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Important measuring devices in automobiles

Explore the crucial measuring devices in automobiles like speedometer, tachometer, and oil pressure gauge. Learn how they work and why they are important for vehicle safety and performance.

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Important measuring devices in automobiles

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  1. Important measuring devices in automobiles

  2. Speedometer • Tachometer • fuel gauge • water temperature gauge • oil pressure gauge • Oil Temperature Gauge

  3. Speedometer

  4. The first speedometer was built in 1923 and its basic design didn't change significantly for 60 years. • The job of the speedometer is to indicate the speed of your car in miles per hour, kilometers per hour or both.

  5. Types of Speedometers There are two types of speedometers. • mechanical speedometer, or the eddy-current speedometer. • Electronic.

  6. How Speedometers Work • To measure the speed of a car, one must be able to measure the rotational speed of either the wheels. • In most cars, measurement takes place in the transmission. • drive cable used to measuring the rotational speed generated by the transmission .

  7. Ref: William Harris http://auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/speedometer2.htm

  8. Tachometer

  9. Tachometer is designed to give the speed of a rotating part in (rpm) • For car use the tachometer to measuring the speed of the engine

  10. Ref :http://www.simonfamily.us/FocusEV/TachSpeedo.htm

  11. Fuel gauge

  12. How Fuel Gauges Work Ref :http://auto.howstuffworks.com/fuel-gauge.htm

  13. water temperature gauge

  14. How water temperature gauge Work

  15. oil pressure gauge

  16. Important of oil gauge • If the oil gauge gives very low reading it means that your oil pressure has dropped. • When the oil pressure drops the oil is not forced into the nooks and crannies .

  17. Oil Temperature Gauge

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