
CS125 Present Weather Sensor
22
Value represented by an integer number of the current number of particle per minute.
(-99 indicates either an error or that the sensor has been powered less than one minute)
Value represented by a single precision value of the last hours rainfall intensity in
millimetres (-99 indicates either an error or that the sensor has been powered up less
than minute)
SYNOP weather code for the last minute as defined by the WMO code table 4680.
(-1 indicates either an error or that the sensor has been powered up less than a minute)
METAR weather code for the last minute as defined by the WMO code table 4678.
External temperature in degrees Celsius
External relative humidity in %RH (-99 indicates either a fault or no CS215 T/RH
sensor is connected)
11.4 Example CS125 message outputs
Basic format (visibility only)
0 9 0 6682 M ABCD
SYNOP present weather partial format
4 9 0 60 6682 M 0 0 54 4.5 63 20.2 91 ABCD
METAR present weather full format
8 9 0 60 6682 M 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 54 4.5 63 +RA 20.2 91 ABCD
Where:
9 is the sensor id
60 is the message interval (60 seconds)
6682 is the visibility in metres
M is the visibility units (metres)
54 is particle count
4.5 is intensity (4.5 mm/hr)
63 is the SYNOP code (heavy rain)
+RA is the METAR code (heavy rain)
20.2 is the temperature (20.2 deg. C)
91 is the RH (91%)
ABCD is the checksum
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