![]() This is also true on a cloudy day when the sun has not heated the ground as much, or when the car is traveling very fast. This means that often, on hot days, the temperature you're seeing in your car is higher than the actual temperature of the air, because your car is picking up a mixed message, the temperature as its influenced by hot asphalt.Īt night, the accuracy of the thermistor is better, because it's not picking up as much heat from the ground. The thermistor in your car is near to the ground, meaning it can pick up the heat that the ground radiates. ![]() Also shop for Accessories at best prices on AliExpress Enjoy Free Shipping Worldwide Limited Time Sale Easy Return. Find digital display voltmeter car with high quality at AliExpress. This is a big problem with the accuracy of that temperature you see on your dashboard.Īnyone who has walked on sand on a hot day or felt the heat coming off cement knows that the sun heats the ground hotter than the air. Shop voltmeter meter car battery monitor with fast shipping and fast return. As the Washington Post points out, in most modern cars, the thermistor is placed in the front of the car, somewhere behind the grill. Technically, it's a thermistor, a device that measures temperature based on the change in electrical current that temperature can cause, instead of the expanding or contracting of a liquid like mercury. The thermometer in your car isn't actually a thermometer. ![]()
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