Equipment and Calibration History

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View history entry 2397 for Licor LI-7500A sn: 0418

Date: 2016-08-15
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2016-02-22 AGC=49 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.59kPa, Tair=22.61C, Tdew=12.50C Zero Air at 500psi, God CO2 421.22 at 500 Tdewspan=16.00 CO2 zero 0.9013 -> 0.9012 Offset: -0.60ppm CO2 span 1.0076 -> 1.0070 Offset: 0.38ppm H2O zero 0.8564 -> 0.8558 Offset: -3.6ppm H2O span 1.007 -> 0.9911 Offset: 0.34ppm Notes: At first the diagnostic value was 24 with flags set on PLL, detector and chopper. Reconnecting the head fixed the problem.
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