OMEGA压力开关

PSW-500美国OMEGA压力开关，OMEGA真空开关，OMEGA压力开关，迷你型，外部刻度及指示器方便调节设置压力，弄湿部分材料为不锈钢及密封料 PSW-500美国OMEGA压力开关产品特点： 8226; External Pressure Scale and Pointer for Easy Setpoint Adjustments 8226; 5 Amp Model Switches With High Proof Pressures 8226; 1 Amp Gold-Plated Switches for TTL and Dry Contact Closures 8226; Wetted Parts: Stainless Steel, Sealing Compound and or O-ring PSW-500美国OMEGA压力开关技术参数： Approvals: UL (1 Amp switches PSW-520 and PSW-540 Series only) Process Temp: -55 to 105°C (-65 to 221°F) (2% setpoint shift can occur below -25°C [-13°F] or above 50°C [122°F]) Cycling: Not to exceed 20 cycles/min. Warranty: 3 year/1 million cycles Sensor: Piston (PSW-520 and PSW-540 diaphragm) Proof Pressure: 150% max. system pressure (PSW-530 and PSW-550 proof pressure is the max. system pressure) Wetted Parts: ?? PSW-520 and PSW-540 Series: 17-7 pH SS, 303 SS and loctite sealing compound #271 ?? PSW-530 and PSW-550 Series: 303 SS, 316 SS, Buna-N O-ring, loctite #271 ?? PSW-560 and PSW-570 Series: 17-7 PH SS, 303SS, Buna-N O-ring, and loctite #271 Enclosure: ?? Body: 303 SS ?? Internal Switch Housing and Lock Ring: zinc alloy with chromate finish ?? Cap: black valox Dimensions: ?? PSW-520 and PSW-540: 66 L x 28 dia. mm (2.6 L x 1.06" dia.) ?? PSW-560 and PSW-570: 71 L x 28 mm dia. (2.8 L x 1.10" dia.) Pressure Port: 1/8 -27 NPT Electrical Connection: 20 AWG, three polyvinyl insulated, unjacketed, 300 mm (12") pigtail leads Wiring Code: Black is common, white is N.O., red is NC (Vacuum models: red is NO, white is NC) Weight: 113 g (4 oz); PSW-520 and PSW-540 series, 85 g (3 oz) Caution: Pressure switches are manufactured to the highest quality specifications. However, due to their economical construction, they should be used only for applications where, in the event of product failure, the risk of damage to equipment or personnel is minimal ? ? PSW-521 PSW-522 PSW-523 PSW-524 PSW-525 PSW-531 PSW-532 PSW-533 PSW-534 PSW-535 PSW-536 PSW-561 PSW-571 PSW-562 PSW-572 PSW-563 PSW-573 PSW-561 PSW-571 PSW-562 PSW-572 PSW-563 PSW-573 ?

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