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High precision laser displacement reflective sensor for micro object detection using laser triangulation
High precision laser displacement reflective sensor for micro object detection using laser triangulation High precision laser displacement reflective sensor for micro object detection using laser triangulation
Fine 0.05 mm laser spot for detecting extremely small objects with high accuracy Fine 0.05 mm laser spot for detecting extremely small objects with high accuracy
IP67 aluminum housing laser displacement sensor with compact industrial structure IP67 aluminum housing laser displacement sensor with compact industrial structure

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High Precision Laser Displacement Reflective Sensor Small Object Detection NPN PNP Analog Output Laser Triangulation

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This high-precision laser displacement reflective sensor uses a laser triangulation method to measure extremely small objects with exceptional accuracy. It features a fine laser spot as small as 0.05 mm, making it suitable for detecting micro-components, vibration displacement, thickness, and geometric changes. Equipped with NPN, PNP, 0–5 V analog voltage, and 4–20 mA analog current outputs, it integrates easily into automation systems. The sensor adopts a durable aluminum housing, IP67 protection level, switchable response speeds, and a four-digit digital display for real-time distance indication. It is widely used in automation, electronics manufacturing, precision machining, robotics, and industrial inspection.
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Machine Features:


• High-Precision Laser Triangulation

– Uses red semiconductor laser

– Spot as small as 0.05 mm for tiny object detection

– High-accuracy CMOS image sensor


• Multiple Measurement Ranges

– 25–35 mm / 35–65 mm / 65–135 mm / 120–280 mm / 200–600 mm

– Repeat precision as low as 10 μm


• Flexible Output Options

– Analog 0–5 V

– Analog 4–20 mA

– NPN / PNP switching output

– Menu-based mode switching


• Real-Time Digital Display

– Four-digit LED display

– Shows distance, set values, and threshold data


• Strong & Compact Structure

– Aluminum casting housing + acrylic front cover

– IP67 protection

– Suitable for harsh industrial environments


• Easy Setup & Teaching Mode

– Simple threshold and output mode configuration

– Supports normally open / normally closed settings


• Wide Application

– Position measurement, displacement, vibration, thickness, diameter, geometric detection

– Ideal for automation lines and precision inspection


Products Specification:

Category Details
Type Laser reflective displacement sensor
Detection Ranges 25–35 mm / 35–65 mm / 65–135 mm / 120–280 mm / 200–600 mm
Repeat Precision 10 μm / 50 μm / 100 μm / 200 μm / 400 μm / 800 μm
Linearity ±0.1%F.S / ±0.2%F.S
Temperature Characteristic 0.03%F.S/°C
Laser Source Red laser diode, 655 nm, Class 2, 1 mW max
Spot Diameter 50–500 μm (range dependent)
Supply Voltage 12–24 VDC ±10%
Current Consumption <40 mA at 24 V / <60 mA at 12 V
Response Time 1.5 ms / 5 ms / 10 ms (switchable)
Analog Output 0–5 VDC, 4–20 mA
Digital Output NPN / PNP, 50 mA max
External Input NPN contactless input
Adjusting Mode Teaching mode with threshold setting
Display 4-digit LED digital display
Protection Features Overload, short-circuit, reverse-polarity protection
Operating Temperature −10 to +40°C
Storage Temperature −20 to +60°C
Humidity 35–85% RH (operation), 35–95% RH (storage)
Housing Material Aluminum casting body, acrylic cover plate
Cable 5-core composite cable, 2 m
Protection Level IP67
Dimensions 100 × 100 × 432 mm
Weight 11 kg


Products Pictures:

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