DQRID : D170322.7
Start DateStart TimeEnd DateEnd Time Data Quality Metric
08/26/20110000Open Ended0000Does not affect quality
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Subject:
SGP/MET/E34 - Temperature/humidity sensor occasionally failed 6-month field calibration 
checks
DataStreams:sgpmetE34.b1
Description:
The temperature/humidity sensor has not been calibrated since 8/26/2011. The temperature 
reading failed two 6-month field calibration checks during this time (read high), but has 
passed all field calibration checks after 10/24/2012.

In general, the relative humidity may have been subject to drift during this time. The 
manufacturer characterizes sensor drift at <1% / year.
Suggestions: 
Please contact the mentor for specific information regarding the field calibration 

check results, if necessary.
Measurements:sgpmetE34.b1:
  • vapor_pressure_mean
  • rh_mean
  • temp_mean
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