Product description Fix one or multiple magnetic reed switch to a closed and nonmagnetic conduit. When the float switch is empty inside and fastened with permanent ring magnet approaches the switch along with the conduit under the buoyancy of liquid, the contact would be on under the function of magnetic force, otherwise, when the float aparts away from the magnetic reed switch, the contact would be off. Thus signals of on or off would be output and used for alarming or remote control Product feature A. Adopt imported magnetic switch, simple principle, stable performance Wetted material: sus304/316l, pp..... Process connection: flange/screw Float size: 28*28mm, 45*55mm, 52*52mm, 75*75mm Action points: 1, 2, 3, 4........ Medium temperature: -10~125 c(max.200c) Protection grade: ip65 Application Widely used to water treatment, food industry, medical industry, chemical industry, electronics industry, ship engineering, textile industry, and hydraulic industry, etc.