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boat fuel usage gauge
For the pointer type boat fuel usage gauge , there will be a letter E on the left to indicate that the oil level in the tank is too low, and a letter F on the right to indicate that the oil level in the tank is full. With the vehicle running, the fuel stock is slowly consumed, and the pointer will slide from F to E. When the pointer is close to the E position and the remaining fuel is about 10 liters, the low fuel level alarm of the instrument will be triggered. In this state, you should go to the gas station to refuel as soon as possible. Because the remaining fuel volume can only be about 50 km to 100 km.
When the liquid level in the boat fuel tank drops, the buoy will sink, drive the sliding arm to move, and the resistance will increase. Therefore, the current returned to the boat fuel usage gauge will be relatively reduced, and the boat fuel indicator will decrease. The boat fuel usage gauge consists of a thin metal rod and a buoy connected to the metal rod. Buoy is usually made of foam plastic. The end of the metal rod is mounted on the variable resistor. A resistor is a device that prevents the passage of electric current. The greater the resistance, the smaller the current. The boat fuel usage gauge is a very simple device. The current flowing from the transmitter passes through a resistance that may surround or be located near the bimetal. The bimetallic plate is connected to the pointer of the boat fuel usage gauge through a connecting rod. As the resistance increases, the current through the heating coil decreases, so the bimetal cools down. As the metal plate cools, the metal plate will straighten so that the fuel gauge will point from full to empty. The function of the low fuel level alarm device is to give an alarm when the fuel in the fuel tank is less than a specified value, so as to attract the attention of the crew. Do not refuel when the boat alarm light is on, because the oil pump is in the oil tank and relies on gasoline or diesel for heat dissipation and lubrication. Too little oil will be detrimental to the normal operation of the oil pump and reduce its service life.
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