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Electric contact pressure gauge

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add time: 2016-01-16 15:29:10
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introduction

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Electric contact pressure gauge is widely used in petroleum, chemical, metallurgy, power plant, machinery and other industrial sectors or mechanical and electrical equipment to measure the risk of non explosion of a variety of fluid medium pressure. Usually, instrument with corresponding electrical devices (such as a relay and inverter) supporting the use can be measured (or controlled) pressure of gas and liquid medium via the instrument to achieve automatic control and alarm.

Structure principle

The electric contact pressure gauge is composed of a measuring system, an indicating system, a magnetic auxiliary electric contact device, a shell, an adjusting device and a connecting box (plug seat). General electric contact pressure gauge is used to measure the copper and copper alloy can not afford the positive and negative pressure of the corrosive gases, liquids, stainless steel electric contact pressure meter for measuring of stainless steel can not afford the positive and negative pressure of the corrosive gases, liquids and when the pressure reaches a predetermined value signal and control circuit is connected to automatic control alarm purpose.

Electric contact pressure meter measurement system in the spring tube pressure action of the medium to be measured based on, forcing the spring tube end produce the corresponding elastic deformation displacement, with rod by transmission of a gear transmission and amplification, by the fixed gear indicator (together with the contact) by will be measured value on the dial indicates. At the same time, when with the set pointer (upper or lower) contact contact (move off or close) the instantaneous, resulting in control system of circuit can be disconnected or connected to, in order to achieve the purpose of automatic control and alarm.

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