Fast
Shipping
Quick,
Simple Ordering
Clear,
Upfront Pricing
Over 30,000
Happy Customers
Exceptional
Customer Service
Industry's Largest
Catalog
Thermocouple, Type J, Ungrounded Junction, 1/4in OD, 24in, Male Plug
Thermocouples are among the most widely used, reliable, and versatile devices for measuring temperature in both industrial and commercial settings. Their robust design and adaptability make them a go-to choice for applications ranging from simple processes to highly demanding environments.
A thermocouple works by converting heat into measurable electrical signals that can be used as input for process controllers, recorders, and monitoring systems. It consists of a welded 'hot' junction where two dissimilar metals—usually in the form of wires—are joined, and a reference junction located at the opposite end. When the 'hot' junction is exposed to temperature changes in the environment, a temperature gradient forms, generating an Electromotive Force (EMF). This EMF is measured at the free ends of the wires and converted into temperature readings using precise calibration standards. This mechanism allows thermocouples to deliver accurate temperature readings even in extreme conditions.
Type J thermocouples, specifically, are made from iron and constantan (copper-nickel alloy) and are ideal for environments with temperatures ranging from -200°C to 760°C (-328°F to 1400°F). They are commonly used in reducing atmospheres and are well-suited for applications such as heat treatment, furnaces, and industrial processes.
Key Features of the Type J Thermocouple:
- Ungrounded Junction: Ensures electrical isolation, reducing interference and improving accuracy in electrically noisy environments.
- Durable Construction: 1/4-inch outer diameter sheath for enhanced strength and longevity.
- Temperature Range: Capable of operating effectively between -200°C and 760°C (-328°F to 1400°F).
- Reliable Connector: Equipped with a male plug for secure and easy integration into existing systems.
- Custom Length: 24-inch sheath length, suitable for a wide variety of applications.
Applications: Type J thermocouples are versatile and can be used in industries such as:
- Heat treatment for metals
- Power generation
- Food processing and storage
- Chemical manufacturing
- Plastics and rubber extrusion
Why Choose Pyromation Thermocouples? Pyromation offers a wide range of high-quality thermocouples and replacement parts, suitable for most industrial and general-purpose applications. Our product lineup includes MgO (Magnesium Oxide) insulated thermocouples, as well as specialty assemblies for hazardous locations. We also provide customized thermocouple designs incorporating connection heads, protection tubes, thermowells, and transmitters to ensure functionality across diverse environments.
Additionally, our thermocouples are engineered to withstand temperatures ranging from -200°C to 2316°C (-328°F to 4200°F), making them reliable solutions even in extreme heat or cryogenic conditions.
Whether you need a single replacement thermocouple or a complete assembly for a complex system, Pyromation delivers unmatched quality, precision, and performance. Contact us today to learn more or to discuss your specific temperature measurement needs!