Equipment and Calibration History

History for Campbell Sci. CS511 DO-1

Rec No.	Date	Loc From	Title	Loc To	Notes
786	2012-09-06	Mayberry DO Sensor B	Removed	Lab none	DO-01 was removed from the deep open water position at Mayberry due to reading out of range high. It will be tested in the lab.
785	2012-08-16	Mayberry DO Sensor B	Serviced	Mayberry DO Sensor B	DO-01 was rinced with vinegar and cleaned with a tooth brush then rinced with DI before refilling with electrolyte. The sensor had been giving reading out of range high.
367	2011-05-25	Lab none	Installed	Mayberry DO Sensor B	Installed on the Mayberry Tule Tower after being repaired in the lab. The broken cable was spliced near the sensor head. The sensor innards were also soaked in vinegar and electrolyte was replaced.
366	2011-05-13	Mayberry DO Sensor A	Removed	Lab none	The cable was broken in trying to move the sensor at Mayberry. It was returned to the lab for repair and maintenance.
242	2010-10-27	Lab none	Installed	Mayberry DO Sensor A	Installed at the Mayberry site to the east of the tower near the surface of a rising water level.
784	2010-10-01	Twitchell Rice DO Sensor	Removed	Lab none	DO-01 was removed from the Twitchell Rice because the field has been drained an the probe was high and dry. It will be used at Mayberry.
783	2010-08-17	Lab none	Installed	Twitchell Rice DO Sensor	DO-01 was installed at the Twitchell Rice site.