| Date: |
2024-10-22 |
| From: |
Lab - |
| To: |
Lab - |
| Title: |
Calibration |
| Notes: |
Last calibration: 2024-06-17
AGC=96.4 SDM= DAC1= DAC2=
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=100.7kPa, Tair=26.0C, Tdew=12.4C
Zero Air at 1050psi, AMP FB04319 514.07 at 800 Tdewspan=20.00
CO2 zero 0.9064 -> .9051 Offset: -5.18ppm
CO2 span 1.0047 -> 1.0005 Offset: 3.03ppm
H2O zero 0.9346 -> .9392 Offset: 24.2ppm
H2O span 1.0084 -> 1.0016 Offset: .15ppm
Notes: The 7550 software seems to have trouble setting the CO2 span when the coefficient is right around 1.0000. The span would jump to either 513.8 or 514.4 when trying to set span with "514.07". I ended up manually adjusting the coefficient from 1.0000 to 1.0005 get the post-span concentration close to 514.07ppm.
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