Overview

The Orisec 50 Series PIR Sensor is designed for accurate wired intruder detection in professional alarm systems, combining reliable motion sensing with strong resistance to nuisance activations. Developed for dependable indoor protection, the detector features multi height spherical sealed optics, true creep zone coverage and digital pulse count technology to help maintain consistent performance across a wide range of installation conditions. With a 15 metre detection range, Grade 2 classification and temperature compensation for hot climates, the 50 Series is well suited to residential and light commercial security applications where stable day-to-day operation is essential.

The 50 Series model listed in the datasheet is the IR-50-6PCK, supplied as a pack of 6 detectors. It offers a clean compact design, slide-to-fit front cover construction, sealed optics and RFI immunity up to 2.7GHz, making it a practical solution for installers seeking efficient fitting and dependable coverage.

Key Features

• 15 Metre Detection Range: wide PIR coverage pattern designed for dependable room protection.
• Grade 2 Performance: suitable for professional intruder alarm system applications requiring compliant detector performance.
• Multi Height Optics: supports flexible mounting between 1.8m and 3.1m for easier installation planning.
• Sealed Optics: helps preserve detection stability and long-term optical performance.
• True Creep Zones: improves close-in detection performance directly beneath and around the detector area.
• Digital Pulse Count: selectable digital pulse count of 1 or 2 for balancing sensitivity and stability.
• Temperature Compensation: supports reliable sensing performance in hot climate conditions.
• Advanced Signal Processing: enhances motion analysis to reduce unwanted activations.
• RFI Immunity up to 2.7GHz: designed to resist radio frequency interference in demanding environments.
• Optional Ceiling/Wall Bracket: bracket option available for installation flexibility.

Typical Applications

• Residential intruder alarm systems
• Offices and reception areas
• Retail units and small commercial premises
• Hallways, entrances and circulation areas
• General indoor motion detection zones requiring dependable PIR coverage

Technical Specification