RAY FS WP 456/457, Flow Sensor

RAY FS WP 456/457 Flow Sensor

RAY FS WP 456/457, Flow SensorApplication

Volume measuring component for measuring heat for billing hot water consumption.


  • Facility for remote transmission of flow rates

  • For installation in any position

  • Encapsulated, evacuated and waterproof counter

  • Counter can be rotated as required for easier reading

  • Easily replaceable reed switch

  • Contact rating (without series resistor) max. 24 V (SELV) 0.2 A

  • Very low pressure loss

  • Sealed shield protects against magnetic interference

  • The reed switch is fitted with a 100 Ω , 1/4W protective resistor (cable length 3 m) Can be ordered without series resistor

  • Outstanding long-term accuracy achieved by mounting vane in ring saphire and carbide bearing

  • Condensation-proof transparent cover for unobstructed reading

  • Completely dry-running - no gears in the wet chamber