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Water Temperature Sensor

Your Professional Water Temperature Sensor Manufacturer!

XC Electronics (Shenzhen) Corp. Ltd is a leading industrial manufacturer that develops and manufactures all kinds of fuse and thermostat since 2002. The Hong Kong company named XGH ELETRIC COMPANY was founded in 1996. The products ranges miniature fuses, micro fuses, SMD fuses, power fuse, plug fuse, high voltage fuse, blade fuse, fuse holders, thermostat and thermal sensors for circuit protection and thermal protection solutions that are widely used in powers, household appliances, lightings, batteries, new energy resources, automotive equipment, communications devices and computers.

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Why Choose Us

Professional Team

Our company has attracted a large number of professional talents. We have a stable R&D team with 30 people, each with more than 5 years' work experience. They can independent research and develop products and equipment. We also have invested heavily in our R&D department.

Our Certifications

With vertically integrated manufacturing facilities certified TS16949, ISO9001, and ISO14001, All the products are lead-free that complies with RoHS Directive and REACH regulations. The products are extensively certified by CCC, VDE, cULus, PSE, KC, TÜV, CQC, ect.

Partners

Panasonic, Samsung, DELONGHI, LG, BYD, ACBEL, FOXCONN, BOSCH, PHILIPS, Midea, TTI, Greatwall, Cummins, Volkswagen, Hisense, Glanze,GREE and Skyworth.

Our Factory

With the growth of our company, we have built another world-class 50000 square meter factory named Huizhou Dongli Technology Co., Ltd in Huizhou in 2019.

Advantages of Water Temperature Sensor

High accuracy: Water temperature sensor uses advanced sensing technology to provide highly accurate performance, enabling precise measurement of engine coolant temperature and timely feedback to the control system.

Easy to use: The water temperature sensor is easy to install and use, with a simple structure that enables direct connection to the control system of the engine without requiring additional control equipment.

Safe and reliable: Our water temperature sensor is suitable for use in various generator sets, providing safe and reliable monitoring of engine conditions.

Overheating protection: In the event of the water temperature exceeding the set value of the engine, the sensor will automatically alarm and shuts down, ensuring safe .

Reliable material: Made from premium aluminum alloy, the sensor is highly sturdy and prevention, ensuring stable and reliable for long periods without issues.

Specification

Product name	Water Temperature Sensor
Thread	17mm
Measurement Temperature	Maximum 125℃
Power	3W
Resistance	≥100Ω
Dissipation Constant	≤15S
Alarm Switch Temperature	98±3℃

Applications of Water Temperature Sensor

Automotive industry

Water temperature sensors are used to monitor the temperature of engine coolant to ensure that the engine runs at the optimal temperature and prevent overheating.

Household appliances

In household appliances such as washing machines, water heaters, and dishwashers, water temperature sensors are used to control water temperature to ensure normal operation of the equipment and user safety.

Industrial process control

In industries such as chemicals, food processing, and pharmaceuticals, water temperature sensors are used to monitor and adjust water temperature in process flows to meet specific requirements of the production process.

Aquariums and aquaculture

Water temperature sensors are used to maintain the water temperature in aquariums or breeding ponds to provide a suitable living environment for fish and other aquatic organisms.

Environmental monitoring

Water temperature sensors are used to monitor the temperature of natural water bodies such as rivers, lakes, and oceans to study climate change and environmental impacts.

The role of water temperature sensor

Measures Coolant Temperature: The water temperature sensor detects the temperature of the engine coolant. This information reflects the engine’s overall heat level and is crucial for ensuring the engine stays within the optimal operating temperature.

Sends Data to the ECU: The sensor converts the coolant's temperature into electrical signals that are interpreted by the Engine Control Unit (ECU). This enables the ECU to monitor the engine's status and make necessary adjustments to maintain engine health.

Helps Regulate Engine Functions: Using the temperature data, the ECU controls various critical engine functions such as fuel injection timing, ignition timing, and the operation of cooling fans to ensure that the engine is running at its best.

Prevents Overheating: The sensor ensures that the engine does not exceed its temperature limits by providing the ECU with precise temperature readings. This allows the ECU to activate cooling mechanisms and issue warnings if overheating is imminent.

Displays Temperature Readings: The data provided by the sensor is also displayed on the vehicle's dashboard gauge, allowing the driver to monitor engine temperature in real-time and be alerted if there are any issues.

Material of Water Temperature Sensor

Sensing Element (Core Component)

NTC Thermistor: Made of metal oxide ceramics (typically manganese, nickel, and cobalt composites) for resistance-based temperature measurement.

PTC Thermistor: Uses barium titanate-based ceramics for self-regulating temperature detection.

KTY Sensor (Silicon-based): Consists of doped silicon for linear output, commonly found in German vehicles (e.g., Bosch sensors).

Probe & Housing (Structural Components)

Probe Tip: Stainless steel (Grade 304 or 316L) for corrosion resistance in coolant/antifreeze mixtures.

Threaded Body: Brass (CuZn39Pb3) for thermal conductivity and sealing compatibility with engine blocks.

Hex Nut: Chromed steel or brass for tool engagement and durability.

Electrical & Insulation Materials

Lead Wires: Nickel-plated copper with PTFE (Teflon) or fiberglass insulation (heat-resistant up to 200°C).

Internal Sealing: Borosilicate glass (glass-to-metal seal) or epoxy resin for waterproofing (IP67/IP69K rated).

Filler Material: Magnesium oxide (MgO) powder for electrical insulation and thermal stability.

Connector & External Parts

Connector Housing: High-temperature plastics (PPS or PA66 nylon) resistant to oils and coolants.

O-Rings: FKM (Viton®) or EPDM rubber for leak-proof sealing in coolant systems.

Packaging and Shipping

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Our Certificates

FAQ

Q: What does a water temperature sensor do?

A: A water temperature sensor monitors the coolant temperature and sends this data to the Engine Control Unit (ECU), allowing the ECU to adjust engine functions to optimize performance and prevent overheating.

Q: How does a water temperature sensor help prevent engine overheating?

A: By constantly monitoring the coolant temperature, the water temperature sensor alerts the ECU when the engine is overheating, allowing it to activate the cooling system or issue a warning to the driver.

Q: Can I drive my car without a water sensor?

A: It’s not advisable to drive a vehicle without a functioning water sensor. The sensor ensures that the engine operates within safe temperature limits. Without it, the engine could overheat, causing severe damage.

Q: What happens if water temperature sensor goes bad?

A: While sometimes a faulty sensor sends a permanent cold signal to the engine, it can also send a permanent hot signal. The computer will again miscalculate the signal and cause the engine to heat up instead of cooling it down. When this happens, the car might misfire, or it could lead to engine knocking.

Q: Where is the best place to put a water temperature sensor?

A: Water temp senders should be installed in a radiator, water temp adaptor or cylinder head. - The most common way of fitting a water temp sender is by using a radiator hose adaptor, the adaptor is fitted to the vehicles TOP radiator hose.

Q: How often should I test my water temp sensors?

A: It’s recommended to test your water temp sensors annually or whenever performance issues arise.

Q: Can I test a water temp sensor without a multimeter?

A: No. A multimeter is essential for performing accurate resistance and voltage checks.

Q: What’s the typical lifespan of a water temp sensor?

A: Water temp sensors typically last between 5 to 10 years, depending on the operating conditions.

Q: How do you test a water temperature sensor?

A: To test a water temperature sensor, you'll primarily use a multimeter to measure its resistance or voltage output, depending on the type of sensor. You can also simulate hot and cold temperatures using water baths to check for changes in the sensor's readings.

We're well-known as one of the leading water temperature sensor manufacturers and suppliers in China. If you're going to buy high quality water temperature sensor at competitive price, welcome to get more information from our factory.

water temperature sensor