Equipment and Calibration

View History

Equipment Entry

Instrument:CO2 Probe
Manufacture:Vaisala
Model No:GMM221
Serial No:L2058002
Tag No:
Acquisition Date:0000-00-00
Project:USDA Oikawa
Location on 2018-06-13:Lab,
Notes: 0-3% = 0-5V = 4-20mA 12VDC board with screw terminals

Documents

Calibration: cal_Vaisala_GMM221_L2058002.pdf

History

Rec No.DateLoc FromTitleLoc ToNotes
3511 2018-06-13 Twitchell Alfalfa Removed Lab none Removed with Twitchell Alfalfa site decommissioning.
1874 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in Set A at -2cm with upgrade of soil CO2 system