Equipment and Calibration History

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View history entry 7090 for Licor LI-7500A sn: 0065

Date: 2025-01-13
From: Lab -
To: Lab -
Title: Calibration
Notes: Last calibration: 2024-09-26 AGC=96.4 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=101.35kPa, Tair=24.09C, Tdew=-1.55C Zero Air at 875psi, AMP FB04319 514.07 at 350 Tdewspan=20.00 CO2 zero 0.8913 -> .8914 Offset: .27ppm CO2 span 1.0229 -> 1.0226 Offset: .21ppm H2O zero 0.7336 -> .7334 Offset: -1.6ppm H2O span 1.0269 -> 1.0237 Offset: .07ppm Notes: Used "514.00" as the CO2 span point in the 7550 software. Had to add more water to the LI-610 (reservoir and condenser tubing) during the H2O span calibration.
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