40
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Specifications
Specifications
1
On an SDI12 network
Volumetric Water Content (%vol)
Accuracy
± 3%
from 5 to 100% vol, EC
b
0 to 500 mS/m
(with a calibration matching the soil / substrate)
Operating range
0 to 100% vol
Soil conductivity (ECb))
Accuracy
±(10 mS/m + 6%)
from 0 to 1200 mS/m
Operating range
0 to 2000 mS/m
Temperature
(WET150 must be fully buried to accurately measure soil
temperature)
Accuracy
± 1°C
Range
Accurate range: -20 to+ 50°C
Full range: -20 to +60°C
Operating specifications
Interface
SDI-12 version 1.3
Maximum cable
length
1
>600 m see page 14
Power requirement
6 to 20 V, ~22 mA over 12 ms
see page 26
Operating range
-20 to +60°C (sensor does not detect ice)
Environmental
IP68
Sample volume
55 x 70 mm diameter
Dimensions
143 x 40 mm diameter
Weight
77 gm (without cable)
