| Date: |
2007-02-20 |
| From: |
Factory - |
| To: |
Factory - |
| Title: |
Calibration |
| Notes: |
Sent to Licor to check for flow restriction in chemical tubes, test PAR IN stability and calibrate light source. Findings: No CO2 source cover sent. In checking for blockages in the chemical tubes, initially there were none, so I had them rebuilt. In that process we discovered that the small tubes in the bypass valve had been pinched flat. Most likely, they had been left in either the scrub or bypass position for an extended period of time, causing them to be flattened-shut. We replaced them. It is a good idea to out the valve in the center, most relaxed, position for storage. The light source is stable and I could not get it to do anything unusual, even with lots of cable stressing/wiggling. |
| Entered by: |
Joe Verfaillie |
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