Duchin Sensor | Professional Thermocouple & RTD Manufacturer Since 1995

About Duchin Sensor

Duchin Sensor has been a leading manufacturer of thermocouples, RTDs, and temperature sensors since 1995. Based in Chongqing, China, we specialize in high-temperature measurement solutions for industrial, semiconductor, metallurgical, and energy applications.

As a committee member of the Standardization Administration of China (TC124/SC1 and TC419), we adhere to the highest quality standards. Our products are CE, ISO9001, and SIL2 certified, ensuring reliability and performance in extreme environments.

29+ years of industry experience
Top 2 market share in high-temp thermocouples in China
Over 100,000 base metal thermocouples produced annually
Custom thermal solutions for unique applications

Product Categories

Explore our comprehensive range of temperature sensing solutions

Noble-Metal Thermocouple

Tungsten Rhenium Thermocouple

Base Metal Thermocouple

Thermal Resistance RTDs

Heat Meter Sensors

Accessories & Transmitters

Featured Products

S Type Semiconductor Thermocouple

Temp Range: Ambient-1100℃
Max Heating Rate: 15℃/min
Max Cooling Rate: 5℃/min
Application: Photovoltaic (PV) cell processing

High Precision

Platinum Rhodium Thermocouple

Type: S, R, B
Accuracy: Highest among all thermocouples
Use: Standard reference & calibration
Output: 20,000+ units/year

Top Accuracy

Type B Thermocouple

Thermoelement: Ptrh30-Ptrh6
Grade: II class ±1.5°C or 0.25%t
Connection: Waterproof head
Max Temp: Up to 1800°C

High Temp

K Type Thermocouple

Thermoelement: NiCr-NiSi
Grade: I or II class
Transmitters: Dual HART & Ex
Output: 100,000+ units/year

Mass Production

WRe5/26 C Type Thermocouple

Calibration: C, WRe5/26
Diameter: φ0.5 mm
Connection: G3/8"
Application: Pressure sintering furnace

Extreme Heat

Corrosion-Resistant Type C W-Re

Environment: Inert/vacuum
Features: Oxidation-resistant
Response: Fast thermal response
Use: Metallurgical & aerospace

Corrosion-Resistant

Type S Ceramic Thermocouple

Material: Ceramic protection tube
Accuracy: High precision
Stability: Excellent long-term
Range: Up to 1600°C

Ceramic

Explosion-Proof Multi-Point RTD

Type: Armored RTD
Points: Multipoint detection
Certification: ATEX compliant
Use: Hazardous environments

ATEX

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Why Choose Duchin Sensor?

Certified Quality

ISO9001, CE, and SIL2 certified. Member of China Standardization Administration TC124/SC1.

29+ Years Experience

Trusted manufacturer since 1995 with deep expertise in high-temperature sensing.

Custom Solutions

Tailored thermocouples and RTDs to meet your exact specifications and application needs.

Global Reach

Serving 3,000+ clients annually across diverse industries worldwide.

Frequently Asked Questions

What types of thermocouples do you manufacture?

We produce noble-metal (S, R, B), tungsten rhenium (C, D, A), and base metal (K, N, E, J, T) thermocouples, along with armored, sheathed, and assembled variants.

Can you customize sensors for specific applications?

Yes, we offer full customization including dimensions, materials, connectors, and calibration to meet your industrial requirements.

What is the maximum temperature your sensors can measure?

Our tungsten rhenium thermocouples can operate up to 2200°C in inert or vacuum environments.

Are your products certified?

Yes, we hold CE, ISO9001, and SIL2 certifications. We are also a committee member of China’s Standardization Administration.

Do you supply globally?

Yes, we export to clients worldwide and have a strong distribution network across Asia, Europe, and the Americas.

Contact Us

Have a question or need a custom solution? Reach out to our team for expert support.

Phone: +86-13883406577

Email: [email protected]

Address: No.290, Fengshixing Road, Beibei District, Chongqing, China 400700

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