Submersion pt100 thermocouple 1.-200 C to +420 C 2.PTFE protective probe 3.water proof and coorrosion proof. Submersion pt100 thermocouple 1. Subermersion pt100 thermocouple temperature range: -200 C to +420 C 2. Subermersion pt100 thermocouple Probe is protected by teflon tube for water proof and corrosion proof 3.subermersion pt100 thermocoupleProbe dia and length can be tailor as your request ...