Products catalog

  • Photoelectric sensor | polarized | for transparent object detection | 12m | 88x65x25mm | 24-240VAC/12-240VDC | ABS | red LED beam | IP67

    Code: PTL-PM12SK-D

    Photoelectric sensor operating on the polarized reflection principle ensures precise and stable detection of various objects. Thanks to advanced optical technology, the sensor is suitable for industrial automation systems, robotics, conveyor lines, packaging equipment, as well as for technical enthusiasts and electrical installation projects.

    Made from durable PC/ABS plastic housing and featuring IP67 protection, the sensor operates reliably even in harsh environments – dust, moisture, or vibration. 

  • Technical Specifications

    Detection type: Polarized reflection
    Nominal detection distance: 12 m (non-adjustable)
    Light source: Red LED (660 nm)
    Dimensions: 88x65x25 mm
    Standard target: TD-05 reflector
    Detectable objects: Transparent, semi-transparent, and opaque objects
    Output type: Relay
    Response time: ≤ 30 ms
    Repeat accuracy: ≤ 5%
    Power supply voltage: 24…240 VAC / 12…240 VDC
    Current consumption: ≤ 35 mA
    Load current: ≤ 3 A
    Indicator: Yellow LED – output status
    Ambient temperature: -15…+55 °C
    Ambient humidity: 35–85% RH (no condensation)
    Vibration resistance: 10…50 Hz (0.5 mm amplitude)
    Insulation resistance: ≥ 50 MΩ (500 VDC)
    Dielectric strength: 2000V AC (50/60 Hz, 60 s)
    Protection class: IP67
    Housing: PC/ABS plastic
    Connection: Terminal block 

    Functions and Operating Principle

    The sensor uses polarized retro-reflective technology, allowing it to detect even transparent or highly reflective objects (e.g., bottles, glass, foil). The light beam reflects from the TD-05 reflector, and when an object interrupts the beam, the sensor activates its output.
    This ensures high detection accuracy and prevents false signals even in strong ambient light.

    Applications

    For home users or hobbyists: Suitable for object detection in workshops or DIY automation projects.
    For engineers / automation specialists: Ideal for robotics, production lines, conveyors, counting, or positioning systems.
    For electricians / technicians: Easy installation thanks to the compact housing; clear LED indicators make it simple to check operation status and diagnose faults.

    Pros

    Polarized reflection ensures precise detection even with transparent objects

    Fast response time

    IP67 protection – resistant to dust and moisture

    Visual LED indicator for quick status check

    Resistant to vibration and mechanical impact

    Cons

    Non-adjustable sensing distance 

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.
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