| Date: |
2010-05-20 |
| From: |
Twitchell Rice - |
| To: |
Twitchell Rice - |
| Title: |
Calibration |
| Notes: |
calibrated the LGR:
Initial readings:
9:35, 19.99C, 138.24Torr, 14.071usec, 10Hz, 1.8530ppm, 8187ppm, 406.97ppm
bypass valve adjusted to 143.55Torr. Calibrated with 3.276ppm CH4, 433.0ppm CO2 tank with 1800psi
Pre cal: 9:41, 138.16Torr, 1Hz, 3.220+-0.005ppm, 444+-1ppm
Post cal: 9:48, 3.278+-0.002ppm, 432+-1ppm
Ambient conditions after calibration:
9:50, 20.02C, 143.90Torr, 14.069usec, 10Hz, 1.8610ppm, 8332ppm, 390.55ppm |
| Entered by: |
Sara Knox |
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