
Operating Manual
Smart Weather Sensor
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
47
13.1.10 Leaf Wetness WLW100
Measurement process:
capacitive
Measuring range:
0 ... 1500 mV
Sampling rate:
1 minute
13.1.11 External Temperature SensorWT1 / WST1
Measurement process:
NTC
Measuring range:
-40°C ... +80°C
Resolution:
0.25°C
Sensor accuracy:
+/- 1°C (WST1: +/-0.3°C between -10°C ...+10°C)
Sampling rate:
1 minute
Units:
°C; °F
13.1.12 External Rain GaugeWTB100
Measurement process:
Rain Gauge with bounce-free reed contact (normally
closed)
Liquid precipitation resolution:
0.2 mm / 0.5mm (adjustable by reduction ring)
Precipitation types:
Rain
Accuracy:
2%
Sampling rate:
1 minute
In principle, all rain sensors with bounce-free reed contact (normally open or normally
closed) and with a resolution of 0.1 mm, 0.2 mm, 0.5 mm or 1.0 mm can be used.