Leaf wetness-dew-sensor BLN with standard output 4..20mA

  • determination of dew and surface wetness on leaves
  • sensor for plant protection module
  • standard Output 4mA = 0% = dry / 20mA = 100% = wet
     Order number
  • Leaf wetness sensor: 10134-B
  • Dew sensor: 10134-T

The leaf wetness sensor serves to determine dew and surface wetness on leaves. An absorbent test sheet fastened in the sensor takes up the rain water and forms an electrical resistance dependent on the wetting degree. This resistance is measured in connection with two Crozat electrodes and from this the leaf wetness is calculated in %, as well as the leaf wetness duration in minutes .

The leaf wetness sensor operates with a test sheet from a special paper felt. This test sheet must be checked and exchanged in regular intervals (every three months).

By the standard current output the sensor is therefore easy in the automation range applicable.


     Technical data
Measuring range: 0... 100%

Range of application: 0... +60°C

Weight: 0.3kg

Electrical Output: 4 ... 20mA
Operating voltage (brown): +15... +30 V DC 
ground GND (white), 
shield (blue)
shielded two-wire cable: 2m 

Overall size: L x W x H 250 x 60 x 20 mm


all measurements are in millimeters


     Messen, Steuern, Regeln mit diesem Sensor...   =>    UNIKLIMA® vario

Bitte prüfen Sie auch, inwieweit unsere automatische, netzwerkfähige Meßwerterfassungs- und Steuereinheit UNIKLIMA® vario Ihre Anforderungen bereits umfassend erfüllt.

  • Klimadatenerfassung
  • Prozeßführung und -überwachung, Alarmmeldung generieren und aufschalten

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Last update: 20.06.2024