Photos

Summary

Maintenance Visit , Humidity Sensor Upgrade

Details

Log file location: @skyriver.ucsd.edu/data/CW3E_data/CW3E_HCN_Archive/raw/033_tuolumneMeadows/Dep-Rec_LOG/tuolumneMeadows_2024-06-21.log



Tuolumne Meadows

Site 033

21 Jun 2024

Douglas Alden

Charlotte Piazza


On arrival

Battery Voltage: 13.65 V

Current: 3.3/1.2/1.1


System Operational? Yes


Clock OK: +00:01:02


Is AC power to tipping bucket on?


Old SD: 094

New SD: 090


Old Tipping Bucket: 37068-905 missing calibration date but it has a new 0.01" tipper inside.

New Tipping Bucket: Not replaced

Tipping bucket heater wire or the tipper wire blocked with tipper during deployment. Data is not usable.

Made sure wires did not intefere with tipper for next deployment


Installed SHT85 and mounting bracket.


Upgraded firmware v2.0.3 Mt. Rainier


Barometer Offset

Paros:  738.33

DL4-Met: 738.3

Old Offset: +1.8

New Offset: not changed


Did not replace Alkaline Battery Pack


Battery Voltage: 13.65

Current: 2.6/1.1/1.0


AC Power is on: 126 VAC


We should develop a system that run off a battery pack or AC power using

Campbell Sci CS200.


Replace battery pack next visit


Sensor heights:


Tipping Bucket: 9.27 m

T/RH: 8.31 m

Barometer: 9.10 m