Equipment and Calibration History

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View history entry 1220 for Licor LI-7500A sn: 1594

Date: 2014-02-25
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2013-08-20 AGC=51 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.43kPa, Tair=20.21C, Tdew=8.81C Zero air at 1400psi, God CO2 421.22 at 1500 Tdewspan=15.17 CO2 zero 0.8647 -> 0.8671 Offset: 9.68ppm CO2 span 1.0135 -> 1.0153 Offset: -0.87ppm H2O zero 0.897 -> 0.8940 Offset: -16.4ppm H2O span 0.9973 -> 0.9940 Offset: 0.07ppm Notes: Serial pin in external connector may be broken - use internal connector. Relatively large zero offsets.
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