Product Introduction
Extensive Applications
Our Fast Micro Thermocouples epitomize precision and reliability, standing as indispensable instruments in a multitude of industrial settings. Within the rigorous environments of steel and chemical plants, precise high-temperature measurement is crucial for operational excellence. However, the versatility of these thermocouples reaches beyond industrial realms, seamlessly integrating into everyday household appliances such as ovens and water heaters to ensure accurate and consistent temperature readings. Their exceptional adaptability makes them a vital component across various applications, consistently delivering reliable performance and inspiring confidence with every use.
Exceptional Features
Explore the extraordinary capabilities of our thermocouples, meticulously engineered to perform efficiently over an extensive temperature range, effortlessly managing both extreme cold and intense heat. Their rapid response time captures even the smallest temperature fluctuations instantly. Designed with a perfect blend of simplicity and resilience, they promise extended durability with minimal maintenance. These cutting-edge thermocouples convert temperatures into electrical signals, facilitating seamless long-distance communication and boosting automated control systems. They hold great value in both industrial sectors and daily applications, continually proving their essential nature.
Composing materials |
Model |
Allowable Tolerance |
Max Temperature Limit |
Measured Rate |
P |
J |
PtRh10%-Pt |
QR-KS602 |
≤±5ºC |
≤±3ºC |
1650ºC |
≥98% |
QR-KS604 |
PtRh13%-Pt |
QR-KR602 |
QR-KR604 |
PtRh30%-PtRh6% |
QR-KB602 |
1750ºC |
QR-KB604 |
WRe3%-WRe25% |
KW-602 |
≤±7 |
2000ºC |
Diameter of tube |
ID:Ф18.1mm;OD:Ф30mm |
Total Length |
300mm /600mm /900mm /1200mm(Customized). |
Main Product

Company Profile
Tangshan Jinyi Instrument & Meter Co., Ltd. stands as a beacon of innovation, skillfully merging research, development, production, sales, and superior service. Ideally situated at the intersection of Beijing, Tianjin, and Tangshan, our state-of-the-art facility in the Guojiaqiao Industrial Zone offers unmatched accessibility. Our dedicated R&D team, featuring five senior technicians and a skilled workforce of 20 specialists, embodies a 'quality first' philosophy throughout our operations—from meticulous raw material selection to precise final packaging. Our rigorous inspection processes guarantee superior quality, enabling us to produce millions of thermocouples and related instruments annually. Serving top-tier global steel mills, our extensive product range highlights our unwavering commitment to delivering outstanding and reliable solutions.

Company Advantage
Our Certificate

Our Services
Service Commitment -01
Our cutting-edge automated production lines ensure the consistent excellence of our products. Orders are processed with remarkable speed upon receipt, initiating swift production. Our pioneering R&D team excels in overcoming technical challenges, consistently innovating and enhancing our product lineup to stay ahead of market trends, maintaining our leadership in technological advancements.
Service Assurance -02
Our dedicated after-sales service team is ready to promptly address any issues. We offer comprehensive online technical training and guidance to minimize production downtime, ensuring our products achieve peak efficiency and reliability, seamlessly supporting your operations.
Continuous Improvement -03
We meticulously collect and analyze customer feedback to gain profound insights into emerging needs and challenges. This invaluable information drives the enhancement of our products and services. Our customer-centric approach, combined with technological advancements, empowers us to continually refine product design, performance, and user satisfaction, ensuring we consistently meet and exceed industry standards.
FAQ
Q: Are you a trading company or a factory?
A: We are a factory specializing in the production of instruments and meters.
Q: Could you provide us with the relevant documents required for customs clearance?
A: Yes, we will send you the contract, packing list and bill of lading, and also meet your other needs.
Q: May I visit your factory in China?
A: Sure. We are in Tangshan City, Hebei Province, China. Welcome to our factory.
Q: How about the packaging?
A:Outer packaging: Wooden packaging boxes that meet export standards; Inner packaging: Stretch film packaging
Q: How do you ensure the quality of the products?
A: We have a professional R&D department and quality inspection department. Each product undergoes professional testing to ensure its quality is up to standard
Q: Do you have an operation manual for your products?
A: Sure. All of our products have operation manuals.