Standard Round Two Pin Thermocouple Connectors – Rated to 350°C

What is a thermocouple wire connector?

A thermocouple wire connector is a device used to connect thermocouple wires, such as those found in type K or type T thermocouples, together or to connect thermocouples to instrumentation, control systems, or extension cables. It ensures a reliable electrical connection between the solid wires, maintaining accurate temperature measurements. Thermocouple wire connectors are designed to match specific thermocouple types like K, J, or T for proper compatibility and functionality. They are often made with materials like ceramic fibre to withstand high temperatures.

What are two pin connectors?

Two-pin connectors are electrical connectors with two pins, or terminals, used to establish an electrical connection between two devices or components, such as thermocouple sensors and power supplies. They are simple and commonly used for basic electrical connections in various applications. These connectors can be found in thermoplastic or PVC materials and may adhere to IEC standards for safety and quality.

What is a thermocouple connector?

A thermocouple connector is a specialised electrical connector designed to join thermocouple wires or mineral insulated cables. It's made from materials that match the thermocouple type, such as type K or type J, to maintain accuracy. These connectors, ensure proper polarity and minimise temperature measurement errors caused by unwanted junctions. They come in various shapes and sizes, with a maximum cable diameter, to suit different applications and environments, and can include accessories like pressure gauges for monitoring system pressure.

Do thermocouples need special connectors?

Yes, thermocouples generally require special connectors. Standard electrical connectors can introduce unwanted junctions and temperature gradients, leading to measurement errors. Thermocouple-specific connectors are made from materials matching the thermocouple type, such as type K or type T, maintaining the circuit's integrity. They also ensure proper polarity, often include colour coding for easy identification, and may feature a terminal head for easy wiring. Using the correct connector is crucial for accurate temperature measurements and to prevent short circuits.

What are the different types of thermocouple connections?

Thermocouple connections come in various types: 1. Standard thermocouple connectors (e.g., miniature, standard, and giant sizes) 2. Screw terminal blocks, often found in terminal heads 3. Compression fittings, suitable for various cable diameters 4. Bayonet mounts, for quick and secure connections 5. Quick-disconnect connectors, for easy installation and removal 6. Panel-mount connectors, for integration into control panels 7. Exposed junction, for fast temperature response 8. Grounded junction, for electrical grounding and improved stability 9. Ungrounded junction, for electrical isolation Each type serves specific needs in terms of size, environmental protection, ease of use, and application requirements. Some connectors may include additional features like PTFE insulation for chemical resistance.

How do you wire a thermocouple plug?

To wire a thermocouple plug: 1. Identify the positive and negative wires (often color-coded) of your thermocouple type, such as type K or type J 2. Strip the wire ends carefully, avoiding damage to the conductors 3. Insert the positive wire into the designated terminal (usually marked +) of the plug or terminal head 4. Insert the negative wire into the other terminal 5. Tighten the screws securely, ensuring good contact and proper polarity 6. Double-check polarity and connection tightness to prevent short circuits 7. Close the plug housing if applicable, ensuring a secure fit with any accessories like gauges Always follow manufacturer instructions for specific plug types and consider calibration for accurate temperature measurements.