The **M2TT-36-R2/N** is a specific type of thermocouple extension wire or thermocouple assembly, typically associated with temperature measurement and control systems. Based on the part numbering convention (commonly used by manufacturers like Omega Engineering), here is the technical breakdown of its electronic and physical components. --- ## Technical Specifications | Feature | Specification Details | | :--- | :--- | | **Thermocouple Type** | **Type T** (Copper / Constantan) | | **Length** | **36 Inches** (approx. 914 mm) | | **Termination** | **R2** (Typically refers to #2 Spade Lugs) | | **Insulation Material** | **PFA/Teflon (M2)** - High chemical and moisture resistance | | **Gage** | Usually **20 or 24 AWG** (standard for this series) | | **Connector Type** | **/N** (Typically denotes a standard or molded connector variant) | --- ## Key Electronic Components ### 1. Thermocouple Conductors (Type T) The core of this part consists of two dissimilar metals: * **Positive (+) Wire:** Copper (Pure Copper). * **Negative (-) Wire:** Constantan (Copper-Nickel alloy). * **Function:** It utilizes the **Seebeck Effect** to generate a small millivolt (mV) signal proportional to the temperature difference between the measurement junction and the reference junction. ### 2. PFA Insulation (M2) The "M2" designation refers to the insulation jacket: * **Material:** Perfluoroalkoxy (PFA). * **Properties:** Excellent dielectric strength, high temperature resistance (up to 260°C / 500°F), and inertness to most acids and oils. ### 3. Termination (R2) The "R2" suffix describes the electrical connection point: * **Spade Lugs:** These are U-shaped metal connectors crimped onto the end of the wires. * **Usage:** Used for secure screw-terminal connections on PLCs, temperature controllers, or terminal blocks. --- ## Application and Usage This part is designed for precision temperature measurement in specific environments: * **Cryogenic Applications:** Type T is the preferred choice for sub-zero temperatures (down to -270°C). * **Laboratory Settings:** High accuracy due to the stability of Copper/Constantan. * **Moist Environments:** The PFA insulation ensures the electronic signal is not compromised by moisture or chemical exposure. ---