marine gauge manufacturers marine multi gauge

• 2023-02-10

Nanjing Hemu International Trade Co. LTD is marine gauge manufacturers, can supply different kinds of marine multi gauge , such as tachometer , water temp gauge , fuel gauge and so on. Today we mainly talk about the marine water temp gauge . About the marine's water temperature gauge also indicates the coolant temperature. Where is the water temperature sensor cable of the outboard engine plugged in? This is controlled by thermistor. Strictly speaking, water temperature sensors are divided into two categories. Regardless of its internal structure, it is thermistor, and its resistance value is between 275 ohms and 6500 ohms. Moreover, the lower the temperature, the higher the resistance, and the higher the temperature, the lower the resistance.

What is the situation of marine diesel engine with high water temperature and low oil temperature? The coolant leakage or lack of coolant will cause the engine water temperature to rise. At this time, we should check the coolant condition. If the coolant is insufficient, first add it to the appropriate position, and then check whether the level drops seriously in a few days. If so, we should find the leakage position. If the cooling fan fails, when the vehicle is running at high speed, the heat generated cannot be transferred to the antifreeze in time, which affects the heat dissipation, and then causes the temperature of the antifreeze to rise, leading to problems such as boiling. Water pump faults include bearing lockup and impeller damage. Bearing lockup is relatively rare. Impeller damage usually includes impeller cracking or impeller loosening from the pump shaft, which leads to slow coolant circulation speed and easy to cause engine overheating. The function of the thermostat is to automatically adjust the amount of water entering the radiator according to the temperature of the cooling water, change the water circulation range, and adjust the cooling capacity of the cooling system to ensure that the engine works within the appropriate temperature range. If the thermostat fails, the vehicle cooling system may not be able to carry out large circulation, resulting in the rise of water temperature.It is believed that some car owners have tried to use water as coolant once and twice, and there is no major problem. Remember to clean the cooling system and replace it with coolant later. If water is used as media for a long time, it will cause water rust in the engine and water tank, and poor heat dissipation in the water tank will cause high water temperature.