Precision Temperature Sensing for Industry
High-quality thermocouple sensors, RTD probes, and industrial thermometers from HAICHEN — engineered for reliability, accuracy, and extreme environments.
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High-quality thermocouple sensors, RTD probes, and industrial thermometers from HAICHEN — engineered for reliability, accuracy, and extreme environments.
Chongqing Haichen Instrument Co., Ltd. is a professional manufacturer and supplier of temperature sensors based in Chongqing, China. With years of experience in sensor technology, we specialize in thermocouple sensors, RTD sensors, bimetallic thermometers, and temperature transmitters.
Our products are widely used in the automotive, metallurgy, chemical, food processing, cement, and energy industries. We combine advanced equipment, a professional technical team, and strict quality control to deliver reliable and high-performance temperature measurement solutions globally.
Serving heavy industry with rugged sensors
ISO standards and rigorous testing
Engineered for precision, durability, and performance in extreme conditions
EGT thermocouple sensor mainly used in the auto industry for exhaust gas temperature testing. High thermal response and durable construction.
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MI thermocouple with slim design, easy bending, and fast thermal response. Ideal for tight spaces and high-vibration environments.
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High-temperature thermocouple for metallurgy, coking, and chemical industries. Capable of measuring up to 2300°C.
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PT100 probe designed for food and pharmaceutical industries. Meets hygiene standards with smooth, cleanable surfaces.
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4-wire RTD for measuring surface temperatures, especially in steam systems and industrial equipment.
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WSS series industrial thermometer for on-site measurement of medium and low temperatures. Adjustable mounting angle for optimal visibility.
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Compact thermocouple connector for secure signal transmission. Available in various configurations and insulation types.
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Precision-drilled thermowell made from solid bar stock. Ensures strength and thermal conductivity for harsh environments.
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High-temperature thermocouples for kilns, furnaces, and aerospace applications. Stable performance at extreme temperatures.
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Converts temperature signals into 4-20mA output. Suitable for hazardous environments with explosion-proof certification.
Learn More →Reliable, accurate, and built for industry
Robust construction for long-term performance in harsh environments.
Engineered for tight tolerances and consistent temperature readings.
Designed for metallurgy, cement, chemical, and energy sectors.
Serving customers in Europe, Asia, Americas, and beyond.
Years Experience
Countries Served
Sensors Delivered
Customer Satisfaction
Thermocouples use two dissimilar metals to generate a voltage proportional to temperature and are ideal for high temperatures. RTDs use a resistive element (usually platinum) and offer higher accuracy and stability over a narrower range.
Yes, we offer customized temperature sensors based on your specifications, including probe length, diameter, connection type, and output signal.
We serve automotive, metallurgy, chemical, food processing, cement, power generation, and pharmaceutical industries.
Yes, our engineering team provides full technical support, including installation guidance, calibration, and troubleshooting.
For inquiries, quotes, or technical support, visit the official HAICHEN website to contact the team directly.
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