Equipment and Calibration History

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View history entry 6249 for Licor LI-7500A sn: 75H-2669

Date: 2023-04-07
From: Lab - none
To: Lab - none
Title: Maintenance
Notes: Chemical swap. The magnesium perchlorate was a white powdery mass and had to be loosened with a screwdriver before it would all come out. The Ascarite II came out easily. I had tried to calibrate the sensor eariler in the day but the H2O zero offset was -38.3 mmol/m3 and took a long time (45+min) to stabilize. The H2O span never stabilized.
Entered by: Daphne Szutu