Type T Thermocouple Temperature Sensor

Type T Thermocouple – Copper Constantan Temperature Sensor for Low-Temperature Precision Applications

Type T thermocouple is a high-accuracy temperature sensor designed for low-temperature and moisture-prone environments. Constructed from Copper–Constantan (Cu-CuNi) conductors and protected by a mineral-insulated sheath, it delivers excellent stability, repeatability, and long-term performance, especially in sub-zero and cryogenic applications.

Compliant with international standards such as IEC 60584 and ASTM E230, our type T thermocouples are widely used in food processing, pharmaceutical storage, environmental testing, laboratory equipment, and HVAC systems where precise low-temperature measurement is critical.

Main Types of Type T Thermocouple

At Huada, we specialize in high-quality Type T thermocouples known for their excellent accuracy, stability, and corrosion resistance. Besides, We provide a full range of Type T thermocouple products and accessories, with flexible customization services to meet your specific technical and environmental requirements.

      1. Type T Thermocouple Probes/Sensor

      2. T Type Plugs And Jacks

      3. T Type Thermocouple Wire

      4. Type T Thermocouple Extension Cables

      5. Type T Thermocouple Connector

       6. Type T Thermocouple Assemblies

       7. Type T Thermocouple Heads & Terminal Blocks

Key Features of Type T Thermocouple

• Temperature measurement range: -200°C to 350°C (continuous)

• Short-term temperature capability up to 400°C

• High-purity Copper / Constantan conductors for excellent accuracy and signal stability

• Superior performance in low-temperature and cryogenic environments

• MgO mineral insulated (MI) construction for fast response and reliable electrical insulation

• Laser-welded, hermetically sealed sensing tip for moisture resistance and long service life

• Excellent stability with low thermal drift

• Suitable for oxidizing, inert, and humid environments

• Strong anti-interference performance for industrial control systems

• Flexible, bendable structure with high mechanical strength

• Compatible with standard temperature controllers, PLCs, and data acquisition systems

• CE and RoHS certified

• Customizable probe diameter, length, sheath material, mounting thread, and connector type

Typical Applications

Type T thermocouples are commonly used in:

• Food and beverage processing

• Cold storage and refrigeration systems

• Pharmaceutical and vaccine storage

• Environmental chambers and climate testing

• Laboratory and scientific equipment

• HVAC and building automation systems

• Cryogenic and low-temperature measurement

• Medical and biotechnology equipment

Type T Thermocouple Specifications

Why Choose Our Type T Thermocouples?

With over 20 years of manufacturing experience, HUADA Group supplys reliable temperature sensors for global industrial and scientific applications.

• Monthly capacity: 50,000+ units

• Sample lead time: 3–7 days

• Mass production: 7–15 days

• Factory direct pricing

• Strict quality control and full calibration

• Fast technical support within 12 hours

• Full OEM & custom design available

Our Type T thermocouples are engineered for high accuracy, long-term stability, and dependable performance in low-temperature and high-moisture environments.

FAQ

1. What is a T-type thermocouple made of?

It consists of two metals: copper (positive leg) and constantan (negative leg, a copper–nickel alloy). This combination provides excellent stability, linear response, and dependable performance over low to moderate temperature ranges. Engineers often choose Type T thermocouples for laboratory experiments, refrigeration systems, food processing, and cryogenic measurements.

2. What is the temperature range of a T-type thermocouple?

A T-type thermocouple typically operates between –200°C and +350°C (–328°F to +662°F) for most industrial probes. Some thermocouple-grade wires handle slightly wider ranges, but the usable limits depend on factors such as sheath material, insulation type, probe design, and environmental conditions. In most industrial settings, –200°C to +350°C remains the safe, recommended range.

3. What is the T-type thermocouple color code?

According to ANSI/ASTM standards, a T-type thermocouple uses the following colors:

• Positive leg (Copper): Blue

• Negative leg (Constantan): Red
  Color codes can differ across regions or standards (for example, ANSI vs. IEC). To avoid wiring mistakes, always check the datasheet or labeling before connecting the thermocouple.

4. How accurate is a T-type thermocouple?

Type T thermocouples deliver strong accuracy and repeatability, especially in low-temperature ranges. Accuracy depends on the grade and tolerance class of the wire:

• Standard grade: about ±1.0°C

• Special Limits of Error (SLE): about ±0.5°C
  Actual results also depend on sensor construction, wire quality, calibration, and the measuring instrument. For high-precision work, using a calibrated or SLE T-type thermocouple ensures more reliable readings.

5. What is the measurement uncertainty of a T-type thermocouple?

The total measurement uncertainty comes from the entire system, not just the thermocouple. Main sources include thermocouple tolerance, cold junction compensation (CJC), instrument accuracy, calibration quality, and environmental influences. Since the sensor’s own tolerance is only one factor, conducting a full calibration and uncertainty analysis is essential for critical measurements.

6. How sensitive is this type thermocouple?

With a sensitivity of roughly 43 µV/°C near room temperature, a T-type thermocouple produces a relatively strong signal. This sensitivity allows it to deliver high resolution and stable readings, making it a reliable option for applications in science, medicine, refrigeration, and food temperature monitoring.

7. What is the difference between Type K and Type T thermocouples?

Related Products：