Equipment and Calibration History

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View history entry 2260 for Licor LI-7500A sn: 0035

Date: 2016-05-05
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2015-10-28 AGC=49 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.0kPa, Tair=19.34C, Tdew=8.30C Zero Air at 600psi, God CO2 421.22 at 500 Tdewspan=11.09 CO2 zero 0.9384 -> 0.9388 Offset: 1.46ppm CO2 span 1.0237 -> 1.0216 Offset: 1.08ppm H2O zero 0.903 -> 0.9018 Offset: -5.9ppm H2O span 0.8731 -> 0.9928 Offset: -2.5ppm Notes: Large offset in H2O span. I think a mistake was made last time when the dew point was set to the H2O mmol/mol value.
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