U209-A Electro-Mechanical Totalizer

U209-A Electro-Mechanical Totalizer

Features:

Power: DC12V

Total :7 digits

100% Factory Tested.

Packing:

Weight: Dimension:

200g/case of 1 70×32×42mm/case of 1

be installed in oil; in some regions and mount areas adopts high bracket tank, to refuel through oil gravity. Under these two situations the inlet oil pressure of fuel dispenser is larger than atmospheric pressure. The latter model adopts volume pump --- often gear pump or vane pump, installing inside of fuel dispenser together with motor. A certain vacuum pressure occurs at the inlet of fuel dispenser when fueling. Fuel dispenser mounted submersible pump, its pump being inside of tank with low noise, has large room to facilitate design many nozzles. The negative pressure fuel dispenser, however, has the benefit of convenient maintenance and low price of whole s fuel dispenser ystem. At recent, as negative pressure one prevails in market, the article mainly introduce this kind of fuel dispenser. Negative pressure fuel dispenser normally selects a ration cubage pump. In order to ensure adjusting flow rate there is a bypass valve connected with pump in juxtaposition. When refueling fuel dispenser’s discharge capacity is controlled by the return volume of bypass valve that, of course, ensure the hydraulic system security of fuel dispenser. This kind of bypass valve generally is overflow valve that is closed down while fuel dispenser dot work, and always open as fuelling. The return volume of overflow valve is changed by fuel dispenser’s flowage. Pump is a key component. Its performance is measured through the following aspects: suction capacity, reliability, noise and stability. Of date, some manufacturer put pump and oil-air separator into a common frame, but some install these elements respectively. Some people in circle call pump and oil-air as pump source. Pump’s performance only relate to its structure design and manufacturing level, not the connection of components. The handbook, therefore, int fuel dispenser roduce by the category of pump, not by the connection of oil-air separator. Vance pump It is also called rolling broad pump. Tanks to less weigh than gear pump and column plug pump, high pollute-resistant, simple structur fuel dispenser

- - - - - - -　　 Unable 1 - 1 State error 6 State error 6 State error 6 State error 6 State error 6 State error 6 State error 6　　 Open_FP - 3 3　　 State error 1 State error 3 State error 3 State error 3 State error 3 State error 3 State error 3　　 Close_FP 2 - fuel dispenser 2 - 2 - 2 - 2 - 2 - 2 - 2　　 State error 1　　 Valid-nozzle-up 1 2 - 4 - - 6 - - - -　　 Invalid-nozzle-up 1 2 - 4 - 5 - - - -　　　　 Nozzle-down 1 2 3 - 3 5 - 3 - 3 - 3　　 - 53　　 Release_FP - 5 - 6 5　　 State error 1 State error 2 State error fuel dispenser 5 State error 5 State error 5 State error 5　　 Auth-time-out - - - - - 3 - fuel dispenser

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