Equipment and Calibration History

History for METER Group HYDROS21 H21G200002433

Rec No.	Date	Loc From	Title	Loc To	Notes
6895	2024-10-07	Factory none	Disposed	Disposed none	Disposed at the factory. We were sent a replacement under warranty, sn H21G00003238.
6851	2024-09-23	Lab none	Shipped	Factory none	Shipped back to METER to be replaced under warranty
6852	2024-09-18	Lab none	Tested	Lab none	Tested in the lab in a large glass cylinder full of water. The depth data at first seemed reasonable, but after 30 minutes where the sensor was resting on the bottom of the cylinder, the data had drifted ~30mm. I will contact METER support.
6837	2024-08-29	Gilbert Tract Water Level Boardwalk	Removed	Lab none	Removed from GT (off of boardwalk) because water level data was not working. Brought back to the lab for further testing.
6658	2024-04-16	Hill Slough Water Level	Moved	Gilbert Tract Water Level Boardwalk	Removed for temporary use at GT, EXO should have the same data.
6495	2023-12-22	Lab none	Installed	Hill Slough Water Level	Installed at the channel to replace the one that failed and was removed a while ago.