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The electric contact pressure gauge is used to measure the positive and negative pressure of gas and liquid media that do not corrode copper and copper alloys, and to send a signal when the pressure reaches a predetermined value, connect the control circuit, and achieve the purpose of automatic control alarm.
On the electrical contact signal needle of the electrical contact pressure gauge device, an adjustable long-term magnetic steel is installed, which can increase the contact suction, accelerate the contact action, make the contact reliable, eliminate arc, and effectively avoid frequent contact closure of the instrument due to working environment vibration or medium pressure pulsation. Therefore, electric contact pressure gauges have the advantages of reliable operation, long service life, and high contact switching power.
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