简要说明：VACUUM SWITCH牌的VACUUM SWITCH压力开关产品：估价：120，规格：VACUUM SWITCH，产品系列编号：VACUUM SWITCH

VACUUM SWITCH压力开关产品的激励电源分为正比激励和固定激励。前者是将压力传感器电桥直接接到电源上，当电源改变时，压力传感器的灵敏度和零点都随之发生变化。后者内部有一个参考电压，压力传感器电桥由参考电压供电激励。参考电压是恒定的，与电源无关。只要电源电压在一指定电压范围内变化，参考电压不变。因而传感器的输出不变，不受电源电压的影响。

VACUUM SWITCH压力开关产品型号如下：

UEDA SEISAKUSHO压力开关PL-650-1-R3B,

UEDA SEISAKUSHO压力开关PL-650-2-R3B,

PRESSURE SWITCH压力开关PL-650-3-R3B,

UEDA SEISAKUSHO压力开关PL-650-4-R3B,

PRESSURE SWITCH压力开关PL-650-5-R3B,

UEDA SEISAKUSHO压力开关PL-650-6-R3B,

PRESSURE SWITCH压力开关PL-650-7-R3B,

UEDA SEISAKUSHO压力开关PL-651-10-R3B,

UEDA SEISAKUSHO压力开关PL-651-11-R3B,

PRESSURE SWITCH压力开关PL-651-12-R3B,

UEDA SEISAKUSHO压力开关PH-650-8-R3SB,

PRESSURE SWITCH压力开关PH-650-9-R3SB,

PRESSURE SWITCH压力继电器PM-501-R3B,

UEDA SEISAKUSHO压力开关PM-502-R3B,

PRESSURE SWITCH压力开关PM-503-R3B,

UEDA SEISAKUSHO压力开关PM-504-R3B,

PRESSURE SWITCH压力开关PM-505-R3B,

UEDA SEISAKUSHO压力开关PM-506-R3SB,

PRESSURE SWITCH压力开关PM-507-R3SB,

PRESSURE SWITCH压力继电器PM-501DC-G3B,

PRESSURE SWITCH压力开关PM-502DC-G3B,

PRESSURE SWITCH压力开关PM-503DC-G3B,

UEDA SEISAKUSHO压力开关PM-504DC-G3B,

PRESSURE SWITCH压力开关PM-505DC-G3B,

UEDA SEISAKUSHO压力开关PM-506DC-G3SB,

UEDA SEISAKUSHO压力开关PM-507DC-G3SB,

UEDA SEISAKUSHO压力开关PM-501DC10-F3B,

PRESSURE SWITCH压力开关PM-502DC10-F3B,

UEDA SEISAKUSHO压力开关PM-503DC10-F3B,

PRESSURE SWITCH压力开关PM-504DC10-F3B,

PRESSURE SWITCH压力继电器PM-505DC10-F3B,

PRESSURE SWITCH压力开关PM-506DC10-F3SB,

PM-507DC10-F3SB压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关PM-501DC10-R3B,

PM-502DC10-R3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关PM-503DC10-R3B,

UEDA SEISAKUSHO压力开关PM-504DC10-R3B,

PM-505DC10-R3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关PM-506DC10-R3SB,

PRESSURE SWITCH压力继电器PM-507DC10-R3SB,

UEDA SEISAKUSHO压力开关PM-601-R3B,

PRESSURE SWITCH压力开关PM-602-R3B,

PM-603-R3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关PM-604-R3B,

UEDA SEISAKUSHO压力开关PM-605-R3B,

PRESSURE SWITCH压力开关PM-606-R3SB,

PM-607-R3SB压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关PM-601DC-G3B,

UEDA SEISAKUSHO压力开关PM-602DC-G3B,

PRESSURE SWITCH压力开关PM-603DC-G3B,

UEDA SEISAKUSHO压力开关PM-604DC-G3B,

PRESSURE SWITCH压力开关PM-605DC-G3B,

PRESSURE SWITCH压力继电器PM-606DC-G3SB,

PRESSURE SWITCH压力开关PM-607DC-G3SB,

PM-601DC10-F3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关PM-602DC10-F3B,

UEDA SEISAKUSHO压力开关PM-603DC10-F3B,

PRESSURE SWITCH压力开关PM-604DC10-F3B,

PM-605DC10-F3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关PM-606DC10-F3SB,

UEDA SEISAKUSHO压力开关PM-607DC10-F3SB,

PRESSURE SWITCH压力开关PM-601DC10-R3B,

PRESSURE SWITCH压力继电器PM-602DC10-R3B,

PRESSURE SWITCH压力开关PM-603DC10-R3B,

PM-604DC10-R3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关PM-605DC10-R3B,

PM-606DC10-R3SB压力开关UEDA SEISAKUSHO,

UEDA SEISAKUSHO压力开关PM-607DC10-R3SB,

PRESSURE SWITCH压力继电器P5S-1-R3B,

PRESSURE SWITCH压力开关P5S-3-R3B,

P5S-5-R3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关P5S-7-R3B,

P5S-10-R3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关P5S-20-R3B,

P5S-40-R3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关P5S-60-R3SB,

UEDA SEISAKUSHO压力开关P5S-80-R3SB,

P5W-1-R3B压力开关UEDA SEISAKUSHO,

PRESSURE SWITCH压力开关P5W-3-R3B,

UEDA SEISAKUSHO压力开关P5W-5-R3B,

PRESSURE SWITCH压力开关P5W-7-R3B,

P5W-10-R3B压力开关UEDA SEISAKUSHO,

VACUUM SWITCH压力开关产品是当系统内压力高于或低于额定的安全压力时，感应器内碟片瞬时发生移动，通过连接导杆推动开关接头接通或断开，当压力降至或升额定的恢复值时，碟片瞬复位，开关自动复位，或者简单的说是当被测压力超过额定值时，弹性元件的自由端产生位移，直接或经过比较后推动开关元件，改变开关元件的通断状态，达到控制被测压力的目的。压力开关采用的弹性元件有单圈弹簧管、膜片、膜盒及波纹管等。常见的使用范围有电力、石油、化工、冶金、锅炉、食品机械、环保设备等行业。