DQRID : D170320.12
Start DateStart TimeEnd DateEnd Time Data Quality Metric
10/10/2007000004/07/20092359Does not affect quality
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Subject:
SGP/MET/E11 - Temperature/humidity sensor failed a field calibration check
DataStreams:sgpmetE11.b1
Description:
The temperature/humidity sensor was not calibrated annually during this time. The 
temperature failed a field calibration check on 10/10/2007 (read high), but passed subsequent 
checks until replacement on 4/7/2009.

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:sgpmetE11.b1:
  • rh_mean
  • vapor_pressure_mean
  • temp_mean
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