Equipment and Calibration History

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View history entry 1223 for Licor LI-7500A sn: 0042

Date: 2014-02-28
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2013-08-20 AGC=52 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=98.58kPa, Tair=19.15C, Tdew=8.52C Zero air at 1400psi, God CO2 421.22 at 1500 Tdewspan=15.17 CO2 zero 0.9503 -> 0.9506 Offset: 0.88ppm CO2 span 1 -> 1.0078 Offset: -4.12ppm H2O zero 0.8499 -> 0.8506 Offset: 3.8ppm H2O span 0.9929 -> 0.9853 Offset: 0.18ppm Notes: H2O not zeroed last time - April 23, 2013 last zero
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