Equipment and Calibration History

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View history entry 2962 for Licor LI-7500A sn: 75H-2669

Date: 2017-08-07
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2017-08-01 AGC=103.5 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=22.9C, Tdew=12.9C Zero Air at 1150psi, AMP Air 408.97 at 2100 Tdewspan=16.00 CO2 zero 0.9199 -> .9189 Offset: -.7ppm CO2 span 0.9533 -> 1.0159 Offset: -2.44ppm H2O zero 0.9118 -> .8971 Offset: -4.7ppm H2O span 0.8978 -> 1.0282 Offset: -.32ppm Notes: Previous calibration did not have correct 5th-order-polynomials, which is why the offsets were huge.
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