SR50A Sonic Ranging Sensor
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Do not use this option on the SR50A sensor unless the SR50A
is sent valid temperature reading via the Temperature Input
command.
3.7.5 Distance to Ground
A valid distance to ground must be entered when the SR50A is
configured to output snow depth values. The value must be in
Meters regardless of the output units that are selected.
If the exact value cannot be obtained it is better to slightly
overestimate the value rather than underestimating it. If a
Distance to Ground value is too small, the SR50A will output
an error value as the snow surface should not be below the
ground surface.
3.7.6 Measurement Interval Units
This setting is only applicable if either the
Auto Measure
Polled Output
or the
Auto Measure Auto Output
Modes are
used. The options for the Measurement Interval Units are:
Seconds
Minutes
Hours
Once a unit type is selected the number of units for the interval
is set by changing the
Measurement Interval Value
parameter.
A 60 second interval can be set by setting the units to seconds
and the
Measurement Interval Value
to 60. Alternately, the
Measurement Interval Unit
could be set to Minutes and the
Value could be set to 1. The Value setting can only range from
1 to 255.
3.7.7 Measurement Interval Value
This setting is only applicable if either the
Auto Measure
Polled Output
or the
Auto Measure Auto Output
Modes are
used. The
Measurement Interval Value
can range from 1 to
255. The units used for the value is set by the
Measurement
Interval Units
.
