Equipment and Calibration History

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View history entry 890 for Licor LI-7500A sn: 0035

Date: 2013-02-04
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2012-08-07 AGC=48 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=101.2kPa, Tair=18.9C, Tdew=6.6C dry air at 1500psi, CO2 421.22 at 1700 Tdewspan=15.04 CO2 zero 0.9388 -> 0.9417 Offset: 12.82ppm CO2 span 1.0176 -> 1.0150 Offset: 0.56ppm H2O zero 0.8994 -> 0.8846 Offset: -1.77ppm H2O span 0.9957 -> Offset: 4.24ppm Notes: all coefficients were zero before calibration. Joe helped to reset them successfully.
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