Equipment and Calibration History

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View history entry 4130 for Licor LI-7700 sn: TG1-0424

Date: 2019-10-31
From: Sherman Wetland - Gas Analyzer CH4
To: Sherman Wetland - Gas Analyzer CH4
Title: Calibration
Notes: Calibration Location: Sherman Wetland Last calibration: 2019-04-11 RSSI=78%, Optical RH=19% Ambient P=102.4kPa, Tair=18.1C Zero Air at 1000psi, AMP CA03923 3.121 at 1000 CH4 Zero Offset: 0.005ppm CH4 Span Offset: 0.005ppm Notes: Zero had random large spikes that turned out to be a tiny insect crawling around the bottom mirror - removed before span. Otherwise, very tight calibration.
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