PT100 Temperature Sensor Waterproof Silicone Cable
Available Cable Lengths: 1m, 2m, 3m, 5m, 10m, 15m and 20 meters

RTD Resistance Temperature Detector

Specification:
  Type: PT100
  Measuring range: -50°C ~ +250°C
  Probe dimensions: 6 x 51mm
  Probe material: stainless steel
  Conductor jacket: silicone
  Wires: 3 (you may use it as 2-wire also)