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2024/08/26 (Sunday)

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  • Lab in-personnel: Himangshu
Status Base temp (H35) = 37 mK. Tower = 68 mK
Plan is to plug in the DCRCs today and SQUID tuning
1100 Refilled Cold Trap 1
1128 Start the Midas DAQ in the cdms2 server and load Run 76 odb settings. Then start frontends and plug in one DCRC at a time and initialize them. Do not connect to the IO cables yet.
I chose a dataset from Run 76 (07221115_2109) and loaded the corresponding ODB 47938
odbedit -c “load /data/chocula/k100/midasraw/livedata/run47938.odb”
1305 The run number at the start of the run needs to be set to the current run number to avoid overwriting old run odbs.
1318 Initialized all DCRCs
1320 Plugged in Cable 1 to DCRC1
DCRC1pA not showing test signal
1325 DCRC1pB: SquidBias: -70.0, Lockpoint: -2.09
1446 Cable 1 pA SQUID is showing high resistance ~ 0.6M ohm
1446 Plug in Cable 3 to DCRC3
1450 Cable3 pA: SQUID bias: -68.1, -4.45
1455 Cable3 pB: SQUID bias: -91.7, -7.35
1455 Cable3 pD: SQUID bias: -68, -2.66
1515 Cable2 pB: SQUID bias: -72.0, -2.22
1515 Cable2 pD: SQUID bias: -79.4, -3.22

1700 Since G1 and G2 slowly going up, I paused the circulation and did the steps for a partial warmup.

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