Automotive Coolant Temperature Sensor

Automotive Coolant Temperature Sensor

Details
• High Accuracy: Delivers precise temperature measurement in liquids
• Fast Response: Provides quick response to thermal changes
• Robust Construction: Features a sealed, corrosion-resistant design
• Easy Installation: Offers flexible mounting and broad compatibility
Category
Thermometer
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Description
Technical Parameters

Product Introduction

  • The water temperature sensor is a temperature probe specially used to measure the temperature of coolant, engine oil, fuel and other liquid media. It utilizes advanced sensing technology to convert temperature signals into accurate electrical signal output.

  • Designed for easy integration, the water temperature sensor offers multiple sealing options, sheath dimensions, and electrical interfaces. It provides real-time, reliable data to control units like ECUs and BMS, supporting effective thermal management across automotive and industrial applications.

  • This sensor plays a critical role in engine thermal management, battery temperature regulation, HVAC systems, and industrial process control. By ensuring optimal operating temperatures, it enhances system efficiency, prolongs equipment lifespan, and prevents overheating damage.

Features

Wide & Precise Range

Delivers high accuracy across an extensive temperature span, meeting diverse application needs from cryogenics to high-temperature processes.

01

Multi-Technology Support

Offers compatibility and flexibility for different accuracy, cost, and protocol requirements.

02

Sealing & durability

Features exceptional sealing and durable construction to withstand high pressure, vibration, and corrosive media, ensuring long-term stability.

03

Highly Customizable

Provides tailored solutions in probe dimensions, insertion depth, and connector types for seamless integration into specific application environments.

04

Specifications

 

Operating Temperature

-30°C~120°C

Resistance

R25°C=2kΩ±1% or specified
B-Value B25°C/50°C=3470±1%

 

Application

Water temperature sensors provide reliable temperature monitoring for liquid media and are key components in thermal management across various industries.  

 

 

Automotive Powertrain Systems

In both conventional and hybrid vehicles, the sensor monitors coolant temperature in engines, oil temperature in transmissions and lubrication systems, and supports thermal management in exhaust gas recirculation (EGR) coolers.

 

 

New Energy Vehicles

It plays a vital role in battery thermal management systems by monitoring coolant temperature for battery packs, electric motors, and power electronics.

 

 

Industrial & Energy Applications

This water temperature sensor is widely used for temperature control in industrial process equipment such as reactors and heat exchangers. It also monitors cooling systems in power generation units, compressed air dryers, and hydraulic systems.

 

 

Home Appliances & Consumer Electronics

It enables precise liquid temperature control in a range of products, including water heaters, smart toilets, and coffee machines, ensuring both safety and optimal performance.

 

 

Agricultural & Construction Machinery

For heavy-duty equipment like tractors and excavators, the sensor provides reliable temperature monitoring for engine cooling and hydraulic systems, ensuring durability under demanding operating conditions.

Kind Tips

 

Optimal Sensor Selection

·Select the appropriate sensor technology (e.g., PT1000 for high-precision sensors or NTC for cost-effective sensors) based on the temperature range (e.g., engine coolant typically ranges from -40°C to +130°C), the medium, and the desired signal output (resistance or digital) to ensure system compatibility.

·Our engineers can provide professional selection guidance; please feel free to contact us!

 

Correct Installation for Accuracy

·The installation position should represent the core temperature of the fluid and avoid dead zones.

·Ensure that the threads or clamps are properly installed and the O-rings are intact to prevent media leakage.

The insertion depth should ensure that the temperature sensing element is fully exposed to the fluid.

 

Secure Electrical Connections

·Use manufacturer-recommended connectors and shielded cables. Verify matching pull-up resistors and calibration curves for analog sensors, or correct communication protocols for digital sensors.

 

Confirm Material Compatibility

·Always check that the sensor's wetted materials (such as stainless steel sheath and FKM O-rings) are chemically resistant to the measured liquid to avoid corrosion failure.

 

Routine Inspection & Calibration

·Periodically check for physical damage or seal degradation. If readings drift, inspect for connector oxidation or fluid contamination. Recalibrate after replacement.

 

FAQ

Q: How do I address sensor reading drift?

A: This is typically caused by media contamination or seal aging. We offer free testing and support factory calibration.

Q: Are you a manufacturer or a distributor?

A: We are a professional sensor manufacturer certified by ISO 9001. Therefore we provide OEM/ODM services and comprehensive customization support with competitive prices.

Q: Can you customize sensors for specific applications?

A: Absolutely. We can customize probe dimensions, insertion depth, connectors, and electrical parameters to meet your specific needs.

Q: What is your quality guarantee?

A: We provide a comprehensive 12-month warranty. During this period, we will repair or replace any product quality issues and provide ongoing strong technical support.

Q: What is the Minimum Order Quantity (MOQ)?

A: We often accept low MOQs, even a single unit. For larger production volumes, we offer competitive tiered pricing. Please contact us for a detailed quote based on your quantity.

Q: What payment methods are accepted?

A: We accept T/T (Bank Transfer), PayPal, and L/C (Letter of Credit). Flexible terms are available for large orders.

 

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