Akusense PTN-RM3 photoelectric sensor, precise sniping in a small space with high reflection
Akusense PTN-RM3 photoelectric sensor, precise sniping in a small space with high reflection
In the field of industrial automation detection, highly reflective materials-such as stainless steel plates, aluminum parts, mirror coatings, and bright metal shells-are always a major technical problem facing photoelectric sensors. The newly launched PTN series square photoelectric sensor, with stable performance and reliable quality, has accumulated a good market reputation in conventional industrial testing scenarios.
In the field of industrial automation inspection,Highly reflective materials—such as stainless steel sheets, aluminum components, mirror coatings, and glossy metal casings.This has always been a major technical challenge for photoelectric sensors.
Materials of this type exhibit strong specular reflection; the incident light beam, upon reflection, generates significant stray polarized light, which interferes with the receiver’s ability to make accurate detections. This results in frequent false triggers, missed detections, and signal jitter, ultimately leading to equipment downtime, reduced product yield, and a sharp increase in maintenance costs. Especially in industries such as 3C electronics, new energy, semiconductors, and packaging—where precision and efficiency are of paramount importance—this issue is magnified to an extreme degree.
In response to the aforementioned pain points in the industry,Akusense Sensor technology leverages profound expertise in optoelectronics and extensive field application experience.Newly launched PTN series square photoelectric sensor.Relying on its stable performance and reliable quality, it has earned a strong market reputation in conventional industrial inspection applications.
Centered on a reflecting optical architecture, it is equipped with a 630nm high-stability red-light LED source, integrates an independent photoelectric noise filtering algorithm and a precision optical system design, and undergoes specialized optimization across the entire signal processing pipeline—from the optical layer to the signal processing stage.
Most importantly, the PTN-RM3 series incorporates advanced polarizer technology, effectively giving the sensor “polarized sunglasses” that precisely filter out ambient stray light and background noise. This eliminates the hassle of false triggers in bright light conditions, ensuring accurate and stable detection performance even in highly reflective extreme environments.
Measured typical materials
To verify the series’ ability to detect highly reflective materials, we selected three representative types of highly reflective workpieces commonly found in the market for real‑world photography and testing. Click to view the video.👇
1. High-reflectivity stainless steel sheet
2. Metal cylinder
3. Uneven metal workpiece
Core Parameter Interpretation ---
Maximum detection distance:When used with a reflector, it can achieve a beam spot size of φ160mm at 3 meters, making it suitable for wide-belt conveyor lines and long-distance detection of highly reflective materials.
Maximum switching frequency:≤300 Hz, suitable for high- and medium-speed conveyor line counting, sorting, and positioning tasks.
Light-emitting source:630nm red LED; visible light is easy to align, with a balanced combination of light penetration and anti-interference performance.
Polarizer technology:Built-in high-efficiency polarization filter system effectively suppresses specular reflection and stray light, ensuring signal purity even in bright-light environments.
Protection level:IP67-rated, offering dust resistance and withstanding brief immersion and spray washing, making it suitable for harsh environments such as wet production lines and dusty workshops.
Ultra-compact, flexible deployment:The PTN-RM3 is only finger-sized, featuring a compact design specifically tailored for tight installation spaces, enabling highly flexible deployment even in challenging conditions. It can be easily installed, even when the internal space of the equipment is extremely limited.
Classic application scenarios
1. Logistics and Warehousing
Detection of the presence or absence of goods on the conveyor line, parcel sorting, pallet detection, and collision avoidance and cargo detection for AGVs/shuttles.
2. Automobile manufacturing
Body inspection, component positioning, assembly line position verification, metal part inspection
3. Food, Beverages, and Packaging
Transparent PET bottle/glass bottle inspection, cap presence detection, cans filling line inspection, film packaging inspection.
Product parameters
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Akusense Technology Co., Ltd.