Equipment and Calibration History

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View history entry 6099 for Licor LI-7700 sn: TG1-0211

Date: 2022-11-30
From: Hill Slough -
To: Hill Slough -
Title: Calibration
Notes: Calibration Location: Hill Slough Last calibration: 2022-06-08 RSSI=71%, Optical RH=26% Ambient P=101.4kPa, Tair=10.3C Zero Air at 1650psi, AMP CA04396 1.9317 at 1100 CH4 Zero Offset: .005ppm CH4 Span Offset: .0003ppm Notes: After calibration we flushed headspace with zero air until optics RH = 8%. We swapped in fresh drierite. The current thermocouple assembly is missing an o-ring (has putty instead in the o-ring groove), so we swapped in a brand-new thermocouple assembly.
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Field notes