WATER TEMPERATURE SENSORS
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Extensive program
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100% functional test under production
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OE quality
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Quality Assurance Standard IATF 16949
Watet temperature sensors in OE quality
Triscan's programme of water temperature sensors are all of OE quality, and with more than 100 references, we offer a wide covering programme.
Triscan’s production of water temperature sensors is subject to the strict quality control standards within the automobile industry: IATF 16949, and every sensor undergoes a 100 % functionality test.
Function
Measures the cooling water temperature which is used for the vehicle’s engine management (ECU). The information is used to control the mixing ratio of air and fuel, to control the ignition timing, and for controlling the electric radiator fan(s).
Water temperature sensor is typically either placed on the thermostat housing or the engine block. The temperature measurement is performed using an NTC (Negative Temperature Coefficient) or PTC (Positive Temperature Coefficient) thermistor - a resistor in which resistance changes with temperature. The NTC type is the most common. In both types the thermistor is protected behind the sensor’s metal chasing as it is not in direct contact with the coolant.
NTC: The resistance is reduced when the temperature increases and increases as the temperature decreases.
PTC: The resistance increases when the temperature rises and rises when the temperature drops