Equipment and Calibration

View History

Equipment Entry

Instrument:CO2 Probe
Manufacture:Vaisala
Model No:GMM222
Serial No:L2010070
Tag No:
Acquisition Date:0000-00-00
Project:USDA Oikawa
Location on 2020-12-01:Lab,
Notes: 0-1% = 0-5V = 4-20mA 12VDC board with screw terminals

Documents

Calibration: cal_Vaisala_GMM222_L2010070.pdf

History

Rec No.DateLoc FromTitleLoc ToNotes
5004 2020-12-01 Vaira CO2 probe North Profile -0.08 Removed Lab none The battery bank has died and it has been decided to focus on the forced diffusion soil CO2 and Eosense GP profile. The rest of the soil co2 equipment will be removed.
4650 2017-09-21 Vaira CO2 probe North Profile -0.08 Location Vaira CO2 probe North Profile -0.08 This probe did not change location
3071 2017-09-14 Lab none Installed Vaira CO2 probe North Profile -0.08 Reinstalled at Vaira in the North profile at -8cm after lab calibration.
2995 2017-08-25 Vaira CO2 probe North Profile -0.08 Removed Lab none Removed from Vaira North profile, -8 position and brought back to the lab for calibration
2182 2016-02-23 Lab none Installed Vaira CO2 probe North Profile -0.08 Installed in the Vaira North profile at -8cm after lab calibration.
2156 2016-02-04 Vaira CO2 probe North Profile -0.08 Removed Lab none Removed from Vaira North profile at -8cm for calibration
2044 2015-11-03 Lab none Installed Vaira CO2 probe North Profile -0.04 Installed in Vaira North profile at -4cm to replace sn Y1950005