| Date: |
2012-08-07 |
| From: |
Lab - none |
| To: |
Lab - none |
| Title: |
Calibration |
| Notes: |
Last calibration: 2012-08-06
AGC=37.5 SDM=10 DAC1= DAC2=
Ambient P=100.68kPa, Tair=22.52C, Tdew=C
Zero air at 1700psi, Co2 in air 436.53 at 1450 Tdewspan=15.08
CO2 zero 0.874 -> 0.9473 Offset: 294.5ppm
CO2 span 0.9973 -> 1.3749 Offset: -146.53ppm
H2O zero 0.6387 -> 0.6596 Offset: 187.9ppm
H2O span 1.0898 -> 1.2399 Offset: -2.67ppm
Notes: Initial calibration after upgrading to a 7500A head. Calibration coefficients and zero/span values were entered by hand into the LI-7550. New internal chemicals will need to settle for at least a day.
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