Equipment and Calibration

Equipment Entry

Instrument:	CO2 Probe
Manufacture:	Forerunner-Eosense
Model No:	GP-001
Serial No:	GP20140009
Tag No:
Acquisition Date:	2014-06-13
Project:	USDA
Location on 2017-05-31:	Disposed,
Notes:	0 to 2% range. Replacement for previous Forerunner probes that were not water proof.

Rec No.	Date	Loc From	Title	Loc To	Notes
2808	2017-05-31	Factory	Disposed	Disposed	Disposed of at Eosense factory because it was not repairable
2666	2017-03-20	Lab none	Shipped	Factory	Sent to Eosense for evaluation. Bad readings after a total 433 days in use.
2228	2015-09-30	Twitchell Alfalfa	Removed	Lab none	This 2% probe was removed from the 2cm location at Alfalfa due to
1626	2014-10-30	Lab none	Installed	Twitchell Alfalfa	Installed at -2cm at Alfalfa
1585	2014-10-02	West Pond CO2 Probe B	Removed	Lab none	Removed from West Pond due to over range readings. It was replaced by a 0 to 4% probe sn GP20140021.
1584	2014-06-26	Lab none	Installed	West Pond CO2 Probe B	This 0 to 2% probe was installed at West Pond to hang off scaffold leg 5 cm below surface. No program change, using existing SE channels from last Forerunner probe.