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Rhomberg Proximity Sensors

Ever been unable to correctly identify an old proximity sensor with a faded label?
Rhomberg sensors are uniquely colour coded to eliminate this problem, as explained below:

  • Red Cable - AC type
  • Blue Cable - Namur type
  • Green Cable - NPN type
  • Yellow Cable - PNP type
  • Red LED - Normally Open Output
  • Green LED - Normally Closed Output
  • Black Sensing Face - Inductive
  • White Sensing Face - Capacitive
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