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The model PSM-520 strain switch is an electro mechanical instrument that detects changes in pressure and gives electrical on-off contact at foreordained pressure values.
The PSM-520 might be utilized to invigorate a caution or straightforwardly control the interaction by cycling siphons, moving valves and so forth. In an alert application, the switch upholds important gear by flagging a caution. In direct control applications, the switch can be connected electrically to other gear.
PSM-520 tension switches are intended for use with oil, water, air, steam and other non-destructive strain media. They are not appropriate for use with refrigerant gases. This strain switch is practical and utilized in a wide assortment of utilizations, for example, siphons, blowers, turbines, oil frameworks and condensers.PSM-520 switches track down applications in :
* Automatic start/stop of pump
* Water treatment filtration system
* Chillers (water/air cooled)
* Lubrication oil skids