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AES SERVICE

CUSTOM THERMOCOUPLE MANUFACTURER

AES Precision-Built Thermocouples for Environmental Testing and R&D Applications

Custom Thermocouples Built for Your Application

Temperature measurement is only as accurate as the sensor behind it.

AES manufactures custom thermocouples for environmental chambers, laboratories, manufacturing, and research facilities. Because every testing application has unique requirements, each thermocouple is built to your exact specifications. This includes wire gauge, length, connector configuration, and thermocouple type.

Rather than relying on standard stock part numbers, we manufacture every assembly to order, ensuring the right fit and reliable performance for your equipment.

Manufacturing Capabilities

AES manufactures custom thermocouples in gauges 40 AWG and larger, covering the vast majority of laboratory, environmental testing, and industrial applications.

Available options include:

  • Type K thermocouples
  • Type T thermocouples
  • Type J Thermocouples
  • Custom wire lengths
  • Bare-wire assemblies
  • Standard and custom connector configurations
  • Environmental chamber replacement thermocouples
  • Prototype and production quantities

Choosing the Right Thermocouple

Type K Thermocouples

Type K is the industry standard for environmental testing due to its broad operating temperature range and durability.

Ideal for:

  • Environmental test chambers
  • Thermal cycling
  • Product qualification testing
  • General laboratory testing
  • Manufacturing quality testing
Type K thermocouple

Type T Thermocouples

Type T thermocouples provide excellent accuracy, particularly at lower temperatures, making them well-suited for applications where measurement precision is critical.

Ideal for:

  • Laboratory testing
  • Research & Development
  • Calibration applications
  • Low-temperature testing
Type-T Thermocouple

Type J Thermocouples

Type J thermocouples are commonly used for moderate-temperature applications and offer reliable performance in industrial and laboratory environments. They are well-suited for applications where iron-constantan thermocouples are preferred and provide dependable temperature measurement across a wide range of testing processes.

Ideal for:

  • Industrial process testing
  • Manufacturing quality control
  • Laboratory testing
  • Environmental testing
  • General-purpose temperature measurement
TYpe J thermocouple

Why Choose AES

In-House Manufacturing


Manufactured in the USA by AES, our custom thermocouples are built with precision, allowing us to maintain strict quality standards while delivering faster lead times than third party manufacturers. 

Built to Your Specifications


Every assembly is customized to meet your application requirements, including:

  • Wire gauge
  • Wire length
  • Connector style
  • Bare wire or terminated assemblies
  • Thermocouple type
  • Quantity

Fast Turnaround With AES


When a thermocouple fails, every hour of downtime matters. Our in-house manufacturing helps reduce lead times so your testing schedule stays on track.

Designed for Environmental Chambers


AES manufactures replacement thermocouples specifically for environmental test chambers. Built to match your chamber's dimensions and installation requirements, our custom assemblies provide a dependable fit while minimizing maintenance downtime.

Coming Soon

Expanded ISO/IEC 17025 Accredited Calibration Capabilities

AES is expanding its ISO/IEC 17025 accredited calibration services to include calibrations for all thermocouple types, along with industrial RTD's comparison calibrations. Once our updated scope of accreditation is approved, customers will benefit from accredited temperature calibrations spanning −95°C to 250°C — even greater support for laboratory, environmental testing, and research applications.

Request More Information →
Accredited Range
−95°C to 250°C
All Thermocouple TypesIndustrial RTD's

Frequently Asked Questions

Have Question? We are here to help

What is a thermocouple?

A thermocouple is a temperature sensor made from two dissimilar metal wires joined together. It measures temperature by generating a voltage that corresponds to changes in heat, making it one of the most widely used sensors for industrial, laboratory, and environmental testing applications.

What wire gauges are available?

AES manufactures thermocouples in gauges 40 AWG and larger, covering the vast majority of laboratory, environmental testing, and industrial applications.

What thermocouple types does AES manufacture?

AES manufactures custom Type K, Type T, and Type J thermocouples for environmental chambers, laboratories, research facilities, and industrial testing applications.

Why choose a custom thermocouple instead of a standard one?

Custom thermocouples are designed specifically for your equipment and application, providing a better fit, simplified installation, and reliable temperature measurements. Custom manufacturing also eliminates the need to compromise on wire length, connector style, or other critical specifications.