Equipment and Calibration History

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View history entry 1332 for Licor LI-7500A sn: 0041

Date: 2014-06-04
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2013-11-20 AGC=51 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.11kPa, Tair=21.17C, Tdew=11.50C Zero Air at 1250psi, God CO2 421.22 at 1500 Tdewspan=15.27 CO2 zero 0.9984 -> 1.0009 Offset: 8.18ppm CO2 span 1.0139 -> 1.0101 Offset: 2.03ppm H2O zero 0.8224 -> 0.8235 Offset: 6.5ppm H2O span 0.9991 -> 1.0013 Offset: -0.05ppm Notes: Both the CO2 and H2O span seemed a little less stable that usual - CO2 +-0.2ppm, H2O +-0.5C
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