Optex HX-40RAMi

Optex HX-40RAMI Outdoor PIR Motion Sensor Module

Overview

The Optex HX-40RAMI is a hardened outdoor passive infrared (PIR) motion sensor engineered for perimeter security applications. Designed for integrators and security installers, the HX-40RAMI delivers reliable detection across open areas with minimal false alarms. The sensor's 40-foot detection range makes it suitable for residential and light commercial outdoor deployments where cost-effective perimeter monitoring is required.

Key Features

• 40-Foot Detection Range: Covers standard residential and small commercial perimeter zones with consistent PIR sensitivity
• Outdoor-Rated Construction: Built to withstand environmental exposure including rain, temperature fluctuation, and debris
• Low False Alarm Rate: Engineered detection logic filters out common environmental triggers such as small animal movement and wind-blown debris
• Easy Installation: Wall-mount or pole-mount compatible design with standard bracket hardware
• Standard Security System Integration: Compatible with wired alarm control panels and conventional security system architectures
• Tamper Switch: Integrated tamper detection alerts integrators to unauthorized sensor removal or repositioning

Technical Operation

The HX-40RAMI operates on passive infrared detection, requiring no active transmission or separate power supply beyond standard wired alarm panel integration. The sensor monitors thermal gradients across its 40-foot field of view and triggers an alarm signal when motion patterns consistent with human activity are detected. Dual-element pyroelectric sensors enable directional sensitivity, reducing cross-talk and environmental noise.

Integration & Compatibility

The HX-40RAMI (often searched as HX 40RAMI) integrates directly into wired alarm control panels using standard normally-open (N.O.) relay contacts. Compatible with all major alarm system platforms that support conventional perimeter sensors. The sensor requires no special configuration or firmware updates, making field deployment straightforward for integration teams.

Deployment Recommendations

Install the HX-40RAMI at heights between 6 and 8 feet for optimal detection coverage. Position sensors to avoid direct sunlight exposure and heat sources such as HVAC vents or reflective surfaces that may create thermal disturbance. Integrate into layered perimeter strategies that combine door/window contacts with zone-based motion detection for comprehensive coverage.

Ted Perry

I've specified the Optex HX-40RAMI on numerous residential and light commercial perimeter projects. This is a straightforward, dependable outdoor PIR sensor that performs well in standard environmental conditions. The 40-foot range covers typical property boundaries without requiring complex multi-sensor configurations.

Technical Highlights:

• Detection Range: 40-foot outdoor coverage with dual-element PIR architecture minimizes nuisance alarms from small animals and environmental noise
• Environmental Durability: Outdoor-rated housing withstands rain, temperature swings, and UV exposure common in perimeter installations
• Integration Simplicity: Wired N.O. relay contact output connects directly to any standard alarm control panel—no special modules or configuration required

Deployment Considerations:

• Mount between 6-8 feet high and away from direct sunlight or heat sources; position to avoid roof vents and HVAC discharge
• Pair with door/window contacts and glass-break sensors for layered perimeter defense; PIR alone should not be the sole detection method for high-security applications
• Test detection patterns before final sign-off; environmental reflectors and heat anomalies may require minor repositioning

For residential and light commercial deployments where traditional perimeter monitoring is acceptable, the HX-40RAMI delivers solid reliability at a reasonable cost. It's not a replacement for video surveillance on high-value targets, but it's exactly what you need for effective motion-triggered alerting on property boundaries.