Chapter 3 ______________________________________________________ Functional Description
VAISALA_______________________________________________________________________ 33
The precipitation sensor operates in four modes:
- Precipitation Start/End mode:
Transmitter automatically sends a precipitation message
10 seconds after the recognition of the first drop. The messages are
sent continuously as the precipitation proceeds and stop when the
precipitation ends.
- Tipping bucket mode:
This mode emulates tipping bucket type precipitation sensors.
Transmitter sends automatically a precipitation message when the
counter detects one unit increment (0.1 mm/0.01 in).
- Time mode:
Transmitter sends automatically a precipitation message in the
update intervals defined by the user.
- Polled mode:
Transmitter sends a precipitation message whenever requested by
the user.
For details about the precipitation sensor operation, see Precipitation
Sensor on page 138.
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