External temperature sensor for thermostatsDESCRIPITON Thermister temperature sensors are made of Negative Temperature Co-effi cient (NTC) embedded in a PVC or metal sleeve with a thermally-conductive sealer. Silicone insulation for use in high temperature applications.TECHNICAL PARAMETERS Cable VO3SS-F 2Dx0.5mm /0.02” with silicone insulation for use in. Cover IP67.