| Date: |
2018-04-13 |
| From: |
Lab - none |
| To: |
Lab - none |
| Title: |
Calibration |
| Notes: |
Calibration Location: Lab
Last calibration: 2017-10-11
RSSI=75%, Optical RH=4%
Ambient P=101.8kPa, Tair=24.2C
Zero Air at 500psi, LBL Air 1.9497 at 1500
CH4 Zero Offset: .008ppm
CH4 Span Offset: -.0417ppm
Notes: Started "new" ultra pure zero air tank that had 500 psi left in it.
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