AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40
  CARME, Page 26 of 34  ELOG logo
IDdown Date Author Subject
  175   Wed Jan 26 19:16:18 2022 JM, OHWater cooling, FEE MAC address

Water cooling has been connected to the FEE's. Flow meter installed to outlet manifold by way of two right angled pieces. No leaks observed rom any points in the coolant loop, loop will be bled using taps tomorrow. Water turned OFF overnight. 

FEE's powered up with the MAC addresses of each read. 1 is the very bottom FEE and 8 the very top. FEE's have also labelled with the MAC addresses.  

1. 0xd8 0x80 0x39 0x42 0x0d 0x0c  

2. d8:80:39:41:d8:2b

3. d8:80:39:41:d0:05

4. 0xd8 0x80 0x39 0x41 0xd7 0xc2  (Now AIDA 5 see elog 185)

5. 0xd8 0x80 0x39 0x41 0xb4 0x0b (Now AIDA 4 see elog 185)

6. d8:80:39:41:d8:20

7. 0xd8 0x80 0x39 0x41 0xb4 0x16

8 .0xd8 0x80 0x39 0x41 0xd7 0xcd  

MACB firmware has been updated by Nic

One ion pump showed the warning 'arcing' (see attached photo) and was subsequently turned OFF. Most likely cause is the cable was moved during installlation of the flow meter as the pump showed no error this morning. The pump was turned back ON, no error observed -> cable not damaged but sensitive to movement.   

Attachment 1: 20220126_162435.jpg
20220126_162435.jpg
Attachment 2: 20220126_162448.jpg
20220126_162448.jpg
Attachment 3: 20220126-142809.jpg
20220126-142809.jpg
  174   Sat Jan 15 15:38:25 2022 JM, OH, TDFEE installation, cable management

All 8 FEEs have been installed in their holders.

The damaged feedthrough does not have the D-connector on the adaptor board inserted into the falnge but the FEE is connected to the adaptor board. 

FEE's were carefully installed, with one person inserting FEE and another making sure FEE was straight and on the correct pin positions. The spring lock on the bottom FEE's have been tightend and zip ties have been placed to make sure they are secured. 

Rack has been populated with cables from the rack to chamber laid out. Cables mostly go above the rack and hang off the large frame. This frame or the CARME frame takes most of the weight of the cables before they are plugged into the FEEs.   

Cables are numbered 1-8. Brown ethernet cables are numbered 1-4, green 5,6 and yellow 7,8. Numbers correspnd to Bottom FEE (1,2), Side bottom FEE (3,4), Side top FEE (5,6), Top FEE (7,8)

 

Attachment 1: 20220114_104819.jpg
20220114_104819.jpg
Attachment 2: 20220114_105152.jpg
20220114_105152.jpg
Attachment 3: 20220114_105213.jpg
20220114_105213.jpg
Attachment 4: 20220115_133808.jpg
20220115_133808.jpg
Attachment 5: 20220115_133820.jpg
20220115_133820.jpg
  173   Sat Jan 15 11:28:10 2022 JMInventory

 

Vaccum
DN250CF 1x gaskets     
DN200CF 5x gaskets  
DN160CF 1x gaskets, 2x blank flanges   
DN100CF 69x gaskets, 19x blank flanges, 14 double feedthroughs (1 damaged) 
DN63CF 3x gaskets, 2x blank flanges    
DN300CF 5x gaskets
DN350CF 0x gaskets
1X WIRE SEAL
DN35CF 3x gaskets, 13 blank flanges   
DN16CF 22x silver gaskets, 27x copper gaskets   

Swagelock
SS-QTM2-D-8M0 Male quick disconnect X18
SS-QTM2A-B-8M0 Female quick disconnect X21
SS-8M0-1-6RS Manifold adaptor X39
NY-8M3-1 Front ferrule X118
NY-8M4-1 Back ferrule X120
Stainless ferrules XMANY

FEE/FEE HOLDER PARTS
FEES x1
Fully assembled FEE holder (MINUS ADAPTOR BOARDS) x1
Cylindrical supports x32
Feedthrough mounts x12
Black adaptor board mounts x11
Spring loaded FEE lock x26
FEE holder side panels x5 pairs
Adaptor boards x2 (1 slightly bent pins)
FEE rail bolts x4
M3X16 281-013 x91
M3 locknuts 260-5815 x34
Springs 821-273 x40 
M4x25 (2mm too long) 281-057 x32
M6x20 281-120 x69
M3x6 280-981 x34
Assembled Hose 1.5M (Red) x8
Assembled Hose 1.5M (Blue) x8
Blue Hose ~16M
Red Hose ~10M

We require additional gaskets for those we are low on (<5) DN35,63,160,250,350 and more wire seals 

We should have enough swagelock and FEE holder parts to construct another 4 FEE holders for the remaining required for mounting all moving detector FEEs.

We also need fuses for the USB mains relay and power supply -> 2x 250v 10A, 16x 250v 1.6A. Dimensions for both are the same, length=20mm, Diameter=5mm (images attached)

Additional fittings provided by GSI for the manifold are in the swagelock box.

Attachment 1: 20220115_162649.jpg
20220115_162649.jpg
Attachment 2: 20220115_162712.jpg
20220115_162712.jpg
  172   Fri Jan 14 10:00:18 2022 TD, OH, JMFriday 14 January
11.00 Per https://elog.ph.ed.ac.uk/CARME/170 and https://elog.ph.ed.ac.uk/CARME/171 issues have been identified with the FEE64 carriers and adaptor PCBs

Some additional comments

1) Per https://elog.ph.ed.ac.uk/CARME/170 attachments 6-9 we can see that there are no cable strain reliefs to which we can attach the FEE64 power, RJ45 network and 
timestamp HDMI cabling. It would probably be straightforward to design something which could be attached to the FEE64 carrier side panels. For the time being we will use 
the copper piping of each FEE64 as the nearest, mechanically stable point to which we secure the cabling.

2) Before the skimming of 1x Delron rail yesterday there was a small amount (<1mm say?) of transverse movement of the FEE64 during insertion into the carrier and it is 
not clear why. Small sample of measurements of FEE64 carriers, spacers etc.

Delron adaptor PCB support widths 92.85, 92.87, 92.90
Al DN100CF flange attachment width 92.97, 92.99, 93.01
Al FEE64 carrier spacing rod 93.03, 93.04, 93.03
FEE64 width (w/ 1x c. 2mm skimmed Delron rail) 100.2, 100.2, 100.3 (3 measurements along the length of the 1x FEE64)
FEE64 carrier width 102.8, 103.0 (2 measurements of 1x FEE64 carrier)


probably indicates that the spacing between the FEE64 plates is consistent. There is some variability (~0.1mm) in the Delron adaptor PCB which could affect the relative 
position of the ERNI pins and sockets. Is there some variability in the width of the FEE64s (w/ rails)?
  171   Thu Jan 13 10:33:24 2022 JM, OH, TDAdaptor Board misallignment

The ERNI connector is not central on the adaptor boards causing misallignment with the FEE. 

The adaptor board is 80mm long. The ERNI connector is 50mm long. The connector is 13mm from the 2x Lemo side and 17mm from the 3x Lemo side. This results in misallignment between the FEE and adaptor board. 

To correct for misallignment, 2mm will be skimmed from one of the rails on the FEE. 

Skimming the rail allows the FEE to now be inserted straight into the adaptor board connector. Attached image shows test FEE holder on the bench. FEE needs to be carefully inserted to make sure it is straight as it can now move around within the FEE holder with the 2mm skimmed off the rails. For CARME, where sight lines and space are limited, one person is required to hold and push in the FEE whilst another checks the positioning of the connectors is straight. 

Attachment 1: 20220112_160951.jpg
20220112_160951.jpg
Attachment 2: 20220113_145105.jpg
20220113_145105.jpg
Attachment 3: 20220113_145147.jpg
20220113_145147.jpg
  170   Wed Jan 12 20:07:20 2022 JM, OH, TDFEE holder installation

4 FEE holders installed on CARME. Mounting procedure devised due to limited working space to install.

Mounting procedure:
>Install FEE holder mounts (image 1) onto feedthrough flange

>Partially make up FEE holders on workbench. Only 3 cylindrical support rods, spring latches and one of the black adaptor card mounts should be attached to aid install. Bolts should be loose to aid install on CARME. 

>Mount FEE holder to flange

>Connect first adaptor card into D connector on feedthrough, then screw adaptor card to black mount. 

>Screw in second black adaptor card mount but do not tighten bolts. Connect second adaptor card to D connector and screw to black mount. 

>Attach remaining cylindrical supports and tighten all bolts.   

Bolts to install FEE holder mount onto flange (M4x25) are 2mm too long for the hole on the flange. Washer were initially used however this prevents adaptor cards being able to be secured onto thier black mounts. Bolts were shortend 2mm by davide to install. 5 shortend bolts remain in addition to thebag of unshortend M4x25 bolts. 

On the nn flange of the bottom detector (non bias pin D-connector) the feedthrough is damaged. Damage may be repairable, to prevent further damage an adaptor card was not plugged into this D-connector. (image 1)

A bias test was performed for the top detector once adaptor cards are installed. First test is the bias test performed prior to adaptor cards being installed, second test was performed after installation of adaptor cards.   

Installing FEEs on the outer side of the ring in the future may have some mechanical conflict with the gas target frame, see attached images. 

Attachment 1: 20220112_134113.jpg
20220112_134113.jpg
Attachment 2: 20220112_155052.jpg
20220112_155052.jpg
Attachment 3: 20220112_160956.jpg
20220112_160956.jpg
Attachment 4: 20220112_161020.jpg
20220112_161020.jpg
Attachment 5: 20220112_161034.jpg
20220112_161034.jpg
Attachment 6: 20220112_170144.jpg
20220112_170144.jpg
Attachment 7: 20220112_170435.jpg
20220112_170435.jpg
Attachment 8: 20220112_165918.jpg
20220112_165918.jpg
Attachment 9: 20220112_170048.jpg
20220112_170048.jpg
Attachment 10: Bias2.png
Bias2.png
  168   Tue Jan 11 12:45:15 2022 TD, JM, OHCoolant manifold installation + detector pin tests
2x cooling water manifolds with 2x 8 ports have been installed - see attachments 1 & 2

'drain' ports at top of manifold to permit release of trapped air volumes. Local technicians will install a standard blank in one manifold and a small nipple valve on the 
other so that we can bleed air in a controlled way.

#Multimeter detector pin tests. 
Pins on feedthrough flanges investigated using multimeter for the top and bottom detector due to no response from bottom detector when bias was applied. Bias pins on 
correct D connectors are number 78. 

#Top detector
>Observe -18.5 kohm; between nn bias pin and pn bias pin  (multimeter 200kohm setting)
>observe open line between nn bias pin and pins 'near' pn bias pin (multimeter 200kohm setting)

>Between random pins on same D connector (nn bias pin connector) ~0.02Mohm (multimeter 2Mohm setting)
>Between random pins and unconnected on same D connector (nn bias pin connector) - open line (multimeter 2Mohm setting)
>Between random pins and bias pin on same D connector (nn bias pin connector) ~0.01-0.02 Mohm (multimeter 2Mohm setting)

>Between nn bias pin and random pin on another D connector ~-0.4Mohm (multimeter 2Mohm setting)

#Bottom detector 
>Observe open line between nn bias pin and pn bias pin (multimeter 200kohm+2Mohm; setting)
>Observe open line between nn bias pin and pins 'near' bias bias pin (multimeter 200kohm+2Mohm; setting)

>Between random pins on same D connector (nn bias pin connector) ~0.02Mohm (multimeter 2Mohm setting)
>Between random pins and unconnected on same D connector (nn bias pin connector) - open line (multimeter 2Mohm setting)
>Between random pins and bias pin on same D connector (nn bias pin connector) ~0.01-0.02 Mohm (multimeter 2Mohm setting)

>Between random pins on same D connector (pn bias pin connector) ~0.02Mohm (multimeter 2Mohm setting)
>Between random pins and unconnected on same D connector (pn bias pin connector) - open line (multimeter 2Mohm setting)
>Between random pins and bias pin on same D connector (pn bias pin connector) ~open line (multimeter 2Mohm setting)

>Between nn bias pin and random pin on another D connector ~-0.4Mohm (multimeter 2Mohm setting)

We see a similar response for both detectors except that the pn bias pin gives no response. 
We have looked to find the bias pin on nearby pins to pin 78 and on the other side of the D connector (in case of cabling error-mirror or swapped cables) but cannot find. 

4 FEE holders constructed and ready to install
Attachment 1: 20220111_113628.jpg
20220111_113628.jpg
Attachment 2: 20220111_113613.jpg
20220111_113613.jpg
Attachment 3: 20220111_111428.jpg
20220111_111428.jpg
  167   Mon Jan 10 20:52:53 2022 JM, TD, OHBaking tent removed, VI tests

Baking tent, frame and trays fully removed from CARME chamber. Removal of baking frame required removing air lines from upper gate valve and repositioning of vacuum hose connecting turbo pump to backing line and turbo power cable. Some difficulty encountered removing upper baking frame now the target support frame is assembled. Small modification seperating section in two would aid future installation and disammebly. 

Baking trays removed with difficulty. Main baking tray bent to extract from the frame -> updated design required for future bakeout cycle. 

VI tests performed on the upper and lower detectors. Upper detector shows characteristic curve (attached plot), lower detector shows no response to increased voltage. Multimeter used on adapter boards with resistance of ~18.5 kΩ observed between bias pins for the upper detector. Open line seen between bias pins on the lower detector, some connections observed for other pins on the board -> requires further investigation.  

NOTE - Channel 0 on bias supply is unstable, should not be used. 

 Most equipment for installation of FEE's and coolant manifolds found, assembley of FEE holders started. Full list of current swagelock inventory as follows:

SS-QTM2-D-8M0 MALE QUICK DISCONNECT 15
SS-8M0-1-6RS MNIFOLD ADAPTOR 40
NY-8M4-1 ferrule fronts (nylon) 120
NY-8M3-1 ferrule rears (nylon) 120
SS-QTM2A-B-8M0 FEMALE QUICK DISCONNECT 15
Attachment 1: 20220110_175547.jpg
20220110_175547.jpg
Attachment 2: 20220110_175811.jpg
20220110_175811.jpg
Attachment 3: vi-curve.png
vi-curve.png
  166   Tue Dec 7 09:39:59 2021 CB (remotely)Gate valves closed

Dry run complete.

YR09 section valves closed. Section isolated. Manual valve between electron target and CARME remain open.

  165   Tue Nov 30 10:49:43 2021 CB (remotely) GVGate valve opened

GSI vacuum division IE514 gauge connected.

Gleb reports gate downstream opened. Vacuum goes up and recovers as expected.

Attachment 1: vacplot24.png
vacplot24.png
  164   Sun Nov 28 15:57:45 2021 CB (remotely)Nov 2021 temperatures

Attached

Attachment 1: 211128164424_temperatures.zip
  163   Fri Nov 26 10:01:45 2021 CB (remotely) MLPower cut in the CRYRING cave

ML reports power cut in CRYRING cave. Reasons unknown. No effect on vacuum, but top valve closed for safety reason. Ramping down temperature.

  162   Wed Nov 24 12:08:08 2021 CB + ML OGIon pumps on

Found SIP power unit for D2000 #4 not functioning correctly. Max current regardless of ion element connected to.

 

ML kindly loaned a spare. All D2000 work Ok now. Will have to send faulty unit for repairs back to SAES.

 

Opened up front part of tent just enough to allow GSI vacuum division to connect IE 514 and GSI ion pump. Tent to remain until January.

 

Left to do this year:

- Turn on GSI ion pump

- Turn on GSI IE514

- Close top gate valve

- Turn off maglev turbo (very close to magnet)

Attachment 1: vacplot24.png
vacplot24.png
Attachment 2: vacplot.png
vacplot.png
Attachment 3: CARMEtemps.png
CARMEtemps.png
  161   Tue Nov 23 08:49:33 2021 CB + MLNEG activation completed

Found temperatures and pressure stabilised overnight. See attached.

12:00 Began activation of 3x UHV1400 in channel 2, top module. Started using 90 W as per procedure. No effect on temperature. Increased to 120 W. OK

14:30 Began activation of 2x UHV1400 in channel 1, in front of the detectors. Considered moving detectors but decided against it since bellows are rated to move at 20C at most. Activated at 60 W (vs. 75 W in procedure). OK

 

All NEG elements off. CARME heaters ramping down to 60 C overnight. 

Ion pumps activated < 100 C. Valve closed. #4 doesn't come online properly. Sone issues with #2 as well but it recovered on its own. Left cooling down. No changes. Ion pumps off and valve open. Will try tomorrow. Could be faulty cable?

 

Vacuum division may want to activate their pump as well - times unclear.

Attachment 1: vacplot24.png
vacplot24.png
Attachment 2: CARMEtemps.png
CARMEtemps.png
Attachment 3: vacplot24-1.png
vacplot24-1.png
Attachment 4: CARMEtemps-1.png
CARMEtemps-1.png
  160   Mon Nov 22 08:06:01 2021 RSS CB + MLNEG activation starts

08:20 Temperature of channels 1-3 and 5-6 were reduced to 120 degrees. Immediately after, the conditioning of the NEGs was stopped and D2000s ion pumps were flashed 5 times. The temperature of the gas jet target and the electron target channels was reduced to 120 degrees.

11:00 Started activation of D2000 following procedure in ... at T=400 C for trise 30 min + thold 90 minute. After activation, NEG elements are left at 200 C to maintain cleanliness. Temperatures increasing, but still well below safety margins.

16:00 Started activation of NEGs from channel 1 at 200 W. No effects on temperatures. Activated channel 2 as well. No significant effects. Increased activation power to 250 W. No issues

16:30 Given temperatures are still low decided to activate 3 and 4 with 230 W (Vs. 150 W last time). Ok for 30 minutes then temperature starts increasing a bit too quickly. Decreased to 200 W. Ok.

18:45 Activation all NEGs on middle module complete. Left overnight to stabilise / cool.

21:00 Channel 6 of the heater stops responding properly. ML asked HKR to disable. No effects on temperatures.

 

Attachment 1: IMG_5674.JPG
IMG_5674.JPG
Attachment 2: CARMEtemps.png
CARMEtemps.png
Attachment 3: vacplot.png
vacplot.png
  159   Fri Nov 19 12:03:51 2021 CB RSSConditionings NEGs

Increased conditioning temperature in D2000 #3 and 4 (behind detectors) to 150C from 130/140C. No appreciable change in temperature. Minor effects in pressure.

Pressure has completely recovered from yesterday and did not settle on higher/lower plateau value which may suggest conditioning the D2000 NEG elements has helped outgassing the chamber as a result of the low baking temperature.

Will now try to condition the UHV1400 furthest from the detectors at very low power according to SAES conditioning instructions.

The advantages are unclear at present, but more temperature during baking should not hurt final vacuum level. Will re-activate all NEGs anyway.

 

14:00 - Set power for all UHV1400 except those in the moving DSSD chamber to 20W. Some effects on both pressure and temperature. Will leave over weekend, start activation on Monday.

Attachment 1: CARMEtemps.png
CARMEtemps.png
Attachment 2: vacplot.png
vacplot.png
  158   Thu Nov 18 13:50:51 2021 CB RSSThermocamera images

Used thermocamera provided by GSI beam diagnostic division to take some pictures of YR09. See attached.

Due to aluminium outer wrapping some reflections are inevitable, but tried to only take pictures of heat spots that did not disapper from different angles.

Temperature calibration may be not perfectly reliable as well.

 

1. Gap close to CARME outside motors

2. CARME top valve

3. CARME top valve

4. CARME turbo

5. Interaction chamber looking downstream from outside of ring. Note flexible hose pumping Be window.

6. As 5, from inside the ring.

7. Interaction chamber detail (see top left in picture above)

8. IE514 sensor on interaction chamber bottom

9. YR09 from inside the ring. Note electron target

10. As above, looking further upstream

11. YR09 from inside the ring, looking downstream towards CARME

12. Electron target from inside the ring

13. Electron target from outside the ring. Biggest flange.

14. Interaction chamber from inside the ring

Attachment 1: IR000087.png
IR000087.png
Attachment 2: IR000088.png
IR000088.png
Attachment 3: IR000089.png
IR000089.png
Attachment 4: IR000090.png
IR000090.png
Attachment 5: IR000091.png
IR000091.png
Attachment 6: IR000092.png
IR000092.png
Attachment 7: IR000093.png
IR000093.png
Attachment 8: IR000094.png
IR000094.png
Attachment 9: IR000096.png
IR000096.png
Attachment 10: IR000098.png
IR000098.png
Attachment 11: IR000099.png
IR000099.png
Attachment 12: IR000101.png
IR000101.png
Attachment 13: IR000102.png
IR000102.png
Attachment 14: IR000103.png
IR000103.png
  157   Thu Nov 18 12:29:50 2021 CB RSSConditioning D2000 NEGs

D2000 thermocouples report temperatures around 100C (D2000 #1,2) and 120C (3,4). 1,2 are in the intermediate chamber, 3,4 are behind the moving arms. 3 is directly being the detectors.

Wanted to flash ion elements in D2000, but SAES recommend >100C to flash.

Followed SAES procedure / pre-sets to condition D2000 NEG elements while baking, but reduced temperature from 250 to 150 C (1,2) 140 C (4) and 130 C (3).

 

No appreciable changes in temperature. Change in pressure quite apparent. Left elements at temperatures above. May consider increasing everything to 150 tomorrow assuming detector temperatures do not change.

May also consider conditioning NEG elements in intermediate and DSSD wall chambers with 15W power (150C?) during baking as per SAES procedure. We never did this before, but we never baked as such low temperatures either. Will have to activate NEG elements after conditioning either way.

Attachment 1: vacplot.png
vacplot.png
Attachment 2: CARMEtemps.png
CARMEtemps.png
  156   Wed Nov 17 07:12:22 2021 RSS CB + ML (remotely)CARME baking with tape continues 17 Nov

CARME baking with heating tape continues

Left overnight at -

Ch1-3: 140 degrees

Ch5-6: 150 degrees

Ch8:    100 degrees

 

07:50 - Increased channels 1-3 to 150, channels 5 and 6 to 160, and channel 8 remain at 100. For the gas jet target, channel 2 increased to 150.

12:39 - Increased channels 5 and 6 to 170 C. All of CARME is >100 C except "Magnet Pipe" that is at 95 (probably OK given proximity to gate valve). 

13:40 - Decreased channel 5 to 160 C. Bottom back of CARME was going up, but rest of chamber was not following along. Thermal gradients were getting excessive.

15:10 - Checked Kapton wire specs from Allectra. Max temperature of 311-KAPM-060 is 260 C in a vacuum not 160 C as erroneously remembered. Increased Ch 1 2 3 to 160 and channel 5 to 170. Planning on leaving until weekend.


 

Progress can be followed on

http://web-docs.gsi.de/~lestinsk/baking.php

http://web-docs.gsi.de/~lestinsk/vacplot.php

Attachment 1: IMG_5600.JPG
IMG_5600.JPG
Attachment 2: IMG_5602.JPG
IMG_5602.JPG
Attachment 3: 20211117_122601.jpg
20211117_122601.jpg
Attachment 4: 20211117_151041.jpg
20211117_151041.jpg
Attachment 5: 20211117_151500.jpg
20211117_151500.jpg
Attachment 6: Kaptonwires-overview.pdf
Kaptonwires-overview.pdf Kaptonwires-overview.pdf Kaptonwires-overview.pdf Kaptonwires-overview.pdf
Attachment 7: CARMEtemps.png
CARMEtemps.png
  155   Tue Nov 16 12:05:13 2021 CB RSSCARME baking with tape continues

CARME baking with heating tape continues

Left overnight at 100C. Turned up this morning at 9:00 to 120C.

All good except detector strain relief seems to be going much higher than detector (no obvious reason) and then cool down. Proximity to flange / heating tape likely. One potential solution would be to push the motor in, putting some distance between detector / strain relief and outside flange.

 

13:30 - Increased channel 1 to 130 (long tape) and channels 5 and 6 to 140 (bottom flange heaters). Left rest as was.

15:20 - Increased channel 2 and 3 to 130. No obvious effects except Magnet pipe goes up

16:00 - Increased channel 1, 2, 3 to 140. Increased channels 5 and 6 to 150 C.

 

Progress can be followed on

http://web-docs.gsi.de/~lestinsk/baking.php

http://web-docs.gsi.de/~lestinsk/vacplot.php

Attachment 1: CARMEtemps.png
CARMEtemps.png
Attachment 2: 20211116_132048.jpg
20211116_132048.jpg
Attachment 3: 20211116_155138.jpg
20211116_155138.jpg
Attachment 4: 20211116_155857.jpg
20211116_155857.jpg
ELOG V3.1.4-unknown