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Size: 1864
Comment:
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Size: 2352
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 31: | Line 31: |
| || SR785 #1 || || || || || || SR785 #2 (SN:46020 && Property Tag: C21593|| CH1 input is flakey AND Input range does not get down below -14dB|| || || || || DS345 || || || || || || DC supply || KEPCO || Cooling Fan is Shattered and Power Supply is Burnt. elog 16779|| || || |
|| SR785 #1 (SN:46756 && Property Tag: C32239)|| High Voltage leakage into CH2. elog 18006 || || || https://nodus.ligo.caltech.edu:8081/40m/18006 || || SR785 #2 (SN:46020 && Property Tag: C21593)|| CH1 input is flakey AND Input range does not get down below -14dB|| || || || || SRS DS345 (SN:40166) || “Offset o Error” displays on screen. Only Offset increases but does not generate a signal. Output is broken. || || || || || DC supply || KEPCO || Cooling Fan is Shattered and Power Supply is Burnt. elog 16779|| || https://nodus.ligo.caltech.edu:8081/40m/16779|| |
| Line 37: | Line 37: |
| || Broken Oscilloscope || Tektronix TDS3034B || || https://nodus.ligo.caltech.edu:8081/40m/18050 || | || Tektronix TDS3034B || Screen glitches out during usage elog 18050 || || https://nodus.ligo.caltech.edu:8081/40m/18050 || || 1201 Low Noise Pre Ampl. || || || || || || Phillips PM5183 Signal Gen. (NC: 9445 051 93708 && PropertyTag: C20365 || Error 3 Displays on the screen. || || || || |
40m Lab Maintenance
We list regular/semi-regular/irregular maintenance items with cost here.
Regular maintenance
Regular (annual/monthly) costs
Item |
Description |
Frequency |
Cost per period |
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Storage Area |
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Nitrogen Cylinders |
Airgas Part #:NI 300 |
8 Cylinders per month |
$159.56/Month |
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Zero-Grade Air Cylinders |
Airgas Part #:UZI300 |
4 Cylinders each Vent |
$164.67/Cylinder ~ $658.68/Vent |
Semi-regular maintenance
We know someday we will need replacement. Maintenance records should be kept in an independent page
Item |
Description |
Frequency |
Cost per replacement |
ELOG Link |
Oplev lasers |
Lumentum 1103P |
~ $900 - $1000 |
|
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UPS batteries |
RBC55 (For reference, PO #S625443) |
~$420 |
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SR560 batteries |
|
Link here |
??? |
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Irregular maintenance
Broken instrument, broken HVAC, etc
Item |
Description |
Last maintenance date |
Cost per work |
ELOG Link |
NPRO |
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HVAC |
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SR785 #1 (SN:46756 && Property Tag: C32239) |
High Voltage leakage into CH2. elog 18006 |
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SR785 #2 (SN:46020 && Property Tag: C21593) |
CH1 input is flakey AND Input range does not get down below -14dB |
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SRS DS345 (SN:40166) |
“Offset o Error” displays on screen. Only Offset increases but does not generate a signal. Output is broken. |
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DC supply |
KEPCO |
Cooling Fan is Shattered and Power Supply is Burnt. elog 16779 |
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HV supplies |
KEPCO |
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Yarm LSC DC supply |
A 15V KEPCO Broken - replaced with Sorensen. A spare KEPCO in VOPO lab |
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Tektronix TDS3034B |
Screen glitches out during usage elog 18050 |
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1201 Low Noise Pre Ampl. |
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Phillips PM5183 Signal Gen. (NC: 9445 051 93708 && PropertyTag: C20365 |
Error 3 Displays on the screen. |
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