Atoplee 1pc Stainless Steel Waterproof Pt100 Ohm Probe Sensor L 50mm Pt NPT 1/2'' Thread with Insulation Lead Wire Total length: 2080mm(6.82ft) Fixing thread PT1/2"(taper thread) Model NO. MR2170-1/2-50 Element Pt100(platinum) Lead wire Insulation: teflon (with electromagnetic shield) Temperature range: Normal[recommend](-50~200)degrees, Max.(-50~250)degrees Terminal contact 3EA (applied 3wire:A, B, b). Structure type without terminal head. Protection tube(probe part) Stainless steel 304. Fixxing thread Stainless steel 304. Waterproof. Model NO.: MR2170-1/2-50 Element Pt100(platinum)  L ead wire Insulation: teflon (with electromagnetic shield)  T otal length: 2080mm(6.82ft)  P rotection tube(probe part) length: 50mm(1.96&#034;)  P robe part diameter: 8mm(0.31&#034;) Lead length: 2000mm(6.56ft) Fixing thread PT1/2&#034;(taper thread) Temperature range: Normal[recommend](-50~200)degrees, Max.(-50~250)degrees Package Included: 1pc RTD Pt100 Waterproof Ohm Probe Sensor