Equipment and Calibration History

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View history entry 4118 for Licor LI-7700 sn: TG1-0223

Date: 2019-10-22
From: Mayberry - Gas Analyzer CH4
To: Mayberry - Gas Analyzer CH4
Title: Calibration
Notes: Calibration Location: Mayberry Last calibration: 2019-04-25 RSSI=84.7%, Optical RH=28% Ambient P=101.6kPa, Tair=29.7C Zero Air at 1200psi, AMP CA03923 3.121 at 1200 CH4 Zero Offset: -0.075ppm CH4 Span Offset: 0.007ppm Notes: Slightly larger zero offset but span seems good. After calibration swapped optics desiccant and dried head space with cal gas. New RH 11%.
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