Equipment and Calibration

View History

Equipment Entry

Instrument:CO2 Probe
Manufacture:Forerunner-Eosense
Model No:GP-001
Serial No:GP20140021
Tag No:
Acquisition Date:2014-09-25
Project:USDA Rice
Location on 2017-05-31:Disposed,
Notes: 0 to 4% range. These probes have an extra 20% bonus to their CO2 analog range. So a 0-2% probe will have a 0-2.4% analog output range.

Documents

Calibration: Forerunner_GP001_20140021.pdf

History

Rec No.DateLoc FromTitleLoc ToNotes
2806 2017-05-31 Factory Disposed Disposed Disposed of at Eosense factory because it was not repairable
2667 2017-03-20 Lab none Shipped Factory Sent to Eosense for evaluation. Bad readings after a total 276 days in use.
2640 2017-02-22 Lab none Calibration Lab none y = 13.36*x
The probe was tested against a new probe with decreasing CO2 from 2.4% to zero. This probe read significantly lower than the standard probe and showed some lag at higher change rates.
2120 2015-12-08 East End CO2 probe Removed Lab none This 4% CO2 probe was removed from East End. It was replaced by an 8% probe sn GP20150109
1902 2015-06-25 Lab none Installed East End CO2 probe Installed this 4% probe at East End due to replaced 2% probe sn GP20140011.
1672 2015-01-20 West Pond CO2 Probe B Removed Lab none Removed from West Pond. Replaced by sn GP20140022 that now has a copper mesh.
1580 2014-10-02 Lab none Installed West Pond CO2 Probe B Installed at West Pond to replace the current 2% probe sn GP20140009.