Equipment and Calibration History

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View history entry 2398 for Licor LI-7500 sn: 0976

Date: 2016-08-15
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2016-02-22 AGC=58 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.24kPa, Tair=21.70C, Tdew=12.08C Zero Air at 500psi, God CO2 421.22 at 500 Tdewspan=16.00 CO2 zero 0.8594 -> 0.8594 Offset: 0.15ppm CO2 span 1.0112 -> 1.0083 Offset: 1.48ppm H2O zero 0.6332 -> 0.6317 Offset: -10.5ppm H2O span 1.0281 -> 1.0114 Offset: 0.37ppm Notes: Did note use the hood thermistor. Large change in H2O zero
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