Orion 420 Weather Station
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Columbia Weather Systems, Inc.
SECTION 5: OPERATION
The Orion 420 outputs the following 8 parameters in 4-20 mA current
signals:
Channel 1: Wind Direction
Description: Instantaneous wind direction.
Range: 0 to 360 degrees
Channel 2: Wind Speed
Description: Instantaneous wind speed.
Range: 0 to 135 mph
Channel 3: Temperature
Description: Instantaneous temperature.
Range: -60 to +140°F
Channel 4: Relative Humidity
Description: Instantaneous relative humidity.
Range: 0 to 100%
Channel 5: Barometric Pressure
Description: Instantaneous barometric pressure.
Range: 17 to 33 inches Hg.
Channel 6: Peak Wind Speed
Description: Maximum wind speed in the last 1 second interval.
Range: 0 to 135 mph
Channel 7: Rainfall
Description: 0.001 inches rain accumulation. The sensor internal counter
will reset to zero inches when rainfall accumulation reaches 10.00 inches
or when power to the sensor is lost.
Range: 0 to 10.00 inches
Channel 8: Rain Intensity
Description: Instantaneous rain intensity. Running one minute average in
10-second steps.
Range: 0 to 8 inches/hour
