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- 40 cm diffuse infrared detection
- NPN Light-on/Dark-on selectable
- DC12–24V operation, 100 mA load
- IP67 waterproof housing
- Fast 1.5 ms response
Datasheet: 
PTQ18-DU40N
Original price was: Rs 25,000.Rs 12,500Current price is: Rs 12,500.
PTQ18-DU40N is a compact T-style diffuse photoelectric sensor designed for reliable short-range detection in industrial automation. It offers a 40 cm sensing distance on white 10×10 cm targets, bright dual LED indicators for status and alignment, and a fully waterproof IP67 housing suitable for harsh environments. Operating on DC12–24V, the sensor provides NPN Light-on/Dark-on selectable output with fast 1.5 ms response and 100 mA load capacity. Its 31 mm T-shaped body and M12/M18 mounting flexibility make it ideal for conveyors, packaging lines, and general object detection.
Features
- 40 cm diffuse detection (white 10×10 cm target)
- NPN output with selectable Light-on/Dark-on control
- Bright dual LED indicators for status & alignment
- IP67 waterproof ABS housing for harsh environments
- Fast 1.5 ms response time and 100 mA load current
Technical Specifications
| Model | PTQ18-DU40N |
| Sensing type | Diffuse reflection |
| Sensing distance | 40 cm (white paper 10×10 cm) |
| Light source | Infrared LED 850 nm |
| Operating voltage | DC12–24V |
| Current consumption | 20 mA max. |
| Load current | 100 mA max. at DC24V |
| Response time | 1.5 ms max. |
| Output type | NPN L.on / D.on selectable |
| Protection | IP67 |
| Material | ABS |
| Operating temperature | −20 to 60 °C |
| Humidity | 35–85 % RH |
| Wiring | 4-wire Ø4.2 mm cable, 2 m length |
| Weight | Approx. 68.5 g |
Brand
RIKO
RIKO, based in Taiwan, is a leading brand that focuses on delivering precision in motion solutions. With a dedication to innovation, RIKO specializes in manufacturing high-performance sensors and control systems. The brand is recognized for its commitment to providing reliable and advanced technologies that enhance automation and control processes.
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