Campbell Scientific CRS451/CRS456 Submersible Water-Level Recording Sensor - Manual (Page 12)

CRS451/CRS456 Submersible Water-Level Recording Sensor
6.5 Other Installations
The CRS451/CRS456 can be installed in any position; however, when it leaves
the factory it is tested in the vertical position. There will be an offset error if
not installed vertically; contact Campbell Scientific for more information.
Strapping the transducer body with tie wraps or tape will not hurt it.
6.6 Battery Voltage Reading
The voltage of the lithium ion battery used in the CRS451/CRS456 will
abruptly decrease at the end of the battery’s useful life, which makes predicting
remaining battery life difficult by measuring battery voltage alone. Knowing
the energy consumption of the CRS451/CRS456 while in operation, HydroSci
displays a predicted remaining battery life by combining an estimate of the
energy consumed based on the totalized measurements since new and direct
battery measurements. For this reason, if the battery is removed from the
CRS451/CRS456 anytime during deployment and then replaced, HydroSci will
assume a fresh battery was added to the device and the estimated remaining
battery life will be overstated.
For similar reasons, if the operating system is upgraded or sent to the
CRS451/CRS456, the estimated remaining battery life will also be exaggerated
by HydroSci.
6.7 Attaching Suspension Cable to CRS451/CRS456
Attach the split ring to the CRS451 cap.
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