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Alarm switch

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Overview

The liquid level switch and the liquid level meter installed on the panel of the magnetic turnover column liquid level meter are in the same magnetic coupling system. The float in the main conduit of the liquid level meter moves up and down with the change of the liquid level. When the float approaches the liquid level switch from bottom to top , The magnetic field generated by the magnetic steel in the float repels the magnetic field generated by the magnetic steel in the liquid level switch, pushing the magnetic steel in the liquid level switch and the connected cam to swing to drive the switch, the float continues to rise, and the switch remains in this state. When the float approaches the liquid level switch from top to bottom, the repulsive force between the magnetic fields pushes the liquid level switch to change state and maintain it again, so the switch has a bistable memory function. The product uses special switches, with large contact capacity, which can directly drive high-power equipment. It is the most practical and reliable additional control or alarm device used on the magnetic turnover column level gauge.

 

Working principle

The liquid level switch and the liquid level meter installed on the panel of the magnetic turnover column liquid level meter are in the same magnetic coupling system. The float in the main conduit of the liquid level meter moves up and down with the change of the liquid level. When the float approaches the liquid level switch from bottom to top , The magnetic field generated by the magnetic steel in the float repels the magnetic field generated by the magnetic steel in the liquid level switch, pushing the magnetic steel in the liquid level switch and the connected cam to swing to drive the switch, the float continues to rise, and the switch remains in this state When the float approaches the liquid level switch from top to bottom, the repulsive force between the magnetic fields pushes the liquid level switch to change state and maintain it again, so the switch has a bistable memory function. The product uses special switches, with large contact capacity, which can directly drive high-power equipment. It is the most practical and reliable additional control or alarm device used on the magnetic turnover column level gauge.

UHS-A series supporting use

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