Symptom:
Reported data values are lower than expected.
Solution:
1. Ensure that the filter is clean and allows water to flow through it.
2. Check that the tipping mechanism can move freely.
3. Use a voltmeter on the switch to verify that the switch is activated as expected while
transitioning from one side to the other. While the tipping mechanism is in its resting
positions, the voltmeter should read 3 to 5 V. When at the mid-point as it transitions from
one side to the other side, the voltmeter should read 0 V.
4. Ensure that the RainVUE-series is level. The RainVUE 10 has a bubble level next to a leveling
foot; the RainVUE 20 bubble level is visible after removing the funnel.
5. Check that the wires and connections between the switch and the interface are secure.
6. Verify that no obstacles are preventing rain from entering the funnel.
Symptom:
Reported data values are higher than expected.
Solution:
1. Verify that the tipping mechanism is not stuck near the center of its movement from one
side to the other.
2. Verify that the wires and connections between the switch and the interface are secure.
3. Verify that the RainVUE-series is not under a structure that will drip into it.
For more information, refer to:
www.campbellsci.com/videos/sdi12-sensors-transparent-mode
www.campbellsci.com/videos/sdi12-sensors-watch-or-sniffer-mode
RainVUE-Series SDI-12 Precipitation Sensors
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