AI NEXT QT-40 Passive Infrared Detector

Designed for dependable indoor intrusion detection, the AI NEXT by Aleph QT-40 Passive Infrared Detector delivers accurate motion sensing while cutting nuisance alarms. This PIR motion detector combines Quad Tech microwave and passive infrared sensing with Qualified Motion Analysis (QMA) and dual-slope temperature compensation to keep detection consistent across temperature changes and busy environments. An optional 100 lb animal-immunity lens reduces false trips from pets, making the QT-40 ideal for retail, office, and residential security applications. At just 4.8" x 2.5" x 1.7" and weighing only 3 oz, the low-profile housing discreetly integrates into existing surveillance and monitoring systems. Technicians will appreciate the multi-function LED and ambient temperature diagnostics for fast commissioning and routine maintenance. Whether you’re upgrading an access control perimeter or expanding an IP surveillance solution, the AI NEXT QT-40 Passive Infrared Detector gives you accurate, low-noise motion detection that improves overall system reliability. Add the QT-40 to your security plan today or contact sales to specify it for your next monitoring project.

• Proven false-alarm reduction with Quad Tech microwave + PIR sensing for more reliable intrusion detection
• QMA and dual-slope temperature compensation maintain sensitivity in changing indoor environments
• Optional 100 lb animal-immunity lens minimizes nuisance triggers from pets and small animals
• Compact, low-profile indoor design (4.8" H x 2.5" W x 1.7" D) installs easily in commercial and residential sites
• Multi-function LED and ambient-temperature diagnostics simplify setup, testing and on-going surveillance monitoring