The character of product
The point of the item adopted the quakeproof construction
The active stalk and passive stalks propelled by bearing, the action is vivid. Its impossible to choke that the organization which arouse to point is choded.
The point of minature switch produced by movable plate, and the dependable is high.
The lengthes of propelled bearing and the connecting pipe is equed,that enhanced the stalk′s strength

Operation Conditions
The temperature of ambient :-30°C- +40°C;
Relative humidity: When the air temperature is +25°C,the relative humidity shall not exceed 90%;
The oil temperature not exceed 90°C;
The installation place around which any violent vibration and jolt are not exist;
The parameter (i.e. the action character) of oil flow quantity of indicate shall be in accordance with that of the transformer cooling system.

Main technical parameter
 The main specification and technical parameters of indicator are shown in table1