how does a tachometer work on a diesel engine

• 2022-04-19

Car is the most important travel tool in our daily life. Car is of great significance to us. Because cars not only witness the progress of the scientific and technological era, but also create a good social environment for us. Let us have a higher quality of life, but at the same time, do we need to know about cars first? Today, the car editor will briefly introduce the number of revolutions on the car meter for friends.

On the bus, there are two largest instruments, namely speedometer and tachometer. Most of them are symmetrically installed in the center of the instrument panel, occupying the vast majority of the instrument panel. The speedometer is of great concern to our friends. On the one hand, it is used to display the driving speed of the car and prevent speeding and violation. On the other hand, it can display the driving schedule. But many people don't know how to use the tachometer, and even think it is redundant. I think the tachometer is very important for cars. Today, let's talk about the use of automobile tachometer.

If the vehicle speed reflects the overall working condition of the vehicle, then the engine speed reflects the working condition of the engine and is one of the most important main parameters of the engine. Basically, all kinds of engines are directly related to speed, such as speed characteristics, load characteristics and general characteristics. The idle speed, maximum speed and economic speed range of the engine are closely related to the normal use of the vehicle. Good and reasonable adjustment of engine speed can better control the car. For example, the automobile computer will decide whether to shift the automatic transmission according to the relationship between engine speed and vehicle speed, and the manual transmission model needs to shift according to engine speed.

Utmost tachometers are pointer instruments, and a many are digital. The unit of dimension symbol is R/ min, and the unit name is revolutions per nanosecond. The range of the tachometer reflects the machine speed range, in which the white scale part is the safe speed range and the red scale part is the dangerous speed range. In order to make better use of buses, some performance buses and diesel buses are demanded. The green area is marked on the tachometer, which is the most provident use range of the machine.