Equipment and Calibration History

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View history entry 725 for Licor LI-7500A sn: 0035

Date: 2012-08-07
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2012-06-04 AGC=50 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.7kPa, Tair=23.83C, Tdew=13.32C Zero air at 1900psi, CO2 in air 436.53 at 1450 Tdewspan=15.08 CO2 zero 0.9389 -> 0.9388 Offset: -0.49ppm CO2 span 1.0191 -> 1.0176 Offset: 0.57ppm H2O zero 0.8992 -> 0.8994 Offset: 1.1ppm H2O span 1.0371 -> 0.9957 Offset: 0.92ppm Notes: Very little drift in this calibration as compared to last time unlike sn 0042.
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