厦门市哈德沃克电子科技有限公司专业销售美国摩菲压力表、温度表、液位仪表、传感器、控制阀、振动开关全系列产品。 压力SWICHGAGE开关表A20P和A25P系列 - 2英寸和2.5英寸(51mm和64mm) - 外壳材质:聚碳酸酯外壳,抗腐蚀 Polycarbonate Case - 压力量程达400PSI (2,76MPa)(27.60bar) - 表面可调低限触点 A20PE and A25PE Swichgage A20PE (was A20EO) and A25PE (was A25EO). Features internal snap-acting SPDT switches, instead of the single pole/pointer contacts. When the switch closes on falling pressure, it becomes set, as pressure rises the switch resets (refer to wiring diagram). Model A25PE is CSA listed for non-hazardous areas. Model A25PE-EX is CSA listed for Class I, Division 1, Groups C and D hazardous areas. Murphy A20 Series Pressure Swichgages A20P-50 (05704515): 2" Pressure Swichgage with Polycarbonate Case A20P-75 (05704254): 2" Pressure Swichgage with Polycarbonate Case A20P-100 (05704255): 2" Pressure Swichgage with Polycarbonate Case A20P-150 (05704256): 2" Pressure Swichgage with Polycarbonate Case A20P-200 (05704257): 2" Pressure Swichgage with Polycarbonate Case A20P-300 (05704258): 2" Pressure Swichgage with Polycarbonate Case A20P-400 (05702525): 2" Pressure Swichgage with Polycarbonate Case Murphy A25 Series Pressure & Vacuum Swichgages A25P-100 (05704337): 2.5" Pressure Swichgage? with Polycarbonate Case