Equipment and Calibration

View History

Equipment Entry

Instrument:CO2 Probe
Manufacture:Vaisala
Model No:GMM222
Serial No:L2030064
Tag No:
Acquisition Date:0000-00-00
Project:USDA Oikawa
Location on 2016-01-12:Lab,
Notes: 0-2000ppm = 0-5V = 4-20mA 12VDC board with screw terminals

Documents

Calibration: cal_Vaisala_GMM222_L2030064.pdf

History

Rec No.DateLoc FromTitleLoc ToNotes
3032 2016-01-12 Twitchell Alfalfa Removed Lab none Removed from Twitchell Alfalfa with the FD chamber due to torn membranes.
1888 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in the forced diffusion soil cell with upgrade of soil CO2 system