Equipment and Calibration History

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View history entry 459 for Licor LI-7500A sn: 0042

Date: 2011-12-13
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2011-09-27 AGC=73 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.67kPa, Tair=23.42C, Tdew=4.10C Zero Air at 800psi, CO2 in Air 436.53 at 1900 Tdewspan=10.08 CO2 zero 0.9592 -> 0.9597 Offset: 2.0ppm CO2 span 0.9758 -> 0.9840 Offset: 5.23ppm H2O zero 0.7852 -> 0.7828 Offset: -6.0ppm H2O span 0.9532 -> 0.9341 Offset: 0.32ppm Notes: The signal from this IRGA seems noisey and the AGC is pretty high.
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