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Grainger Gems Sensors RFO RotorFlow Electronic Flow Sensor, Brass, 0.5-5 GPM, 1/4 in. FNPT, 1 ea

Catalog No. 502794073
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The RFO series electronic flow sensor is a durable rotary flow switch engineered for hydraulic and lubrication systems. It provides dependable flow monitoring in demanding industrial environments by utilizing high-visibility rotors paired with solid-state electronics to deliver reliable pulsed output signals.

  • Features a brass housing rated for pressures up to 200 psi.
  • Supports a measurement range of 0.5 to 5.0 GPM with ±7% accuracy.
  • Operates within a temperature range of -20°F to +212°F.
  • Includes a 24 in. long, 22 AWG, 3 conductor PVC cable for secure termination.
  • Utilizes a 1/4 in. FNPT connection and includes a low flow adapter.
  • Ideal for water purification, semiconductor processing equipment, chillers, and lasers.

Catalog No. 50-279-4073 Supplier Grainger Supplier No. 1AMD1
May include imposed supplier surcharges.
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The RFO series electronic flow sensor is a durable rotary flow switch engineered for hydraulic and lubrication systems. It provides dependable flow monitoring in demanding industrial environments by utilizing high-visibility rotors paired with solid-state electronics to deliver reliable pulsed output signals.

  • Features a brass housing rated for pressures up to 200 psi.
  • Supports a measurement range of 0.5 to 5.0 GPM with ±7% accuracy.
  • Operates within a temperature range of -20°F to +212°F.
  • Includes a 24 in. long, 22 AWG, 3 conductor PVC cable for secure termination.
  • Utilizes a 1/4 in. FNPT connection and includes a low flow adapter.
  • Ideal for water purification, semiconductor processing equipment, chillers, and lasers.

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