Equipment and Calibration

Equipment history at Bouldin Alfalfa

| ALL | | Anemometer || Barometer || Camera || Data Logger || Flux Analyzer || Forced Diffusion || Gas Analyzer || Heat Flux Plate || Infrared Temperature || Interface || Multiplexer || Narrow Band || Net Radiometer || PAR Sensor || Precipitation || Range Finder || RH & Temp || Soil Moisture Probe || Solar Controller || Solar Panel || Weather Station |

SELECT a.recno, a.eh_date, a.eh_loc1, a.eh_loc2, IF(a.eh_loc2=:loc, a.eh_locref2, a.eh_locref1) AS ref, a.eh_locref2, a.eh_title, a.eh_notes, a.eh_id, b.serialno, b.equip, b.modelno FROM equiphist a INNER JOIN equiplist b ON a.eh_id=b.recno WHERE (a.eh_loc1=:loc1 OR a.eh_loc2=:loc2) AND b.equip=:eq ORDER BY b.serialno, a.eh_date

Date Serial No. Model Action Ref Notes
RH & Temp
2020-11-19 G4540021 HMP60 Installed RH & Temp Installed at Bouldin Alfalfa to replace sn T1250012 that needs to be returned to Siyan.
2021-03-16 G4540021 HMP60 Removed RH & Temp Removed from BA and brought back to the lab b/c AirT has been drifting low. it was replaced by HMP155 sn S3420870.
2016-08-12 L1740398 HMP60 Installed RH & Temp Installed with the initial set up of the site.
2018-08-23 L1740398 HMP60 Removed RH & Temp Removed from BA due to low temperature readings. Several other HMP60s have similarly failed.
2019-10-02 L1740398 HMP60 Removed 0 Removed from BA CH4 release experiment and brought back to the lab.
2021-03-16 S3420870 HMP155 Installed RH & Temp Installed at BA to replace sn G4540021, which was brought back to the lab for testing.
2021-03-30 S3420870 HMP155 Removed RH & Temp Removed from BA and brought back to the lab for repair. This sensor had fallen to the ground. The cable head needs rewiring.
2021-04-15 S3420870 HMP155 Installed RH & Temp Installed on the BA tower after reconnecting sensor to cable screw terminals in the lab. The collar has a metal set screw.
2018-08-23 T1250012 HMP45AC Installed RH & Temp Installed on BA to replace an HMP60 with low temperature readings. This sensor was in the TA inter-comparison T slope was 1.0462 and RH slope was 1.0369.
2020-11-19 T1250012 HMP45AC Removed RH & Temp Removed from Bouldin Alfalfa to be returned to Siyan. Replaced by sn G4540021
2021-08-04 T1250012 HMP45AC Installed none Installed on the BA bouncer tower next to the upper sonic for the advection experiment. It was wired to U9/U10.
2021-09-03 T1250012 HMP45AC Removed Removed from BA bouncer tower, where it was the upper T/RH sensor. It was replaced by sn T2820180.
2021-11-18 T1250012 HMP45AC Installed none Installed on BA tower for an HMP45 intercomparison with the tower HMP155.
2021-12-14 T1250012 HMP45AC Removed Removed from BA at the conclusion of the HMP intercomparison
2021-09-03 T2820180 HMP155 Installed none Installed on the BA bouncer tower for the advection experiment in the upper T/RH location.
2021-09-03 T2820183 HMP155 Installed none Installed on the BA bouncer tower for the advection experiment in the lower T/RH location
2021-11-05 T2820183 HMP155 Moved none Removed from bouncer tower (lower position) at the conclusion of this year's advection experiment and installed on the main tower for an HMP intercomparison
2021-11-18 T2820183 HMP155 Removed Removed from BA tower at the conclusion of the HMP155 intercomparison.
2021-09-03 T2930114 HMP155 Installed none Installed on the main BA tower (lower location) for the advection experiment
2021-11-05 T2930114 HMP155 Moved none Removed from main tower (lower position) at the conclusion of this year's advection experiment and installed on the main tower for an HMP intercomparison
2021-11-18 T2930114 HMP155 Removed Removed from BA tower at the conclusion of the HMP155 intercomparison.
2021-08-04 U3030041 HMP45AC Installed none Installed on the BA bouncer tower next to the lower sonic for the advection experiment. It was wired to U11/U12.
2021-09-03 U3030041 HMP45AC Removed Removed from BA bouncer tower, where it was the lower T/RH sensor. It was replaced by sn T2820183.
2021-11-18 U3030041 HMP45AC Installed none Installed on BA tower for an HMP45 intercomparison with the tower HMP155.
2021-12-01 U3030041 HMP45AC Removed none Removed from the BA HMP intercomparison from wiring position DE1/2 because it was giving bad data. It was brought back to the lab for testing.
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