Equipment and Calibration History

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View history entry 3334 for Licor LI-7500A sn: 75H-2182

Date: 2018-02-20
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2017-08-16 AGC=87 SDM=0 DAC1=0 DAC2=0 Ambient P=101.1kPa, Tair=23.3C, Tdew=-.8C Zero Air at 250psi, LBL Air 408.97 at 1700 Tdewspan=16.00 CO2 zero 0.8832 -> .8844 Offset: 5.24ppm CO2 span 1.0123 -> 1.0215 Offset: -4.81ppm H2O zero 0.8436 -> .8446 Offset: 6.7ppm H2O span 1.0038 -> 1.0038 Offset: 0ppm Notes: I didn't do a new H2O span because the dewpoint measurement was hovering around 2C, when the dewpoint generator was set to 16.00C. There might be an issue with the dewpoint generator.
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