Specialist and Reduced Tip MI Thermocouples

TRM can offer thermocouple drawdown units to your specifications. Drawdown units (a.k.a. shoulder reduced thermocouples) are available in a variety of sheath materials, insulation powders, conductor (t/c type) and cold seal configurations down to 0.5mm diameter.

We can also provide a range of mineral insulated thermocouple tip options, such as exposed tip thermocouples and welded tip thermocouples. 

Sheath materials: Inconel (Alloy 600), SS310, SS321, SS316L, Nicrobell
Thermocouple types: K, N – other conductor types are available
Calibration on-site to: IEC584- Tolerance classes 1 & 2, special limits, ½ tolerance

To specify an MI thermocouple drawdown unit please make sure to have the following information in hand:

• Application
• Thermocouple conductor type
• Junction type (exposed, insulated or bonded)
• Accuracy (class 1, class 2)
• Reduced diameter and length (L2)
• Start diameter and overall length (L1)
• Cold seal arrangement
• Flexible lead length/connector style

Please contact us for more information.