Equipment and Calibration History

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View history entry 841 for Licor LI-7500A sn: 1594

Date: 2012-10-23
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2012-05-17 AGC=51 SDM=0 DAC1=0-1000 DAC2=10-25 Ambient P=100.79kPa, Tair=22.2C, Tdew=0C dry air at 1800psi, CO2 398.79 at 1600 Tdewspan=15.07 CO2 zero 0.8642 -> 0.8674 Offset: 12.47ppm CO2 span 1.0143 -> 1.0021 Offset: 5.83ppm H2O zero 0.8993 -> 0.8857 Offset: -1.13ppm H2O span 0.9721 -> 0.8959 Offset: 1.82ppm Notes: operated by Siyan Ma
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