Maintenance, 1 every visit, Every visit – Campbell Scientific CRS451/CRS456 Submersible Water-Level Recording Sensor User Manual
Page 26: Every two to three years or on a rotating schedule
CRS451/CRS456 Submersible Water-Level Recording Sensor
The barometric pressure sensor data are shown below, also in blue.
8. Maintenance
Campbell Scientific recommends that the CRS451/CRS456 be factory
recalibrated every 24 months. Before a CRS451/CRS456 is sent to Campbell
Scientific, the customer must get an RMA (returned material authorization)
number and fill out the Declaration of Hazardous Material and
Decontamination form.
8.1 Every Visit
•
Collect data.
•
Visually inspect the physical conditions.
•
Check battery condition by using a laptop and HydroSci software to view
the battery voltage (see Section 6.6, Battery Voltage Reading). The
battery replacement procedure is provided in Section 8.3, Battery
Replacement.
•
Check all readings; adjust offsets if necessary.
•
Check recent data.
8.2 Every Two to Three Years or on a Rotating Schedule
•
Send the CRS451/CRS456 in for inspection and calibration.
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