IFM NN5009 Inductive NAMUR dual Sensor For Valve Actuators

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IFM NN5009 Inductive NAMUR Dual Sensor – Key Features

1. Sensor Type:
   • Inductive NAMUR (non-amplified, intrinsically safe for hazardous areas).
   • Dual-sensing (two independent sensors in one housing for redundant detection).
2. Detection Principle:
   • Detects metal targets (e.g., actuator pistons, valve stems).
   • Non-contact switching (wear-free operation).
3. NAMUR Compliance:
   • Meets EN 60947-5-6 (NAMUR) standard for process safety.
   • Designed for use with intrinsic safety (IS) barriers in Ex-zones (e.g., Zone 1/21, Zone 2/22).
4. Electrical Specifications:
   • Supply Voltage: 8–30V DC (via IS barrier).
   • Output Signal:
     • NAMUR (NO/NC): Current drops below/rises above threshold (typically <1.2mA = Open, >2.1mA = Closed).
   • Switching Frequency: Up to 1 kHz (fast response).
5. Mechanical Details:
   • Housing: Stainless steel (AISI 303/304) or brass with PTFE seal.
   • Mounting: M12 or M18 threaded (depends on variant).
   • Protection Rating: IP67/IP69K (dustproof, waterproof, high-pressure washdown).
6. Environmental Ratings:
   • Temperature Range: –40°C to +100°C (wider range than standard sensors).
   • Pressure Resistance: Up to 100 bar (for hydraulic/pneumatic valves).
7. Safety Approvals:
   • ATEX/IECEx: Ex ia IIC T6 (hazardous areas).
   • SIL 2/3 (functional safety compliance).

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Typical Applications

✔ Valve position feedback (open/close detection).
✔ Pneumatic/hydraulic actuator monitoring.
✔ Explosion-proof environments (oil & gas, chemical plants).