Speedometers for cars
In modern cars on the central console, a plurality of devices for monitoring and measuring the different features - the engine oil temperature, oil level and fuel, coolant temperature, and many others. In motion the driver pays the most attention to the speedometer that shows the speed of the vehicle at a given time, expressed in kilometers or miles per hour.
The first invention of Nikola Tesla appeared on the car in "Oldsmobile" in 1901. Before 1910 to buy a speedometer for your car might not all, this unique device is installed only on request, is the world's automakers have not included it in the list of mandatory equipment. With the development of the automotive industry increased number of vehicles on the roads, and with it the number of accidents. Speedometer allowed car owners to constantly monitor the speed, making the traffic safety.
For the normal functioning of the transport system became necessary in determining the speed and distance traveled. Speedometers invention led to the input speed limits, and consequently, to create the police car. Transport of the last century was equipped with two different speedometers, one for the driver, the second - a large size that the police could see from a distance of movement speed. Today, the number of proposals for this product is very diverse. There is absolutely no problem to buy a speedometer for the truck, and electronic and on a separate display.
There are different classification speedometers:
- and operating satellite positioning.
They also differ in the type of display, and there are analog, drum, arrow (the most common) and digital.
How to buy a speedometer? The decision is yours!