17 ---------------------------------------------------------------

11.40 Turbo @ 42kRPM, 0.8A, 15W, 34 deg C
      Pressure 6.3E-06mbar, p_back = 9.1E-02mbar, leak rate 9.4E-11 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.1 deg C
      --> pressure went up over the weekend??????????????? (Room temperature can be the reason)

15.53 Turbo @ 42kRPM, 0.8A, 15W, 34 deg C
      Pressure 6.1E-06mbar, p_back = 9.1E-02mbar, leak rate 1.5E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.1 deg C



------14/03/17 ---------------------------------------------------------------

09.38 Turbo @ 42kRPM, 0.7A, 15W, 35 deg C
      Pressure 6.3E-06mbar, p_back = 9.1E-02mbar, leak rate 1.1E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.9 deg C

09.39 Turn +/-15V preamp power ON

  11.14 Turbo @ 42kRPM, 0.8A, 17W, 35 deg C
      Pressure 8.9E-06mbar, p_back = 9.1E-02mbar, leak rate 1.8E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -7.1 deg C

  11.30 Turbo @ 42kRPM, 0.8A, 17W, 35 deg C
      Pressure 8.7E-06mbar, p_back = 9.1E-02mbar, leak rate 1.8E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -6.8 deg C

11.30 Turn +/-15V preamp power OFF

Adding same silicone vacuum leak sealant (Aerosol) to the Upstream cable connections (suspious leak)

13.30 Turbo @ 42kRPM, 0.8A, 15W, 34 deg C
      Pressure 6.2E-06mbar, p_back = 9.1E-02mbar, leak rate 1.0E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.8 deg C



------15/03/17 ---------------------------------------------------------------

10.50 Turbo @ 42kRPM, 0.7A, 15W, 35 deg C
      Pressure 6.2E-06mbar, p_back = 9.1E-02mbar, leak rate 1.2E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.0 deg C
      Fluke Thermometer(thermocoupling to preamp board) = 0.3 deg C

13.30 Turbo @ 42kRPM, 0.8A, 15W, 35 deg C
      Pressure 5.9E-06mbar, p_back = 9.1E-02mbar, leak rate 9.9E-11 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.1 deg C

 13.48 Leak test of lower 2/3 of BNC connections, when leak risen slowly from 2E-10 to 3E-09 in like 10minutes.
        At same time p(TC1) raised for some second up to 9E-06mbar, which could indicate a huge outgasing) 

 14.04 Turbo @ 42kRPM, 0.7A, 15W, 35 deg C
      Pressure 6.0E-06mbar, p_back = 9.1E-02mbar, leak rate 3.4E-09 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.7 deg C

16.36 Turbo @ 42kRPM, 0.7A, 15W, 34 deg C
      Pressure 5.9E-06mbar, p_back = 9.1E-02mbar, leak rate 5.9E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -9.9 deg C



------16/03/17 ---------------------------------------------------------------

11.49 Turbo @ 42kRPM, 0.8A, 15W, 34 deg C
      Pressure 6.1E-06mbar, p_back = 9.1E-02mbar, leak rate 1.8E-10 mbar *l/s
      FL601 set point -10.0 deg C, actual -10.1 deg C

13.11 Turbo @ 42kRPM, 0.8A, 15W, 34 deg C
      Pressure 6.0E-06mbar, p_back = 9.1E-02mbar, leak rate 1.4E-08 mbar *l/s (leak test Toby - found bad o-ring
connection back side downstream end)
      FL601 set point -10.0 deg C, actual -9.7 deg C

----- Switched off TP 15.34 (peter changed Fan of TP controller, new Targetholder did not fit perfectly, so still with
old one, investigation on o-ring leak --> maybe small dust particle)
15.53 chamber close, Roughing pump with bigger pipe ON, 16.02 Turn on TP (Soft start)

16.30 Pressure 1.1E-03mbar (Turbo @ 15kRPM, 0.6A, 10W, 34 deg C)
16.55 Pressure 5.2E-04mbar (Turbo @ 27kRPM, 0.6A, 17W, 35 deg C)
17.32 Pressure 2.8E-04mbar (Turbo @ 42kRPM, 0.6A, 27W, 37 deg C)
18.21 Pressure 2.2E-04mbar (Turbo @ 42kRPM, 0.6A, 20W, 38 deg C)

18.23 pressure = 2.E-04 --> start FL601set point -10.0 deg C, actual -6.5 went up to - 1.5 deg C (start equilibrium)

18.27 Pressure 1.6E-04mbar (Turbo @ 42kRPM, 0.9A, 19W, 38 deg C)
      FL601 set point -10.0 deg C, actual -2.2 deg C

18.40 Pressure 1.3E-04mbar (Turbo @ 42kRPM, 0.9A, 19W, 39 deg C)
      FL601 set point -10.0 deg C, actual -5.5 deg C
      (temperature of TP could have indicated a leak...)


------17/03/17 Friday---------------------------------------------------------------

09.37 Pressure 1.2E-04mbar (Turbo @ 42kRPM, 0.9A, 15W, 40 deg C)
      FL601 set point -10.0 deg C, actual -9.6 deg C
LEAK? (screws on targetholder were not secured enough)

09.43 Pressure 5.4E-05mbar (Turbo @ 42kRPM, 0.6A, 13W, 40 deg C)
      FL601 set point -10.0 deg C, actual -9.6 deg C

10.40 Pressure 5.5E-05mbar (Turbo @ 42kRPM, 0.7A, 13W, 40 deg C)
      FL601 set point -10.0 deg C, actual -9.7 deg C
      Helium test: o-ring (downstream end) front top part 10^-9 to 10^-5 (big leak --> no pressure improvement)

11.06 Turn off FL601
14.35 Turn off TP
###################################################################################
OPEN CHAMBER: Removed pre amp board U1-U4.
over weekend close chamber with roughing pump (~5.0E-01mbar)

------20/03/17 Monday---------------------------------------------------------------

CHANGED/SWITCHED UP and DOWN board inside the chamber.

New UP (1-8) and new DOWN (5-8)

Distance measurements: 




------17/03/17 Friday---------------------------------------------------------------

09.37 Pressure 1.2E-04mbar (Turbo @ 42kRPM, 0.9A, 15W, 40 deg C)
      FL601 set point -10.0 deg C, actual -9.6 deg C
LEAK? (screws on targetholder were not secured enough)

09.43 Pressure 5.4E-05mbar (Turbo @ 42kRPM, 0.6A, 13W, 40 deg C)
      FL601 set point -10.0 deg C, actual -9.6 deg C

10.40 Pressure 5.5E-05mbar (Turbo @ 42kRPM, 0.7A, 13W, 40 deg C)
      FL601 set point -10.0 deg C, actual -9.7 deg C
      Helium test: o-ring (downstream end) front top part 10^-9 to 10^-5 (big leak --> no pressure improvement)

11.06 Turn off FL601
14.35 Turn off TP
###################################################################################
OPEN CHAMBER: Removed pre amp board U1-U4.
over weekend close chamber with roughing pump (~5.0E-01mbar)

------20/03/17 Monday---------------------------------------------------------------

CHANGED/SWITCHED UP and DOWN board inside the chamber.

New UP (1-8) and new DOWN (5-8)

Distance measurements: 

New UPstream: (metal frame stand off = 10mm)
   Position (to end of chamber): 738 - 40 (pos from target) - 32 (plastic standoff) + 10 = 676 (to end of board)

Orientation:

      4
       3 

 6          2
  5        1

       7
       8


New DOWNstream: (metal frame stand off = 20mm) 
   Position (to end of chamber): 738 - 400 (pos from target) - 14 (plastic standoff) + 20 = 344 (to end of board)


Orientation:

      
       

 6    
  5        

       7
       8


***note: 24/03/17: took short standoff for UPstream hold (only ~40mm to targetholder)
                   remeasured short standoffs: 12.5mm


Checked: Cooling (changed circle with one preamp board less), cabling (preamp power signal), 
position, cleaning, test preamp
CABLING changed 16-x19 to D5-8

14.30 close chamber, start roughing pump
15.24 p(TC2) = 4.4E-01 mbar  --> soft start big Turbo Pump
15.39 p = 1.6 E-03mbar (0.7A, 11W, 11kRPM, 27 deg C) 
16.11 p = 5.9 E-04mbar (0.6A, 14W, 23kRPM, 29 deg C)
16.33 p = 3.4 E-04mbar (1.3A, 38W, 34kRPM, 31 deg C)
17.41 p = 1.7 E-04mbar (0.9A, 18W, 42kRPM, 35 deg C)

Turn on FL601 cooling, set point to -5.0 deg C, actual temp starts at 22 deg C

19.12 Pressure 5.9E-05mbar (Turbo @ 42kRPM, 0.6A, 10W, 35 deg C)
      FL601 set point -5.0 deg C, actual -4.6 deg C
   --> changed set point to -10.0 deg C

------21/03/17 Tuesday---------------------------------------------------------------

10.52 p = 1.9 E-05 mbar 
     --> switch on small Turbo pump (TP2)

11.05 Pressure 1.3E-05mbar (Turbo @ 42kRPM, 0.5A, 10W, 35 deg C;  TP2 @ 75kRPM, 0.25A, 13W, 32 deg C)
      FL601 set point -10.0 deg C, actual -5.5 deg C
   --> Turn ±15V preamp power ON
Testing DAQ

11.45 Pressure 2.0E-05mbar (Turbo @ 42kRPM, 0.5A, 10W, 35 deg C;  TP2 @ 75kRPM, 0.26A, 13W, 39 deg C)
      FL601 set point -10.0 deg C, actual -3.9 deg C

12.17 Turn ±15V preamp power OFF 
      Pressure 1.9E-05mbar (Turbo @ 42kRPM, 0.5A, 10W, 35 deg C;  TP2 @ 75kRPM, 0.26A, 13W, 43 deg C)
      FL601 set point -10.0 deg C, actual -4.0 deg C

14.18 Pressure 1.2E-05mbar (Turbo @ 42kRPM, 0.5A, 10W, 35 deg C;  TP2 @ 75kRPM, 0.25A, 13W, 45 deg C)
      FL601 set point -10.0 deg C, actual -5.6 deg C

added some alcohol(mixing takes a short heat up), switch to helium leak tester (DONT MOVE WHILE IT IS ON)
added FAN for small Turbopump

15.40 Pressure 1.1E-05mbar (Turbo @ 42kRPM, 0.5A, 9W, 35 deg C;  TP2 @ 75kRPM, 0.24A, 12W, 33 deg C)
      FL601 set point -10.0 deg C, actual -6.0 deg C

17.05 Pressure 1.0E-05mbar (Turbo @ 42kRPM, 0.5A, 9W, 34 deg C;  TP2 @ 75kRPM, 0.24A, 12W, 34 deg C)
      FL601 set point -10.0 deg C, actual -7.6 deg C

17.05 Turn ±15V preamp power ON

   18.51 Pressure 1.6E-05mbar (Turbo @ 42kRPM, 0.5A, 9W, 34 deg C;  TP2 @ 75kRPM, 0.24A, 12W, 34 deg C)
      FL601 set point -10.0 deg C, actual -5.3 deg C

18.51 Turn ±15V preamp power OFF


------22/03/17 Wednesday---------------------------------------------------------------

10.55 Pressure 7.9E-06mbar (Turbo @ 42kRPM, 0.5A, 8W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 33 deg C)
      p_back = 9.2E-02mbar, leak rate 10E-11 - 10E-12 mbar*l/s
      FL601 set point -10.0 deg C, actual -7.7 deg C

14.05 pressure 7.7E-06mbar

OPEN CHAMBER FOR ALIGNMENT

------23/03/17 Thursday---------------------------------------------------------------

Si-Detectors: measures- DeltaE-E (65µm - 1000µm) and Downstream E (74µm) 
HANDLE WITH CARE, NO TENSION --> THIN LAYERS. 

Voltage supply: 24V for 74µm. BIAS cable is 4th row and 2nd place

Cabled to U1-4. DONT FLAT THE CHAMBER WITH LOTS OF AIR, use valve at TP.



------24/03/17 Friday---------------------------------------------------------------

Testing Preamps (with Si-"capacitor" - no BIAS) under atmosphere with 5 deg C cooling
Normal resolution with pulser and without Si-Detector = 2-3 channel

Without BIAS:
#1 adc 0-13: FWHM ~10ch
#1 adc 14,15: Broken
#1 adc 16-31: FWHM ~7ch

#2 adc 0-6: FWHM ~27ch
#2 adc 7,8: FWHM ~5-6ch only
#2 adc 9-14: FWHM ~30ch (2peaks each; low peak coming from wrong pulser signal.)
#2 adc 13: FWHM ~90ch
#2 adc 15: FWHM ~27ch

#2 adc 16-31: 8-10ch
except from #2 adc 22,28: ~27ch

Quad BIAS Supply:
0V - 0.20µA
5V - 0.82µA
10V - 0.95µA
15V - 1.07µA
20V - 1.17µA
24V - 1.25µA

With BIAS:
#1 adc 0-31(14,15 broken): FWHM 4-6ch

#2 adc 0-15: FWHM ~ 7ch
except from #2 adc 3,4,7,8,12 with lower tail: FWHM ~7-10ch

#2 adc 16-31: FWHM ~4-6ch
except 22,38: FWHM ~10ch
except 13: FWHM ~25ch


Targetholder (alignment) marker on scale

pos-1:  34.54  (bottom on ladder)

pos-2:  94.05  (middle)

pos-3:  bottom.8 (almost maximum, top on ladder)


New run with alpha source P32 R9344 mixed (only Gold sealing --> wear Cloves)
 (Pu-239,   - 5.155MeV 
  Am-241,   - 5.486MeV
  Cm-244,   - 5.805MeV)

17.15 Close Chamber, roughing pump

17.28 p = 9.9E-01mbar   --> Start TP (big)
17.48 p = 2.0E-03mbar (TP @ 11kRPM, 0.7A, 12W, 28 deg C


------25/03/17 Saturday---------------------------------------------------------------

15.00 Pressure 4.6E-05mbar (Turbo @ 42kRPM, 0.6A, 11W, 34 deg C)
      --> start small TP2 and open valve (quick soft start in 1 minute) - TP2 @ 75kRPM, 0.24A, 12W, 26 deg C)
      start FL601 set point -10.0 deg C, actual 20.7 deg C

15.05 p = 3.8E-05 mbar
15.07 p = 3.4E-05 mbar



------27/03/17 Monday---------------------------------------------------------------

12.17 Pressure 6.2E-06mbar (Turbo @ 42kRPM, 0.8A, 14W, 36 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -8.4 deg C

12.21 Turn ±15V preamp power ON

   14.05 Pressure 8.7E-06mbar (Turbo @ 42kRPM, 0.8A, 13W, 36 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -5.0 deg C

   14.43 Pressure 8.7E-06mbar (Turbo @ 42kRPM, 0.8A, 13W, 36 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -5.1 deg C

14.44 Turn ±15V preamp power OFF

16.25 Pressure 6.1E-06mbar (outgazing still ongoing, saw peak up to 2.3E-05mbar at a glimpse)
      (Turbo @ 42kRPM, 0.8A, 13W, 36 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -7.3 deg C

------28/03/17 Tuesday---------------------------------------------------------------

13.06 Pressure 5.7E-06mbar (Turbo @ 42kRPM, 0.8A, 14W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -9.4 deg C

13.09 Turn ±15V preamp power ON

   16.15 Pressure 7.8E-06mbar (Turbo @ 42kRPM, 0.8A, 13W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -5.8 deg C

16.16 Turn ±15V preamp power OFF

18.36 Pressure 6.1E-06mbar (Turbo @ 42kRPM, 0.7A, 13W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -8.5 deg C


------29/03/17 Wednesday---------------------------------------------------------------

13.15 Pressure 5.9E-06mbar (Turbo @ 42kRPM, 0.7A, 13W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -9.5 deg C

13.25 Turn ±15V preamp power ON for alpha measurement

   14.30 Pressure 7.3E-06mbar (Turbo @ 42kRPM, 0.7A, 13W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -7.6 deg C

   15.41 Pressure 7.9E-06mbar (Turbo @ 42kRPM, 0.7A, 13W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -6.6 deg C

   16.31 Pressure 7.8E-06mbar (Turbo @ 42kRPM, 0.7A, 13W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -6.4 deg C
good vacuum condition of ~8E-06mbar with preamps on
16.31 Turn ±15V preamp power OFF
   
17.46 Pressure 6.1E-06mbar (Turbo @ 42kRPM, 0.7A, 12W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -8.7 deg C


------30/03/17 Thursday---------------------------------------------------------------

12.15 Pressure 6.3E-06mbar (Turbo @ 42kRPM, 0.7A, 13W, 35 deg C;  TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -9.8 deg C
      shut off TP + TP2 --> spinning down

13.05 p = 3.1E-05mbar, turn off FL601, bringing down to atmosphere takes about 30 minutes.

###########################
13.35 OPEN CHAMBER, longer cable done for detector, Peter add block (15.8mm) the target holder (due to pos 3)
      put stand off on DOWNstream

Test #3,#4 under atmosphere WITHOUT BIAS:
#3 adc 0 lower xmean ~ 1550, FWHM ~20ch
#19 low xmean ~450, FWHM ~3ch
rest of #3: xmean 2400-2600, FWHM ~10ch

#4 xmean more or less between 2000-3000, most ~2400.
#4 adc 4: double peak, FWHM > 30ch
#4 adc 0 - 15: FWHM ~ 30ch, except of
#4 adc 7: FWHM ~8ch.

#4 adc 16-31: FWHM ~12-13ch, right tail
except #4 adc 16: FWHM ~7ch
       #4 adc 18: FWHM 15ch
       #4 adc 25: FWHM ~20ch

BIAS up to 24 V  1.38µA leak current (while ramp <3µA)
alpha source inside chamber on new middle position: 94.05 -15.8 = 78.25
chamber close after 2h 

WITH BIAS: 
#3 0-31: 4-6ch FWHM
except #3 adc 1: ~10ch FWHM
       #3 adc 19: ~3ch FWHM (lower mean)
left tail: adc 0-23      and    right tail: adc 24-31

#4 adc 0-15: broader: adc 0-4: ~7ch FWHM
                      adc 5:   ~3ch FWHM
                      adc 6,13: 11ch FWHM
                      adc 7,15: ~5,6ch FWHM
                      adc 8-12,14: ~7,8ch FWHM

#4 adc 16-31: 5-8ch FWHM  right tail 

##############################################
################################closed chamber

16.10 Roughing pump slowly pump down (open value stepwise)
16.25 p = 1.1 mbar   --> start TP
16.30 p = 1.3E-01 mbar (TP @ 7kRPM, 1.0A, 15W, 28 deg C)
17.21 p = 7.8E-04 mbar (TP @ 27kRPM, 0.6A, 17W, 31 deg C)
18.08 p = 3.3E-04 mbar (TP @ 42kRPM, 1.1A, 22W, 34 deg C)
      --> start TP2 (1min) --> TP2 @ 75kRPM, 0.26A, 13W, 26 deg C)
18.12 p = 2.7E-04 mbar
18.16 start FL601 set to -10.0 deg C, starts at ~ +4.0 deg C
18.18 p = 2.0E-04 mbar
18.54 p = 8.8E-05 mbar (TP @ 42kRPM, 0.8A, 17W, 35 deg C; TP2 @ 75kRPM, 0.25A, 13W, 32 deg C)
      FL601 set point -10.0 deg C, actual -5.5 deg C


------31/03/17 Friday---------------------------------------------------------------

10.35 p = 1.5E-05mbar
12.15 p = 1.4E-05 mbar (TP @ 42kRPM, 0.6A, 12W, 35 deg C; TP2 @ 75kRPM, 0.22A, 11W, 32 deg C)
      FL601 set point -10.0 deg C, actual -6.2 deg C
12.30 Turn ±15V preamp power ON    (for Outgazing and alpha measurement)

   13.40 p = 2.2E-05 mbar;   leak rate: 1.6E-09 mbar l /S
   14.15 p = 2.1E-05 mbar;   T = -4.5 deg C

TURN BIAS on 24V, 1.16µA
14.17 DAQ started
#3 -19: low peak 181 with Amplitude of 478 (14.33), FWHM 4-5ch --> Area ~ 5500counts
rest #3 0-31: xmean ~ 1000, FWHM 8-12 ch

#4 adc 6 and 7: no signal
 --> adc 6 could be preamp problem
 --> adc 7 could be Si-Det issue, because it was observed with #2adc7 before
#4 adc 5: low xmean = 134, FWHM 2.5ch
rest of #4 adc 0-15: (14.40) ~500-800 Amplitude, xmean ~ 1000, FWHM ~12ch
#4 adc 16-31: A~200-250, xmean ~ 950-1050; FWHM ~7-8ch


   14.45 p = 2.1E-05 mbar;   Temp = -4.8 deg C;    leak rate: 8.0E-10 mbar l /S
14.46 Turn ±15V preamp power OFF, switch off Amps and BIAS

16.10 p = 1.3E-05 mbar;   T = -6.2 deg C

18.23 p = 1.2E-05 mbar;   T = -6.2 deg C


------
------03/04/17 Monday ------------------- Peter testing ----------------

15.49 p = 7.6E-06 mbar;

------04/04/17 Tuesday -------------------

14.05 p = 7.1E-06 mbar;

TP Off

------05/04/17 Wednesday -------------------
########################################
##### chamber open, alpha source out ###

10.25 chamber close, start pumping
12.10 large TP ON

13.55 p = 9.4E-05 mbar

15.30 p = 5.7E-05 mbar

------06/04/17 Thursday -------------------

09.50 p = 1.5E-05 mbar

15.30 p = 1.0E-05 mbar


------07/04/17 Friday -------------------

09.25 p = 9.1E-06 mbar (TP @ 42kRPM, 0.5A, 9W, 35 deg C; no TP2)
      FL601 set point -10.0 deg C, actual -9.7 deg C
09.25 Turn ±15V preamp power ON

   12.02 p = 1.2E-05 mbar
         T = -6.9 deg C
   Turn ±15V preamp power OFF

12.13 p = 1.0E-05 mbar
      T = -7.5 deg C

12.54 p = 9.0E-06 mbar
      T = -8.5 deg C

15.04 p = 9.0E-06 mbar
      T = -9.1 deg C

16.47 p = 8.6E-06 mbar
      T = -9.3 deg C

##########################
ACCIDENT Registered on Sunday 09/04/17 ~10 am:
Power went down due to wiring problem
Tom C. closed valves, but chamber was probably already vented to atmosphere. 
During power shut down roughing and turbo pump slowed down and turbo probably deaccelerate against atmosphere.
Possible back flows.


------11/04/17 Tuesday -----------------
OPEN CHAMBER 16.05: readjust Downstream plate to 326mm, cause we changed to longer stand-off
Downstream --> 74µm Si-Det
Upstream   --> 500µm Si-Det

Check DAQ/FWHM of spectra without BIAS on under atmosphere and only PULSER signal:


BIAS up (500µm):
Voltage[V]  Leak current[µA]
  0             0.14
  5             0.6
 10             0.73
 20             0.93
 30             1.11
 40             1.22
 50             1.27
 60             1.32
 70             1.34
 80             1.38
 90             1.42
100             1.44
110             1.48
120             1.49
130             1.52   --> 1.44 (after 5 min)


Check DAQ/FWHM of spectra with BIAS on under atmosphere and only PULSER signal:


CLOSING CHAMBER
18.03 Start roughing pump
18.06 p = 1.0E+03 mbar
18.11 p = 2.0E+01 mbar
18.14 p = 3.8E+00 mbar
18.16 p = 1.9E+00 mbar
18.19 p = 1.1E+00 mbar  --> start TP (and close valve at TP2)
18.22 p = 5.0E-01 mbar
18.25 p = 9.0E-02 mbar (took a while for next stage of acceleration... very slow start)
18.34 p = 2.6E-03 mbar
18.40 p = 2.2E-03 mbar
18.44 p = 1.6E-03 mbar
19.02 p = 1.0E-03 mbar
19.12 p = 8.2E-04 mbar
19.18 p = 7.6E-04 mbar
19.21 p = 7.0E-04 mbar
19.30 p = 5.7E-04 mbar
20.00 p = 3.7E-04 mbar (full speed at TP @ 42 kRPM)
20.04 TURN ON TP2
20.06 p = 3.0E-04 mbar
20.10 p = 2.9E-04 mbar (TP @ 42kRPM, 0.9A, 18W, 34 deg C; TP2 @ 75kRPM, 0.28A, 15W, 28 deg C)

------12/04/17 Wednesday -----------------

9.33  p = 6.1E-05 mbar
10.27 p = 5.9E-05 mbar
      Turn on FL601 chiller set to -5.0 deg C; T_start = 18.7 deg C
10.44 p = 2.9E-05 mbar; T = 4.8 deg C 
      stop chiller to remove 500ml of Coolant and replace it with ~375ml IPA
10.54 p = 2.7E-05 mbar; T = 3.4 deg C

11.08 p = 2.1E-05 mbar; T = -5.0 deg C   (set to -10.0 deg C)
11.15 Turn ±15V preamp power ON

  11.29 p = 2.4E-05 mbar; T = -5.8 deg C
  11.50 p = 2.5E-05 mbar; T = -5.1 deg C

BIAS up for UPSTREAM (500µm - 130 V) and DOWNSTREAM (74µm - 24 V)
11.51 DAQ started for testing Si-det with triple alpha source

  12.10 p = 2.4E-05 mbar; T = -5.1 deg C
  12.17 p = 2.5E-05 mbar; T = -5.2 deg C
  13.12 p = 2.3E-05 mbar; T = -5.2 deg C
  15.08 p = 2.1E-05 mbar; T = -5.1 deg C
  15.50 p = 2.0E-05 mbar; T = -5.1 deg C

15.58 DAQ stopped; ramp down BIAS, switch off amp+preamps
      Turn ±15V preamp power OFF

16.02 p = 2.0E-05 mbar; T = -5.2 deg C
16.35 p = 1.5E-05 mbar; T = -6.0 deg C
17.04 p = 1.5E-05 mbar; T = -6.0 deg C

17.05 Turn ±15V preamp power ON
  17.19 p = 1.7E-05 mbar; T = -1.4 deg C (set to -2.0)
17.19 Turn ±15V preamp power OFF

17.40 p = 1.5E-05 mbar; T = -5.7 deg C (after set to -10.0 deg C)
18.14 p = 1.4E-05 mbar; T = -5.8 deg C

------13/04/17 Thursday -----------------

11.37 p = 1.0E-05 mbar; T = -6.2 deg C
      Turn ±15V preamp power ON
  13.21 p = 1.4E-05 mbar; T = -4.5 deg C
      Turn ±15V preamp power OFF
add ~300ml IPA, set point to +5.0 deg C

13.44 p = 1.3E-05 mbar; T = 4.1 deg C
14.33 p = 1.4E-05 mbar; T = 5.0 deg C

14.38 FL601 turn OFF, peter test cooling pipes with Helium (~4bar He --> leak rate up to 10^{-6} or 10^{-5} mbar*l/s
Test chiller in close circle: 15.05  T = -8.3 deg C

open cooling pipe --> chamber without cooling:
14.50 p = 2.0E-05 mbar
15.05 p = 2.9E-05 mbar
15.35 p = 4.0E-05 mbar (leak rate 5 * 10^{-5} mbar*l/s)

15.50 reconnect cooling to chamber
15.55 p = 1.5E-05 mbar; T = -5.8 deg C;    leak rate 2.0E-05 mbar*l/s
16.55 p = 1.7E-05 mbar; Cooling was off by Daid to test temperature influence

17.00 p = 1.1E-05 mbar; T = -5.7 deg C (chiller back on)
17.50 p = 1.0E-05 mbar; T = -6.6 deg C
18.18 p = 1.0E-05 mbar; T = -6.8 deg C

------14/04/17 Friday -----------------

11.09 p = 8.5E-06 mbar; T = -7.1 deg C
11.15 Turn ±15V preamp power ON

  12.10 p = 1.2E-05 mbar; T = -5.2 deg C    switch to Helium leak pump: rate ~ 4.3E-09 mbar*l/s

  12.29 p = 1.1E-05 mbar; T = -5.2 deg C

  Turn ±15V preamp power OFF

14.20 p = 8.5E-06 mbar; T = -7.2 deg C

14.50 Turn ±15V preamp power ON

  15.05 p = 9.4E-06 mbar;  T = -6.6 deg C;  leak rate 5*10^{-09} mbar*l/s
  15.30 p = 1.0E-05 mbar;  T = -5.7 deg C;  leak rate 6.3*10^{-09} mbar*l/s
  15.50 p = 1.1E-05 mbar;  T = -5.6 deg C;  leak rate 7*10^{-09} mbar*l/s
  16.33 p = 1.1E-05 mbar;  T = -5.5 deg C;  leak rate 7.6*10^{-09} mbar*l/s