| Date: |
2017-07-13 |
| From: |
Lab - none |
| To: |
Lab - none |
| Title: |
Calibration |
| Notes: |
Calibration Location: Lab
Last calibration: 2017-04-03
RSSI=72.1%, Optical RH=3%
Ambient P=100.3kPa, Tair=22.4C
Zero Air at 1400psi, NOAA Air 1.89919 at 1500
CH4 Zero Offset: 0.010ppm
CH4 Span Offset: 0.0519ppm
Notes: First calibration after replacing the circuit power board. Ambient CH4 = 1.98
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