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  • Detector running and stabilized for two hours, nominal settings.
  • Beam monitor shows ~0.75mJ.
  • Record thermometer and humidity sensor readings:

    Sensor 
    Airbox T39.64C
    Airbox Humidity0.96%
    Airbox Pressure1007 hPa
    Dewpoint-25.4C
    Coldplate C23.34C
    Coldplate D24.01C
    Chiller Flow2.3 l/m
    Chiller Setpoint15C

    Note that airbox temp rose to 40.3C after awhile.  Experimented with chiller temp and verified that dropping 5C started slowly cooling the airbox.  Got down below 39c, but decided to return to 15C on the chiller for comparability with lab data.  May want to change standard operating temperature in future, but table that for now.

Electrical

  • Document grounding scheme:  Heavy clip ground wire to power supply chassis, nothing else visible:
  • Read/record all available voltages and currents

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