Temprel, Inc. is a Michigan-based manufacturer of high-quality temperature sensors and related components. Since 1968, Temprel has specialized in providing reliable temperature measurement solutions for demanding testing, research, industrial, and production applications.

Proudly made in Michigan and ISO 9001:2015 certified, Temprel offers both standard products and highly customizable solutions designed to meet specific application requirements.

Products & Capabilities

• Custom and standard thermocouples
• RTDs
• Thermocouple wire
• Thermocouple extension harnesses
• Standard and miniature thermocouple connectors
• Compression fittings
• Custom fittings and mounting solutions
• Brass hose couplings
• Thermowells
• Brake and rubbing thermocouples
• Engineered temperature-sensing products
• Thermocouple calibration with NIST traceability

Temprel supports customers across a wide range of industries and applications, including automotive research and development, EV and battery testing, aerospace, diesel engine testing, laboratory and research environments, boiler and furnace applications, plastic injection molding, gas turbine exhaust, kilns, process testing, and other industrial applications.

With decades of manufacturing experience, Temprel’s team can help customers move from a unique temperature-measurement challenge to a custom, manufacturable solution.

Customers can also shop products online, view current pricing and stock availability, request quotes, track orders and shipments, and manage account information through Temprel.com.

Explore our products and capabilities:
Visit Temprel.com

View the latest Temprel Product Catalog:
Temprel 2025 Catalog