描述
电缆屏蔽层必须一点接地,如果电缆屏蔽层两端A、B都接地,就存在地电位差,则有电流流过屏蔽层,当发生异常状态如雷击时,地线电流将更大。此外,屏蔽层、接地线和大地有可能构成闭合环路,在变化磁场的作用下,屏蔽层内有会出现感应电流,通过屏蔽层与芯线之间的耦合,干扰信号回路
PARKER VERIFLO 43200648 PRESSURE TRANSDUCER
Parker Veriflo Pressure Regulator Valve 45100064 SS
New Parker Veriflo Pressure Regulator 43800745 Series
Parker Veriflo Pressure Regulator Valve 742793
Ewal/Parker Titan II 1/4″ Pressure Actuation Valve
Parker 71216SN2FU00 Skinner Valve Pressure Vessel
PARKER PRM2PP07LN 42 HYDRAULIC PRESSURE CONTROL VALVE
Parker MPS Convum PRESSURE Switch P6N-PG(11)
Parker sandvik high pressure hydraulic filter housing
2669 NEW Parker A4AZ Inlet Pressure Regulator