Equipment and Calibration History

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View history entry 985 for Licor LI-7500A sn: 0042

Date: 2013-04-23
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2013-02-04 AGC=53 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.36kPa, Tair=26.27C, Tdew=-1.5C Zero air at 1750psi, CO2 in air 392.30 at 1900 Tdewspan=15.03 CO2 zero 0.9508 -> 0.9504 Offset: -1.81ppm CO2 span 1.0084 -> 1.0033 Offset: 2.55ppm H2O zero 0.8575 -> 0.8499 Offset: -3.4ppm H2O span 0.9872 -> 0.9779 Offset: 0.23ppm Notes: Last H2O zero and span were slightly different than recorded. H2O zero was 0.8505 and span was 0.9892
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