English
简体中文
Deutsch
Español
Product
Armored Thermocouple
- Product details
-
Models: WRNK, WRMK, WREK, WRFK, WRCK, WRPK
Features: Fast thermal response, reduced dynamic error; bendable for installation; wide measuring range; high mechanical strength, good pressure resistance.
Application:Used with display meters, recorders, computers to directly measure temperature of liquids, steam, gases and solid surfaces in production processes.
Working Principle:Electrodes consist of two different conductors. Thermoelectric EMF is generated when temperature difference exists between measuring and reference ends; instruments display corresponding temperature.
Temperature Range: -40°C ~ 1300°C (varies by model)
Mounting Types:No fixed device, fixed ferrule thread, movable ferrule thread, fixed ferrule flange, movable ferrule flange
Connection Head Types: Waterproof (jet-proof), circular plug, flat plug, handle, extension wire
Sensor Materials: PtRh10-Pt, NiCr-NiSi, NiCr-CuNi, Cu-CuNi, Fe-CuNiProduct Type Features Applications Waterproof Armored Thermocouple With waterproof performance, IP65 protection rating Suitable for industrial sites in humid environments or with waterproof requirements Round Plug-in Armored Thermocouple Adopts round plug-in connection mode, easy to install and maintain Suitable for occasions requiring quick connection and disconnection Flat Plug-in Armored Thermocouple Adopts flat plug-in connection mode, space-saving Suitable for installation environments with limited space Compensation Wire Type Armored Thermocouple Integrated compensation wire to reduce signal attenuation Suitable for long-distance temperature measurement Handheld Armored Thermocouple With handle design, convenient for handheld operation Suitable for temporary temperature measurement or on-site inspection
related products
Polyethylene Insulated Computer Cables
300/500V AC PE/XLPE insulated instrument...
Diaphragm pressure gauge with isolated d...
Stainless Steel Pressure Gauge
Stainless steel pressure gauge with SUS3...
311 Series Submersible Hydrostatic Level Transmitter
311 Series Submersible Hydrostatic Level...
Product Inquiry
Please leave your message, we will contact you quickly after receiving it, thank you for your support!
Q
What is a thermocouple?
A
Thermocouples are the preferred solution for extreme temperature applications. They consist of two dissimilar metal wires joined at the measuring end, generating a voltage proportional to the temperature difference.
Working Principle: When two different metals are connected, the thermoelectric effect produces a voltage at the junction. This voltage increases with rising temperature, allowing measurement via reference tables.
Key Advantages:
• Temperature Range: -270°C to 2300°C (depending on type)
• Fast Response Time (typically 0.1–10 seconds)
• Robust Construction, vibration-resistant
• Relatively Low Cost
• No External Power Required
Q
What is the difference between RTD and thermocouple?
A
• RTD (Resistance Temperature Detector): Based on the principle that a metal conductor's resistance increases with temperature, it converts resistance measurements into temperature readings.
• Thermocouple: Operates on the Seebeck effect, where two dissimilar metals in contact generate a thermoelectric voltage proportional to temperature differences.
Features
• RTD: High accuracy, stable signal, excellent linearity, ideal for low to medium temperatures.
• Thermocouple: Simple structure, fast response, high-temperature resistance, wide measurement range.
Pros & Cons
• RTD Pros: High precision, strong anti-interference, reliable low-temperature performance.
Cons: Limited upper temperature range, bulkier size, slightly slower response.
• Thermocouple Pros: Broad temperature range, high-temperature tolerance, rapid response, suitable for moving/surface measurements.
Cons: Lower accuracy at low temperatures, requires cold junction compensation, weaker signal prone to interference.
