Equipment and Calibration History

History for Environmental Sensors Inc. PRB-K Type #8 000000402FF3

Rec No.	Date	Loc From	Title	Loc To	Notes
5115	2021-02-10	Tonzi Soil Moisture Probe F -0.50m	Removed	Lab none	Removed from Tonzi floor due to fixed readings for a long while. This sensor was out of the ground at the edge of the trees near the path to the tower. It was buried vertically with the top of the sensor 31cm below the surface - the time were 44-50cm below the surface.
4236	2001-11-10	Lab none	Installed	Tonzi	Installed near the water potential table and original sap flow measurements by Dennis and Liukang