Overview & Technology:
The Leuze PRK46C.D1/PX-M12 Polarized Retro-Reflective Photoelectric Sensor belongs to the premier Series 46C family engineered by Leuze electronic GmbH + Co. KG (Germany). Featuring an enhanced optical evaluation algorithm (.D1 Version) and a versatile Push-Pull output stage, this sensor reliably solves detection challenges associated with shiny stretch-wrapped pallets and depolarizing transparent foils where conventional optical sensors suffer from beam penetration or false switching.

Key Features & Highlights:
• Specialized Stretch-Wrap Detection (.D1): Confidently discriminates against chaotic reflections and light scattering off glossy plastic wrap, delivering 100% reliable object detection.
• Versatile Push-Pull (PX) Output: Compatible with both PNP and NPN control architectures with selectable Light-on/Dark-on switching, ensuring seamless integration into various PLC systems.
• Extended Operating Range: Provides a dependable operating distance of 0.1 m to 16 m with an operating range limit up to 20 m (using standard Leuze TK/TKS 100x100 reflectors), effortlessly covering wide conveyor widths.
• High-Speed 500 Hz Switching Frequency: Ultra-fast response time (≤ 1 ms) accurately tracks high-speed cartons and pallets across automated lines.
• Dual LED Alignment Diagnostics: Integrated green LED (power/alignment reserve) and yellow LED (switching output status) enable rapid setup and maintenance verification.

Durability & Heavy-Duty Construction:
Housed in a rugged red PC-PBT plastic casing with scratch-resistant PMMA optics, the unit complies with IP67 and IP69K ingress protection ratings and conforms to ECOLAB chemical washdown standards. With an ambient operating temperature range from -40°C to +60°C, it is built for washdown industrial areas and cold-storage logistics facilities.

Practical Value for QA/QC:
Deploying the Leuze PRK46C.D1/PX-M12 sensor prevents unscheduled conveyor stops caused by false pallet detection, streamlines automated palletizing and storage operations (AS/RS), and minimizes plant maintenance costs.

• Manufacturer: Leuze electronic GmbH + Co. KG
• Product Category: Polarized Retro-Reflective Photoelectric Sensor for Stretch-Wrapped Objects
• Model Code: PRK46C.D1/PX-M12 (PRK 46C.D1/PX-M12)
• Series: Series 46C
• Country of Origin: Germany
• Operating Principle: Retro-reflective principle with specialized polarization filter
• Special Application: Detection of stretch-wrapped pallets and depolarizing foils
• Light Source: Visible Red LED (~630 nm, pulsed)
• Guaranteed Operating Range: 0.1 ... 16 m (with TKS 100x100 reflector)
• Operating Range Limit: 0.1 ... 20 m
• Supply Voltage: 10 ... 30 V DC (including residual ripple)
• Open-Circuit Current: ≤ 20 mA
• Digital Output Type: Transistor Push-Pull (Light-on / Dark-on selectable)
• Maximum Output Current: 100 mA
• Switching Frequency: 500 Hz
• Response Time: ≤ 1 ms
• Connection Interface: M12 circular connector, 4-pin (A-coded)
• Ingress Protection: IP67 / IP69K (High-pressure washdown resistant)
• Certifications: cULus, IEC 60947-5-2, ECOLAB chemical compatibility
• Housing Material: Heavy-duty PC-PBT plastic with PMMA optical window
• Operating Temperature Range: -40°C to +60°C
• Storage Temperature Range: -40°C to +70°C