Equipment and Calibration History

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View history entry 6339 for Licor LI-7500A sn: 75H-2180

Date: 2023-07-19
From: Lab -
To: Lab -
Title: Calibration
Notes: Last calibration: 2023-03-29 AGC=100.5 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.5kPa, Tair=23.4C, Tdew=13.1C Zero Air at 1000psi, AMP CA04119 524.77 at 950 Tdewspan=16.00 CO2 zero 0.9149 -> .9143 Offset: -2.92ppm CO2 span 1.044 -> 1.0374 Offset: 4.45ppm H2O zero 0.8913 -> .8941 Offset: 17.6ppm H2O span 1.0275 -> 1.0299 Offset: -.04ppm Notes: Slightly higher H2O zero offset than usual. Used CO2 span point of "524.55" to get the sensor to 524.77. Vertical orientation.
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