Equipment and Calibration History

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View history entry 986 for Licor LI-7500A sn: 0035

Date: 2013-04-23
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2013-02-04 AGC=49 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.27kPa, Tair=24.57C, Tdew=1.18C Zero air at 1750psi, CO2 in air 392.30 at 1900 Tdewspan=15.03 CO2 zero 0.9419 -> 0.9386 Offset: -13.70ppm CO2 span 1.015 -> 1.0156 Offset: -0.3ppm H2O zero 0.8846 -> 0.8981 Offset: +70.5ppm H2O span 0.8179 -> 0.9842 Offset: -3.77ppm Notes: Unusually large offsets except for CO2 span, but otherwise okay.
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