Other Accessories - Chongqing Duchin Instrument Co.,Ltd

Your Professional Other Accessories Thermocouple Connectors Supplier

Chongqing Duchin Instrument Co., Ltd. specializes in the research, development, manufacturing, and distribution of temperature sensors and related equipment. The company’s primary product offerings include thermocouples, resistance temperature detectors (RTDs), compensation cables, electric heaters, thermocouple vacuum calibration devices, and composite metal protective tubes. In addition, the company undertakes instrumentation and control system projects based on customer requirements.

Thermocouple Connectors

Why Choose Us

Team & Service

Our team is a dynamic,Quickly respond to customer needs, experienced technical team, provide design and customization services.

Wide Range of Applications

Our products are widely used in FTTH (Fiber to the Home) and FTTA (Fiber to the Antenna) applications.

Our Certificates

We have established a quality assurance system compliant with ISO9001 standards. Our products are strictly tested according to IEC, GR-326-Core, GR-3120-Core, GR-771-Core, and GR-1221-Core standards to ensure superior performance and reliability.

Broad Market

Our products are exported to a wide range of Market layout in Asia, Europe, Middle east, North America, South America, Africa.Products are exported over 50 countries, and are widely recognized by customers.

Parameter

Calibration	K
Color Code	Yellow,black,orange,blue,green
Application	Male Temperature connector
Material	Nylon body/ceramic body
Work environment	200 °C

Features of Thermocouple Connectors (Other Accessories)

High-Temperature Resistance

Rated to 220ºC, with 350ºC and 650ºC versions available for extreme conditions.

Manufactured with High-Purity Thermocouple Alloys

Ensuring exceptional accuracy and long-term stability in temperature measurements.

All Thermocouple Types

Available in K, J, T, N, E and other standard thermocouple types.

Colour-Coded Body with Letter Marking

Easy identification of thermocouple types, available in IEC, ANSI, DIN, and JIS colour codes.

Easy and Secure Wiring

Features a lipped washer for secure connections with conductors up to 0.8mm diameter.

Polarised, Bevelled Flat Pins

Prevent incorrect connections whilst allowing easy insertion, improving reliability and safety in applications.

Compatibility

Compatible with instrumentation in temperature measurement applications using thermocouples.

Applications of Thermocouple Connectors (Other Accessories)

Industrial Process Control
Plastic injection molding machines
Extrusion process monitoring
Heat treatment furnaces
Semiconductor manufacturing

Energy Systems
Power plant temperature monitoring
Solar thermal collector arrays
Geothermal system controls
Battery temperature management

Scientific and Laboratory
Material research chambers
Cryogenic systems
Environmental test equipment
Calibration instrumentation

Automotive and Aerospace
Engine performance monitoring
Exhaust gas temperature measurement
Brake temperature sensing
Avionics thermal management

Medical Equipment
Sterilization systems
Laboratory analyzers
Therapeutic heating devices
Medical device manufacturing

Materials of Thermocouple Connectors (Other Accessories)

Thermoplastics

The most typical thermocouple connectors consist of thermoplastics that can withstand temperatures up to 400 °F and supply a sufficient level of mechanical durability.

Thermosets

Manufactured using thermoset materials, they are a good choice for applications that require continuous exposure to temperatures up to 660 °F. These types of connectors may crack more easily than thermoplastic connectors, but they have better impact resistance compared to ceramics.

Ceramics

Thermocouple connectors made from ceramics offer the highest temperature capabilities, up to 1200 °F. Ceramic connectors are effective in vacuum applications since the potential for contamination or outgassing does not exist. Compared to thermoplastic or thermoset designs, ceramic connectors are more susceptible to mechanical damage.

Color Coding of Thermocouple Connectors (Other Accessories)

01/

Type K
Thermocouple Grade Jacket: Brown
Extension Grade Jacket: Yellow
Positive Lead: Yellow
Negative Lead: Red

02/

Type J
Thermocouple Grade Jacket: Brown
Extension Grade Jacket: Black
Positive Lead: White
Negative Lead: Red

03/

Type N
Thermocouple Grade Jacket: Brown
Extension Grade Jacket: Orange
Positive Lead: Orange
Negative Lead: Red

04/

Type R & S
Thermocouple Grade Jacket: No color specified
Extension Grade Jacket: Green
Positive Lead: Black
Negative Lead: Red

05/

Type T
Thermocouple Grade Jacket: Brown
Extension Grade Jacket: Blue
Positive Lead: Blue
Negative Lead: Red

06/

Type E
Thermocouple Grade Jacket: Brown
Extension Grade Jacket: Purple
Positive Lead: Purple
Negative Lead: Red

Ordering Process

Send your detailed request→Feedback with quotation→Confirm price and some details →Provide PI→ Make payment→Start production→Quality checking→Delivery→After service.

Packaging and Shipping

Packaging	All products, we will pack them carefully, items will be pakaged with PP bag, carton or any other protective stuff if necessarily, then placed in pallets or plywood case.
Shipping	We ship by Express, by air, by sea, by train. Normally we checked and compare, then provide customer the most proper shipment method.

Our Factory

The establishment of Chongqing Duchin Instrument CO., LTD was marked in 1995, located at No. 290 Fengshixing Road, Beibei District, covers area over 11'000m2.

Certifications

FAQ

Q: What are the different thermocouple connectors?

A: Plug and jack.
Panel jacks.
Multi-pin designs.
Flat or round pins.
Miniature and standard sizes.
Quick connect and disconnect.

Q: How do thermocouple connectors work?

A: A thermocouple is a sensor that measures temperature. It consists of two different types of metals, joined together at one end. When the junction of the two metals is heated or cooled, a voltage is created that can be correlated back to the temperature.

Q: What is the error in thermocouple connector?

A: The most common error when connecting a thermocouple is that the polarity of the lead wires is reversed or altered. In this case, the measured temperature will be incorrect due to the temperature difference between the two ends of the leads.

Q: How tight should a thermocouple connection be?

A: Proper tightness should be finger tight plus ¼ turn.

Q: Can a thermocouple be wired wrong?

A: If you mistakenly connect polarity from the terminal box etc to the terminal of the receiving instrument, the difference between the temperature of the terminal box part and the temperature of the receiving instrument terminal affects the error.

Q: How to tell if a thermocouple is grounded?

A: Thermocouple sensors are made up of several elements: metal sheath, thermocouple wires, and the junction. A thermocouple is grounded when the junction is welded to the sheath at the tip of the sensor. In an ungrounded thermocouple, the junction does not touch the sheath.

Other Accessories - Chongqing Duchin Instrument Co.,Ltd