Equipment and Calibration History

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View history entry 992 for Licor LI-7500A sn: 75H-2176

Date: 2013-04-26
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2013-02-05 AGC= SDM=1 DAC1=none DAC2=none Ambient P=kPa, Tair=C, Tdew=C Zero air at 1700psi, CO2 in air 392.30 at Tdewspan=15.04 CO2 zero 0.8676 -> 0.8676 Offset: 1.0ppm CO2 span 1.0038 -> 1.0038 Offset: -4.7ppm H2O zero 0.8539 -> 0.8539 Offset: 3.8ppm H2O span 0.9906 -> 0.9906 Offset: 0.42ppm Notes: Last calibration was done at factory. I felt that the offsets were small enough that I did not recalibrate at this time.
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