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Equipment and Calibration

View History

Equipment Entry

Instrument:CO2 Probe
Manufacture:Forerunner-Eosense
Model No:GP-001
Serial No:GP20150109
Tag No:
Acquisition Date:2015-12-07
Project:CDFW
Location on 2020-10-08:Factory,
Notes: 0-8% probe

Documents

No documents found

Report: Eosense CO2 Probe Compare - 2018-04-23
Report: Eosense CO2 Probe Compare - 2018-09-07

History

Rec No.DateLoc FromTitleLoc ToNotes
4855 2020-10-08 Lab none Shipped Factory none Sent to Eosense for inspection
4110 2019-09-20 Lab none Tested Lab none Tested in the lab and still maxing out. This sensor should be sent back to the factory/disposed.
4109 2019-09-18 East Pond CO2 Probe Removed Lab none Removed from EP and brought back to the lab for testing b/c it was maxing out.
3701 2018-09-18 Lab none Installed East Pond CO2 Probe Installed at East Pond hanging just below the water surface below the data logger box.
2966 2017-08-15 Lab none Tested Lab none Tested in the lab with a CR1000. Scan every second and record every minute. Temperature seems okay (~3000 mV) but CO2 stays low (~25 mV). It responds a little bit when I blow into the sensor, but not much (from 25-100 mV, over a range of 0-5000 mV).
2827 2017-06-05 West Pond CO2 Probe B Removed Lab none Removed from West Pond because it was giving funky numbers after the water level went down.
2630 2017-02-23 Lab none Installed West Pond CO2 Probe B Installed at West Pond in the same location as the previous one.
2639 2017-02-22 Lab none Calibration Lab none y = 19.2*x
It was determined in the lab that the high power draw was due to a bad cable and not the probe. The probe was tested against a new probe with decreasing CO2 from 2.4% to zero and no significant offset was observed.
2629 2016-11-21 East End CO2 probe Removed Lab none Removed from East End where it was pulling about 6A of power and browning out the entire site.
2121 2015-12-08 Lab none Installed East End CO2 probe This 8% probe was installed at East End to replace a 4% probe sn GP20140021
 
 

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