| Date: |
2024-07-22 |
| From: |
Lab - none |
| To: |
Lab - none |
| Title: |
Calibration |
| Notes: |
Last calibration: 2024-05-06
AGC=97.8 SDM= DAC1= DAC2=
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=99.79kPa, Tair=22.1C, Tdew=13.18C
Zero Air at 1650psi, AMP CA04119 524.77 at 350 Tdewspan=20.00
CO2 zero 0.91 -> .9086 Offset: -5.85ppm
CO2 span 1.0009 -> .9880 Offset: 9.33ppm
H2O zero 0.846 -> .8457 Offset: -2.0ppm
H2O span 0.9936 -> .9823 Offset: .26ppm
Notes: Larger CO2 zero (-5.85ppm offset) and CO2 span (9.33ppm offset) than expected. Checked CO2 span again after calibrating everything else and it read 524.52ppm (offset=-0.25ppm). That looks ok so I left the calibration as is.
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