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Sensors • Temperature Sensors • Thermocouples • Mineral Insulated Thermocouples

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  • Watlow

    Watlow mineral insulated thermocouples in the following styles: AS wafer head, AR connection head, AQ miniature transitions, AC plug/jack termination, and AB cut/stripped. These thermocouples can handle diameters down to 0.010", temperatures up to 2,200°F, and initial calibration tolerances per ASTM E230. Applications include food processing, catalytic reformers, oil processing, rocket engines, atomic research, nuclear reactors, power stations, bearing temperature, etc.

  • Nordic Sensors, Inc.

    Nordic Sensors, Inc. offers mineral insulated melt bolt thermocouples in the following configurations: rigid, plastic handle, standard, fixed, and adjustable. Model K2 rigid thermocouples feature operating temperatures ranging from -200 to +500°C, length options ranging from 3" to 6", U-tip diameters ranging from flush to 0.250", and insertion depths up to 1".

  • Precision Measurements, Inc.

    Precision Measurements, Inc. offers custom mineral insulated thermocouples for difficult or special applications. These thermocouples feature a wide range of metal sheaths, wires with single to triplex elements, and hard-packed magnesium oxide insulation. They are useful at high pressures/temperatures, small in sized, and easily formed.

  • Temperature Specialists, Inc.

    Temperature Specialists, Inc. offers transition and connector style MgO insulated thermocouples. Transition style thermocouple assemblies come in shaft lengths ranging from 0" to 7/8", sheath lengths ranging from 0 to 999", and sheath diameters ranging from 0.040" to 0.250". These thermocouples are constructed from the following materials: hastalloy, monel, inconel, 304 stainless steel, 316 stainless steel, etc.

  • Convectronics

    Convectronics offers magnesium oxide insulated thermocouples for a variety of laboratory and process applications. These thermocouples come in a wide range of materials, diameters, and temperatures.

  • Omega Engineering, Inc.

    Omega Engineering, Inc. mineral insulated metal sheath thermocouples. These thermocouples feature metric lengths/diameters, a variety of termination accessories, and ugrounded, grounded, or exposed hot junction options. They come in sheath diameter sizes ranging from 1.59" to 6.35" and upper temperature guidelines ranging from 700 to 1650°F.

  • Cole-Parmer

    Cole-Parmer offers high temperature flexible/insulated wire thermocouples. in a variety of configurations, including ceramic fiber, fiberglass, stripped end, mini-connector, etc. Type K high-temperature ceramic fiber-insulated thermocouples feature temperature ranges from -418 to 2500°F, 60" probe lengths, 0.4" diameters, and exposed junctions.

  • Thermal Corporation

    Thermal Corporation offers MI thermocouple probes in a variety of configurations. Model 225 thermocouple probes feature feature 3/4" NPT female threads, cast aluminum heads, and 1/2" x 1/2" NPT fittings.

  • ARi Industries

    ARi Industries offers MgO insulated thermocouples for extreme temperature and harsh atmosphere applications. These thermocouples come in sheath diameters ranging from 0.020" to 0.750", wire diameters ranging from 0.004" to 0.120", and lengths ranging from 13" to 290". They can handle temperatures ranging from 900 to 1410°C, and they are constructed from the following materials: copper, chromel, iron, hastelloy, stainless steel, inconel, etc.

  • Durex Industries

    Durex Industries offers mineral insulated thermocouples for the packaging, food service, and semiconductor processing industries. These thermocouples feature a compact/durable design, extreme thermal shock prevention, contamination resistance, and operational temperatures up to 2,400°F. They are constructed from iron, cast aluminum, alloy, and stainless steel materials.

  • Thermocouple Technology, Inc.

    Thermocouple Technology, Inc. offers TECPAK MgO insulated thermocouples constructed from hastelloy, tantalum, titanium, stainless steel, and monel materials. These thermocouples come in diameters ranging from 0.020" to 0.625", and they are capable of direct process insertion.

  • Therm-X

    Therm-X offers mineral insulated vacuum thermocouple with KF flanges constructed from copper constantan, chromel aluminum, iron constantan, 304SS, and 316SS materials. These thermocouples feature ungrounded/grounded single junctions, sheath OD sizes ranging from 0.040" to 125", and temperature limits ranging from 400 to 1300°F.

  • National Plastic Heater

    National Plastic Heater offers MgO insulated thermocouples in a variety of configurations, including open terminal disc, process head, plug, 1" stripped end, insulated lead-wire, etc. These thermocouples come in ungrounded, grounded, or exposed junction types, and they feature the following plug type options: special, high temperature, ceramic, miniature, and standard.

  • Thermo-Couple Products Co, Marsh Bellofram Group

    Thermo-Couple Products Co. offers mineral insulated thermocouples constructed from inconel, 304 stainless steel, and 316 stainless steel materials. These thermocouples come in diameter sizes ranging from 0.020" to 0.375" and operating temperatures ranging from 500 to 2200°F.