ETOR Gutter Sensor

The gutter sensor, ETOR-55, is designed for installation in gutters, downpipes, etc.

Product regions: Europe, Asia & South America, USA & Canada, Australasia & Africa

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ETORGutter sensor for moist detection

The sensor measures moisture only, and is mounted in combination with the outdoor temperature sensor, ETF, for temperature detection.

NTC sensor type: ETF-22/33/55/99

  • Sensor for temperature range -30 - +125°C.
  • Wide application range, commonly used for normal ambient temperatures.
  • Precision +/- 5% Ohms at 25°C, equal to +/- 1,2°C. RTemp at 25°C = 12 KOhm.
  • Sensor cables can be extende up to 200 meters without influence on the reading.

NTC 12 KOhm Calculator

Please enter values

Temperature °C  
Table offset °C





d Ohm


Product Documents

Product Catalogue 2024 Europe-Asia-South-America, English
File type/size:PDF ( 2.54 MB )
Product Catalogue 2024 North-America and Canada, English
File type/size:PDF ( 2.59 MB )
Product Catalogue 2024, Australasia / Africa, English
File type/size:PDF ( 2.41 MB )
Instructions, ETOR-55 (EN, DE, IT, FR, PL, RU, CZ, FI)
File type/size:PDF ( 445.65 KB )

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