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Proximity Sensor Inductive 4mm NPN
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Proximity Sensor Inductive 4mm NPN in Lahore Pakistan
๐ง Product Name:
Inductive Proximity Sensor โ 4mm Sensing Distance, NPN Output, M8 Housing
๐ฆ Product Overview:
The Inductive Proximity Sensor โ 4mm, NPN is a compact, non-contact sensor designed to detect metal objects with high precision. With a sensing range of 4mm, this sensor is ideal for detecting ferrous metals in applications such as automation, manufacturing, robotics, and machinery control.
It uses inductive technology to detect metallic targets without physical contact, making it highly durable and suitable for harsh environments.
๐ Technical Specifications:
| Specification | Detail |
|---|---|
| Sensor Type | Inductive Proximity Sensor |
| Sensing Distance | 4mm |
| Output Type | NPN (Normally Open) |
| Switching Frequency | 500 Hz (typical) |
| Operating Voltage | 10โ30V DC |
| Current Consumption | < 15 mA |
| Max Load Current | 150โ200 mA |
| Housing Material | Nickel-plated brass or stainless steel |
| Housing Size | M8 or M12 (Threaded Cylindrical) |
| Output Indicator | LED (Red or Green) |
| Cable Length | 2 meters (PVC or PUR) |
| Protection Rating | IP67 |
| Operating Temp. | -25ยฐC to +70ยฐC |
| Connection Type | 3-wire cable (Brown = V+, Blue = GND, Black = Output) |
๐ Key Features:
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โ 4mm Sensing Distance โ Ideal for short-range metal detection
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โ Non-contact Sensing โ No mechanical wear or friction
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โ NPN Output โ Easy integration with PLCs or controllers
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โ LED Indicator โ Visual signal for output status
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โ IP67 Rated โ Dustproof and water-resistant for industrial use
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โ High Reliability โ Resistant to vibration, oil, and dust
โ๏ธ How to Use:
๐งฉ Installation:
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Mounting
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Insert the sensor into a threaded bracket or mount using its cylindrical body (typically M8 or M12). Ensure the sensing face is aligned with the target.
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Wiring
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Brown wire โ +V (10โ30V DC)
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Blue wire โ Ground (0V)
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Black wire โ Output (NPN, NO โ connects to load/PLC input)
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Testing & Operation
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When a metal object comes within 4mm of the sensing face, the sensor switches its output.
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The LED indicator lights up to show detection status.
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๐ Common Applications:
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Position detection in automation lines
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End-stop or object presence detection
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Gear, shaft, or cam rotation sensing
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Machine cycle counting
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Conveyor belt object detection
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Door and gate control systems
๐ก Benefits:
| Feature | Benefit |
|---|---|
| Compact Design | Fits in tight spaces and limited mounting areas |
| Durable Construction | Withstands industrial environments |
| Easy to Install & Use | Simple wiring and fast setup |
| Maintenance-Free | No moving parts means longer life |
| Flexible Integration | Compatible with PLCs, relays, and I/O modules |
๐ Ordering Options:
| Model Code | Sensing Distance | Output Type | Housing Size | Connector Type |
|---|---|---|---|---|
| PS-4MM-NPN-M8 | 4mm | NPN, NO | M8 Threaded | 2m Cable |
| PS-4MM-NPN-M12 | 4mm | NPN, NO | M12 Threaded | M12 Connector |





