• Switzer Instrument Limited

Differential Pressure Switches

Switzer Series 300 Pressure Difference Switches are designed and made to the latest standards to comply with current international philosophy of process instrumentation. The series is compact, easy to install and features high sensitivity over the fully adjustable range together with very high static pressure capability. The sensing element is mounted external to the switch mechanisms which are of stainless steel for arduous atmospheres and high humidity. Enclosures, sensing element and switching modes can be combined to offer the variety needed to suit the different applications. Features * Diaphragm operated * Ranges : mm WC to 15 bar * Max working pressure upto 250 bar * Model 301, 303, 306, 310 * Good Repeatability * High Static pressure * Weatherproof and Flameproof Enclosures * Sensor: Neoprene Diaphragm std. EPDM ans Silicone optional * Range: (-)2.5 mbar to 75 mbar * On-Off Diffl.: Fixed * Repeatability:? 2% FSR * Switching: 1xSPCO Microswitch of 5A or 15A rating * Wetted Parts: Aluminium * Sensor: 316L SS Diaphragm Model GN -310 * Range: 3 mbar to 15 bar * On-Off Diffl.: Fixed / Adjustable * Repeatability: ? 1% FSR * Switching:1xSPCO or 2x SPCO Microswitch of 5A or 15A rating * Wetted Parts: 304 SS / 316 SS