Equipment and Calibration History

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View history entry 1650 for Licor LI-7500A sn: 0065

Date: 2014-12-22
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Last calibration: 2014-09-09 AGC=73.11 SDM=6 DAC1=- DAC2=- Ambient P=101.19kPa, Tair=23.76C, Tdew=14.50C Zero Air at 1000psi, God CO2 421.22 at 1300 Tdewspan=15.95 CO2 zero 0.8899 -> 0.8909 Offset: 4.46ppm CO2 span 1.007 -> 0.9835 Offset: 13.26ppm H2O zero 0.7053 -> 0.7050 Offset: -2.0ppm H2O span 1.0101 -> 1.1245 Offset: -2.24ppm Notes: Started calibration on sn AIU-0397 box. It suddenly restarted and then quit. No power light. Same cables worked on sn AIU-614 and the calibration was completed - however the large offsets are unusual and weren't seen on the 0397 box.
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