Kemo M173 – Soil Humidity sensor 12 V/DC battery switches your garden irrigation pump or the magnetic valve on when the soil is dry and switches off when there is enough humidity in the soil. Download Data sheet.
The measuring head has to be buried into the ground at the depth where it shall measure and has to be connected with the basic device via a cable. Approx. 2 m of cable are included. The sensor cable may be prolonged up to 20 m with normal 2-pole cable.
Technical data:
– Voltage 12 V / DC stabilized
– Display 3 LEDs: “On” … “Off “…” Pause”
– Relay contact: 1 x on max. 3 A (up to 25 V or 230 V / AC, see description)
– Connections: screw terminals
– Time delays: approx. 18 to 30 minutes in each case
– The shift limit is set steplessly
– Must be installed in a dry place.
– Dimensions of the soil moisture sensor diameter of approx. 30 x 64 mm plus 2 galvanized metal legs approx. 4 x 40 mm
– Dimensions: 72 mm x 50 mm x 28 mm (without fastening band)