LAE 2-Wire PTC Probe part number QT1K20P1 with 2 metres connection lead. This 1000 ohm PTC sensor probe is one of the most common sensor input formats used on refrigeration and defrost digital controllers.
Can be used on any make of controller that requires a PTC 2 wire probe at 1k ohm resistance. The probe has a stainless steel probe end 6mm diameter, 20mm length.