Equipment and Calibration

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Equipment Entry

Instrument: CO2 Probe Manufacture: Vaisala Model No: GMP221 Serial No: Y4110008 Tag No: Acquisition Date: 2003-10-06 Project: Tonzi Location on 2012-05-02: Disposed, Notes: 0-1% range

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History

Rec No.	Date	Loc From	Title	Loc To	Notes
590	2012-05-02	Factory	Disposed	Disposed	Filter was cracked, probe completely replace - new probe is serial number H1310008
573	2012-03-28	Lab none	Shipped	Factory	Sent to Vaisala for repair. Reporting errors 10, 11 and 12 readings unreasonable.
1290	2010-04-06	Lab none	Installed	Sherman Island	Installed at Sherman Island in Set A at -2cm.
1363	2010-02-11	Lab none	Calibration	Lab none	Trueppm = Probeppm*1.019 + -108.4; linear relationship between the ppm reported by the probe and the known ppm of the calibration tanks. Tanks: zero air (0ppm), 383ppm, 597ppm, and 2238ppm. Ta=21.8C, P=102.3kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Jaclyn.
14	2009-12-01	Factory	Repair	Factory	Vaisala factory repair and calibration 0-3% - certificate on file. Problem: Got probe error 10 and 11. No IR source. Action: Replaced probe circuit board and adjusted unit.
20	2005-05-16	Tonzi	Removed	Lab none	Removed from Tonzi - location at Tonzi unknown