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IR Proximity Sensor Switch E18-D80NK

SKU: N30O713WR2
★★★★ ★ ★
4.5 (64 reviews)
The IR Proximity Sensor Switch E18-D80NK is an adjustable infrared photoelectric sensor designed for non-contact object and obstacle detection. It combines an infrared transmitter and receiver in a compact cylindrical housing and detects objects by sensing infrared light reflected from their surfaces. The sensor provides a digital switching output when an object enters its configured detection range. The E18-D80NK offers...
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The IR Proximity Sensor Switch E18-D80NK is an adjustable infrared photoelectric sensor designed for non-contact object and obstacle detection. It combines an infrared transmitter and receiver in a compact cylindrical housing and detects objects by sensing infrared light reflected from their surfaces. The sensor provides a digital switching output when an object enters its configured detection range.

The E18-D80NK offers an adjustable sensing distance of approximately 3cm to 80cm, depending on the target object's size, surface reflectivity, angle, and environmental conditions. The detection distance can be adjusted using the potentiometer located at the rear of the sensor. Unlike analog distance sensors, the E18-D80NK provides an ON/OFF digital detection signal rather than a continuously varying distance measurement.

The sensor typically operates from a 5V DC supply and uses a 3-wire connection for power, ground, and signal output. Common E18-D80NK versions provide an NPN open-collector, normally open output, making the sensor suitable for robotics, object counting, conveyor systems, automatic doors, parking systems, industrial automation, and microcontroller-based projects.

Key Features

  • Infrared-based non-contact object detection
  • Adjustable detection range from approximately 3cm to 80cm
  • Integrated infrared transmitter and receiver
  • Diffuse reflective sensing principle
  • Digital switching output
  • NPN normally open output on common versions
  • Fast response time of less than 2ms
  • Built-in detection range adjustment
  • LED detection status indicator
  • Compact cylindrical sensor body
  • Threaded housing for easy panel mounting
  • Simple 3-wire electrical connection
  • Low power consumption
  • Maximum output load current up to 100mA on common versions
  • Suitable for robotics and automation applications
  • Easy interfacing with microcontrollers and control circuits
  • Reverse-polarity protection listed for common sensor versions

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Sensor Type: Infrared Proximity / Photoelectric Sensor Switch
Model: E18-D80NK
Detection Principle: Diffuse Reflective Infrared Detection
Detection Type: Non-Contact Object Detection
Sensing Range: Approximately 3cm to 80cm Adjustable
Operating Voltage: 5V DC
Typical Supply Current: Less Than Approximately 25mA on Common Versions
Output Type: Digital Switching Output
Output Configuration: NPN Open-Collector on Common Versions
Output Operation: Normally Open (NO)
Maximum Load Current: Up to 100mA
Response Time: Less Than 2ms
Detection Angle: Approximately ≤15° on Common Versions
Detection Adjustment: Rear-Mounted Potentiometer
Status Indicator: Detection LED
Housing Type: Threaded Cylindrical Body
Housing Material: Plastic
Sensor Diameter: Approximately 17mm to 18mm
Sensor Length: Approximately 45mm to 50mm, Depending on Variant
Cable Length: Approximately 40cm to 50cm, Depending on Variant
Operating Temperature: Approximately -25°C to +55°C or +70°C, Depending on Variant
Connection Type: 3-Wire Cable
Compatibility: Arduino UNO, Nano, Mega, ESP32, STM32, Raspberry Pi GPIO, PIC, AVR, 8051, PLC input circuits and other digital control systems.

Additional Resources

Proximity Sensor.PDF

FAQ

1. What is the E18-D80NK IR Proximity Sensor used for?

The E18-D80NK is used for non-contact object and obstacle detection. It is commonly used in robots, conveyor systems, object counters, automatic doors, industrial machines, parking systems, and automation projects.

2. What is the detection range of the E18-D80NK sensor?

The sensor typically provides an adjustable detection range of approximately 3cm to 80cm. The actual sensing distance depends on the target surface, size, reflectivity, angle, and surrounding environmental conditions.

3. Can the E18-D80NK measure the exact distance of an object?

No. The E18-D80NK is primarily a proximity switch that provides a digital detection signal. It indicates whether an object is inside the configured sensing range but does not provide a continuous numerical distance measurement.

4. Is the E18-D80NK compatible with Arduino and ESP32?

Yes. The sensor can be used with Arduino, ESP32, STM32, Raspberry Pi, PIC, AVR, and other digital control systems. The output type and logic voltage requirements should be considered when connecting it to 3.3V controllers.

5. How is the sensing distance of the E18-D80NK adjusted?

The detection distance is adjusted using the potentiometer located at the rear of the sensor. Turning the adjustment control changes the sensing threshold, allowing the detection range to be configured for the application.