Campbell Scientific PWS100 Present Weather Sensor User Manual
Page 44

Section 7. Operation
TABLE 7-2. Message Field parameters
Message
Field
Parameter Output
34
External sensor (Aux)
40
Precipitation intensity (mmh
-1
)
41 Precipitation
accumulation
42
Drop size distribution bin values (0.1 mm increment
per value)
43 Average
velocity
(ms
-1
), average size (mm)
44 Type
distribution
45
Size / velocity map type 1 (20
× 20)
46
Size / velocity map type 2 (32
× 32)
47
Campbell Scientific standard size / velocity map (34
× 34)
48
Peak-to-Pedestal ratio distribution histogram
49
Visibility range, in meters, averaged over 10 minutes
100
Internal LED temperatures: upper LED, lower LED
101
Internal detector temperatures: upper, lower
102
Laser hood temperature, laser temperature and laser
current
103
DC offsets: upper, lower, laser
104
Dirty window: upper, lower, laser
105
Battery voltage, hood %, dew %
106
Upper and lower detector differential voltage (mV) and
calibrated visibility voltage (mV)
150
Device s/n, operating system and hardware versions
151
Date and time: day count (from 01/01/2007) HH MM SS
152 Product
name
“PWS100”
153 Statistics
period
(s)
154
Watchdog count, maximum particles per second, particles
not processed, time lag
155 Processing
statistics
156
Year, month, day
157
Hours, minutes, seconds
158
Averaged corrected visibility voltage (mV) and average
upper head voltage (mV)
159 CRC16-CCITT
Checksum
7-8