Equipment and Calibration History

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View history entry 225 for Licor LI-7500A sn: 0073

Date: 2010-10-13
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Calibrated in the lab 100.64kPa, 25.68C, 60% AGC 11.48C Td Zero Air 0.0 @ 1750psi, CO2 tank 597.4ppm @ 200psi Last cal 8/13/2010 CO2 zero 0.9580 -> 0.9588 offset +2.7ppm CO2 span 0.9976 -> 0.9974 offset +0.0ppm H2O zero 0.7271 -> 0.7319 offset +30.2mmol/m3 H2O span 0.9860 -> 0.9821 offset SDM address: 7, DAC 1: 0-1000, DAC 2: 10-25 Note: Again, using scrubs on the zero air seemed to introduce more H2O to the system than running without the scrubs. I did not scrub the zero air for this calibration
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