Electric contact pressure gauge
The electric contact pressure gauge is suitable for measuring the pressure of various liquids, gase
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Description
The electric contact pressure gauge is suitable for measuring the pressure of various liquids, gases and other media that are non-corrosive, non-explosive, and non-crystalline to copper alloys. The instrument can be used in conjunction with the corresponding electrical devices to achieve the purpose of dual-position automatic control and signaling (alarm) of the maximum or minimum pressure value set in advance for the measured pressure system.
The instrument has the function of measurement and control, can set up and down control pressure value arbitrarily, the action is stable and reliable, and it is widely used in petroleum, chemical, power station, metallurgy and other industrial enterprises and electromechanical equipment.
When the measured pressure acts on the spring tube, its end produces corresponding elastic deformation-displacement. After being amplified by the transmission mechanism, it is indicated on the dial by the indicating device. At the same time, the pointer drives the movable contact of the electric contact device to contact the contact (upper limit or lower limit) on the set pointer instantaneously, causing the control system to turn on or off the circuit to achieve the purpose of automatic control and signal alarm.
The electric contact pressure gauge is equipped with an adjustable long-lasting magnetic steel on the electric contact signal pin of the electric contact device, which can increase the suction force of the contact and accelerate the contact action, so that the contact is reliable and the arc is eliminated, which can effectively prevent the instrument from working Environmental vibration or medium pressure pulsation causes frequent contact closures. Therefore, the instrument has the advantages of reliable action, long service life, and large contact switch power.
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