| Date: |
2012-01-26 |
| From: |
Lab - none |
| To: |
Lab - none |
| Title: |
Calibration |
| Notes: |
Calibrated in the lab with god bottle 1.8978ppm CH4 at 300psi. Last calibration Nov 18, 2011. Before calibration while running the cal gas the LGR read:
12:07PST, 21.34C, 142.93Torr, 15.343usec, 1Hz, 1.889ppm
Afterward calibration it was right on. I check the concentration is Franks new tank: 1.948ppm |
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