Pepperl+Fuchs RL31-8-H-800-RT/73C/136 245693 Photoelectric retro-reflective sensor

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Pepperl+Fuchs RL31-8-H-800-RT/73C/136 245693 Photoelectric retro-reflective sensor Supplier In Bangladesh Importer In Bangladesh Best Price In Bangladesh BD

Pepperl+Fuchs RL31-8-H-800-RT/73C/136 Key Features

1. Sensor Type & Technology

• Photoelectric retro-reflective sensor with polarized optics (reliable detection of reflective targets).
• 800 mm (0.8 m) detection range (optimized for mid-range applications).
• Red LED light source (650 nm) with high ambient light immunity (up to 30,000 Lux).

2. Electrical Specifications

• Output Type: NPN Normally Open (NO) (RT in model number = NPN NO).
• Voltage Range: 10–30V DC (standard industrial power supply).
• Switching Current: ≤ 100 mA (short-circuit and reverse polarity protected).
• Response Time: ≤ 1 ms (fast response for dynamic applications).

3. Mechanical & Environmental

• Housing: Rectangular plastic (IP67-rated) for dust/water resistance.
• Mounting: M4 screw slots or bracket mounting options.
• Operating Temperature: –25°C to +55°C (extended range for harsh environments).

4. Special Functions

• Teach-in function (auto-calibration via button or remote input).
• Sensitivity adjustment (potentiometer for fine-tuning).
• Status LEDs (power, output state, and alignment aid).

5. Certifications & Approvals

• CE, cULus, IEC 60947-5-2 (industrial safety standards).
• EMC immunity (resistant to electromagnetic interference).

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Model Number Decoding (RL31-8-H-800-RT/73C/136)

• RL31: Series (retro-reflective sensor).
• 8-H: Housing size/style (compact rectangular).
• 800: 800 mm sensing range.
• RT: NPN NO output (other options: PT = PNP NO, NT = NPN NC).
• 73C: Connector type (M8 3-pin).
• 136: Special variant (e.g., enhanced EMC protection).

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Typical Applications

✔ Packaging machinery (box, bottle detection).
✔ Material handling (conveyor belt object sensing).
✔ Automated assembly lines (part presence verification).