Equipment and Calibration History

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View history entry 4454 for Licor LI-7700 sn: TG1-0423

Date: 2020-05-19
From: East End - Gas Analyzer CH4
To: East End - Gas Analyzer CH4
Title: Calibration
Notes: Calibration Location: East End Last calibration: 2019-10-22 RSSI=83%, Optical RH=20% Ambient P=101.5kPa, Tair=22.5C Zero Air at 900psi, AMP CA3923 3.121 at 850 CH4 Zero Offset: 0.01ppm CH4 Span Offset: 0.006ppm Notes: Swapped optics desiccant (indicating drierite) after calibration. Used zero air cal gas to dry out head space. New RH ~7%.
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