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Mineral Insulated Resistance Thermometers - Pt100 Sensors

What is a Mineral Insulated RTD Pt100?

Mineral insulated RTD Pt100 sensors combine precision platinum resistance elements with durable, compact mineral insulated sheaths. They deliver reliable temperature measurement in industrial, scientific, and OEM applications, even under challenging conditions.

TC has been a trusted manufacturer and supplier of RTD Pt100 sensors for more than 50 years, serving manufacturers, OEMs, and research laboratories across the United States.

Our experienced engineers are ready to support you from initial consultation through delivery, helping you select the right temperature sensor to match your specific application.

with Basic End Seal
0.125" to 0.313" dia.

Internal basic end seal with Pot Seal
0.062" to 0.313" dia.

A large selection of plain and threaded pot seals supplied with tails or extension Wire (PVC, FEP, Fiberglass etc.) with Miniature Plug
0.062" to 0.313" dia.

Fitted with a miniature thermocouple plug rated to either 428°F or 660°F (220ºC or 350ºC) with Standard Plug
0.062" to 0.313" dia.

Fitted with a standard thermocouple plug rated to either 428°F or 660°F (220ºC or 350ºC) with Lemo Connector
0.062" to 0.313" dia.

Fitted with a size 1 Lemo plug
or jack with Terminal Entry Gland
0.062" to 0.313" dia.

Terminated with a 16mm ISO x 1.5mm compression gland seal supplied with tails or extension Wire (PVC, FEP Fiberglass etc.) with Micro die cast alloy head 0.125" to 0.250" dia.

Micro die cast alloy screw down terminal head with ceramic terminal block. Suitable for simplex and duplex assemblies with Miniature IP67 die cast alloy head 0.125" to 0.313" dia.

Weatherproof die cast alloy screw top terminal head with ceramic terminal block. Suitable for simplex and duplex assemblies with Standard IP67 die cast head 0.188" to 0.313" dia.

Weatherproof die cast alloy screw top terminal head with ceramic terminal block. Suitable for simplex, duplex and triplex assemblies with IP67 heavy duty cast iron head 0.188" to 0.313" dia.

Weatherproof cast iron screw top terminal head with ceramic terminal block. Suitable for simplex, duplex and triplex assemblies with IP67 Bakelite head
0.188" to 0.313" dia.

Weatherproof Bakelite screw top terminal head with Bakelite terminal block. Suitable for simplex, duplex and triplex assemblies with alloy straight through head 0.188" to 0.313" dia.

Die cast alloy straight through terminal head with Bakelite terminal block. Suitable for simplex and duplex assemblies with 316 Stainless Steel head
0.188" to 0.313" dia.

Weatherproof 316 stainless steel screw top terminal head with ceramic terminal block. Suitable for simplex and duplex assemblies with BUZ-H style top hat head
0.188" to 0.313" dia.

Weatherproof die cast alloy screw down 'flip' terminal head. Mainly used for duplex assemblies where up to two transmitters/blocks can be fitted with spring loaded terminal block 0.125", 0.188", 0.250" and 0.313" dia.

Spring loaded insert assemblies. The end seal is incorporated into a terminal block for mounting into any standard terminal head