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MPTC-01 Miniature Multipoint Thermocouple with Lead Wire

SKU: MPTC-01
Multipoint-Temperatruee Profiling

MPTC-01 Miniature Multipoint Thermocouple with Lead Wire

Compact Multipoint Thermocouple for Temperature Profiling and Gradient Monitoring at Multiple Sensing Points

Monitor temperature at multiple points with a single compact sensor assembly. The MPTC-01 Miniature Multipoint Thermocouple uses MGO-PAC mineral-insulated sensing elements positioned at specified locations along the probe, providing a detailed temperature profile where a single measurement point is not enough. With configurable sensing-point locations, sheath sizes, junction styles, process fittings and lead-wire terminations, the MPTC-01 can be tailored for demanding industrial processes requiring temperature uniformity and gradient monitoring.

Multiple Sensing Points

Measures temperature at multiple locations along a single sensor for detailed temperature profiling

Miniature Multipoint

Compact construction allows multiple temperature measurements within one probe assembly

Custom Sensing-Point

Each sensing point can be positioned at a specified distance from the probe tip to match the required process measurement locations

Up to 40 Sensing Points

Depending on tube diameter and thermocouple size, configurations with up to 40 temperature measurement points are available

MGO-PAC Construction

Mineral-insulated thermocouple elements provide a rugged construction for industrial multipoint temperature measurement

Type J, K & N

Multiple thermocouple types are available to suit different process temperature requirements

Download Datasheet

Quick Specifications

Sensor Type Miniature Multipoint Thermocouple with Lead Wire
Thermocouple Types Type J, K or N
Sensor Construction MGO-PAC mineral-insulated multipoint thermocouple
Number of Sensing Points Application-specific; up to 40 points depending on tube and thermocouple size
Sensing Point Location Individually specified distance from the sensor tip
Measuring Junction Grounded or Ungrounded
Ideal for
Pilot Plants
Reactor Temperature
Process Vessel
Heat Treatment
Petrochemical
Research & Test
OEM Thermal Process
Temperature Mapping
The MPTC-01 Miniature Multipoint Thermocouple is intended for use in situations in which it is necessary to measure temperature at several positions along a single sensor assembly. Rather than having only one point of measurement, the use of multiple sensing points enables engineers to obtain a better understanding of the temperature distribution and gradients over the entire process. Because of this, the MPTC-01 is well suited to applications in which temperature uniformity, process control and product quality are important.
The sensor is equipped with MGO-PAC mineral-insulated thermocouples, the individual sensing points being placed at predetermined distances along the probe. The sensing positions can be specified from the tip, which enables the unit to be customized to the particular equipment or process under observation. For different tube diameters, various configurations featuring multiple sensing points are available, the datasheet showing a capacity of up to 40 points for certain sizes.
The MPTC-01 can be ordered with thermocouple elements of Type J, K and N, as well as with junctions that are either grounded or ungrounded. The sheath diameters range from 1/8 in. to 3/8 in., together with a number of metric sizes. For the sheath material, the standard choices are 316/316L stainless steel and Inconel 600, and other materials are also available for specific process requirements.
Installation can be customized with NPT, BSP or metric process fittings, multiple fitting materials, and specified immersion lengths. Lead wires are available with Teflon or fiberglass insulation, with optional stainless-steel braiding for additional mechanical protection.
Several termination options are available, including bare ends, standard plugs, miniature plugs, high-temperature plugs, ultra-temperature plugs and ceramic plugs, along with matching jack options.
With its compact construction and configurable sensing-point locations, the MPTC-01 multipoint thermocouple provides a useful solution for monitoring temperature profiles and gradients over complex industrial processes where a single temperature measurement does not provide enough information.

Product Specifications

Review the standard specifications and available configuration options for the MPTC-01 Miniature Multipoint Thermocouple . Product dimensions, materials, temperature ratings, and optional features may vary depending on the selected configuration

Sensor TypeMiniature Multipoint Thermocouple with Lead Wire
Thermocouple TypesType J, K or N
Sensor ConstructionMGO-PAC mineral-insulated multipoint thermocouple
Number of Sensing PointsApplication-specific; up to 40 points depending on tube and thermocouple size
Sensing Point LocationIndividually specified distance from the sensor tip
Measuring JunctionGrounded or Ungrounded
Sheath Diameter1/8", 3/16", 1/4", 5/16", 3/8" plus metric options
Sheath Material316/316L ,Inconel 600
Immersion LengthCustom; specified in inches or millimetres
Process FittingOptional compression/process fitting
Termination OptionsBare ends, Standard Plug, Miniature Plug, High-Temperature Plug, Ultra-Temperature Plug or Standard Ceramic Plug; matching jack options available
Thread TypeNPT, BSP or Metric
Ferrule MaterialStainless Steel or Teflon
Lead LengthCustom; specified in inches or millimetres

Spare Parts & Accessories

Complete your installation with compatible mounting accessories, connectors, and replacement components for the MPTC-01 Thermocouple.

Image: CFT-Compression Thermocouple Fitting

CFT-Compression Thermocouple Fitting

Thermocouple fitting is used in applications where a thermocouple  needs to be connected to a an application,  control system, or other measurement instruments. The fitting ensures that the thermocouple wire is securely…

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Product Videos

Watch product overview, installation, and application videos for the MPTC-01 Thermocouple

Temperature Transmitter | Tempotech Controls Inc

A temperature transmitter takes the temperature data from a sensor, like an RTD or thermocouple, and converts it into a standard signal, usually 4-20mA or 0-10V. This signal can be sent to control systems, PLCs, or monitoring equipment to keep track of temperature in real-time.

Read transcript

Video Transcription: Temperature Transmitter Technology & Application
[00:05] A temperature transmitter is a critical component in industrial automation that converts low-level sensor signals into standardized outputs. This ensures accurate, reliable, and long-distance signal transmission for complex control systems.

[00:14] Thermocouple and RTD sensors are the industry standards for measuring the temperature of processed media. However, in challenging environments—characterized by high temperatures, electromagnetic interference (EMI), or long cable runs—the raw signals from these sensors can degrade.

[00:33] This signal degradation, often caused by wire resistance and electrical noise, can lead to inaccurate readings. To mitigate these issues, temperature transmitters are used to amplify, condition, and convert sensor data into a standardized 4-20mA output, ensuring high-integrity data across the plant.

[00:59] Several signal types are used depending on the application:

4 to 20 mA Analog Signal: The most common standard, highly resistant to noise and ideal for long distances.

0 to 10V: A common analog option, though more susceptible to signal loss over length.

Digital Signals (HART & Modbus): Used for advanced remote communication and diagnostics.

RS485/RS232: Essential for integrating transmitters with PLCs and SCADA systems.

[01:35] The Tempotech TT367 series temperature transmitters are engineered for versatility. They offer precise sensor-transmitter matching and robust protection against interference. Configurable via the HART protocol, these units allow for easy setup and reliable field operation.

[01:56] Key reliability features include open/short-circuit detection, incorrect wiring alerts, and NAMUR NE43 failure standards. The TT367 supports RTD, TC, Ohm, and Millivolt inputs, making it a universal solution for your instrumentation needs.

[02:26] With integrated dot-matrix displays and easy configuration options, our transmitters provide the precision you can trust. Contact our technical sales team today to find the best transmitter for your application.

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Related Resources

Post How Multipoint RTD Sensors Function in LNG Storage View resource → Post Why MgO Thermocouples Are Better Performers Than Ceramic Bead Thermocouples View resource → Post Multipoint Thermocouple Applications and Design Selection View resource →

Frequently Asked Questions

Find answers to common questions about the MPTC-01 Thermocouple

How many temperature sensing points can the MPTC-01 have?+

The MPTC-01 can be configured with up to 40 sensing points, depending on the sensor diameter and thermocouple size. Each sensing point can be positioned at a specified distance from the probe tip, allowing the sensor to be customized for the required temperature profile

Can each sensing point be positioned at a different location?+

Yes. The distance from the probe tip to each sensing point can be individually specified, allowing the sensor to match the required temperature profile of the process

Which thermocouple types are available?+

The MPTC-01 ordering table lists Type J, Type K and Type N thermocouples, with a special-limit-of-error option.

Should I select grounded or ungrounded sensing junctions?+

Both are available. A grounded junction connects the measuring junction to the sheath, while an ungrounded junction electrically isolates the thermocouple wires from the sheath. Selection should consider response, electrical isolation and instrumentation requirements.

What sheath diameter should I choose for a multipoint thermocouple?+

The MPTC-01 is available in several imperial and metric diameters. Selection depends on the number of sensing points, available installation space and process requirements. The maximum number of points also varies with tube size.

Can the immersion length and lead length be customized?+

Yes. Both immersion length and lead length can be specified in inches or millimetres, making the assembly configurable for OEM and replacement installations.

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