Equipment and Calibration History

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View history entry 5274 for Licor LI-7700 sn: TG1-0211

Date: 2021-05-26
From: Hill Slough -
To: Hill Slough -
Title: Calibration
Notes: Calibration Location: Hill Slough Last calibration: 2020-11-17 RSSI=70%, Optical RH=7% Ambient P=101.4kPa, Tair=22.3C AMP FB04161 at 1150psi, AMP CA04119 4.223 at 2100 CH4 Zero Offset: 0.077ppm CH4 Span Offset: -0.123ppm Notes: Zero gas was an AMP cal gas in a baby tank that we borrowed for the day. Zero offset and span are higher than I usually see on 7700s.
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