Campbell MetSENS Series - SDI-12 Measurements

Table 7-4: MetSENS550/MetSENS600 RS-485 registers
Starting register
number
Register
count
Data
format
Label Units Description
40001 2 FLOAT DIR °
Current, uncorrected
wind direction
40003 2 FLOAT SPEED m/s Current wind speed
40005 2 FLOAT COMPASSH °
Compass heading
of north mark
40007 2 FLOAT PRESS hPa Barometric pressure
40009 2 FLOAT RH % Relative humidity
40011 2 FLOAT TEMP °C Air temperature
40013 2 FLOAT DEWPOINT °C Dewpoint
40015 2 FLOAT VOLT VDC Supply voltage
40017 2 FLOAT AVGDIR °
5 min. average wind
direction, updated every 30s
40019 2 FLOAT AVGSPEED m/s
5 min. average wind
speed, updated every 30s
40021 2 FLOAT GDIR ° Direction of wind gust
40023 2 FLOAT GSPEED m/s
3 s wind gust,
updated every 30s
40025 2 FLOAT PRECIPT mm
Total accumulated
precipitation since powerup
40027 2 UNIT32 STATUS Sensor status code (p. 23)
7.2 SDI-12 measurements
The MetSENS-series sensors respond to the SDI-12 commands shown in Table 7-5 (p. 19). The
MC! commands are the same as the M! commands except a cyclic redundancy check (CRC) is
included.
MetSENS-Series Compact Weather Sensors 18