Ideal for securing high-risk commercial environments where reliability and precision are essential. The Orisec SQ‑400‑AM delivers both. This advanced intruder detector is BS 8243 Grade 3 certified, making it ideal for offices, retail units, warehouses, and other vulnerable sites.
Combining dual-technology sensing (PIR and microwave), sequential confirmation logic, and active anti-masking, Orisec has created the SQ‑400‑AM to detect genuine threats, reducing false alarms.
With adjustable mounting heights, sealed optics, and strong resistance to real-world interference such as RF noise and tampering, this detector is an ideal choice for businesses seeking both high performance and peace of mind. I examine the key features and benefits that make this detector an ideal choice for security installations.
“When it comes to securing high-risk commercial sites, there’s no room for compromise. The Orisec SQ‑400‑AM gives our clients the reliability and compliance they need. With advanced detection, tamper protection, and minimal false alarms, it’s a smart choice for serious security.”
Why Grade 3 Matters for Commercial Security
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Complies with BS 8243 Grade 3, essential for protecting higher-risk environments like offices, warehouses, and retail units
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Meets insurance and regulatory standards
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Demonstrates a professional-grade approach to intrusion detection
Sequential Confirmation: Smarter, More Accurate Detection
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Reduces false alarms caused by animals, insects, or temperature changes
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Only triggers alerts after multiple sensing confirmations
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Ideal for monitored or police response systems that require alarm confirmation
Dual Technology: PIR + K-Band Microwave
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Passive Infrared + 24 GHz microwave sensing
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Non-overlapping fields for precise detection over a 15 m range
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Stable performance even in challenging environments
Anti-Masking Technology: Proactive Tamper Defence
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Detects spray, dust, tape, or anything attempting to obscure the lens
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Critical for sites vulnerable to deliberate sabotage or pre-breach interference
Flexible Mounting & Installer-Friendly Design
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Effective at heights from 1.8 m to 3.1 m without adjustment
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Sealed optics reduce dust and insect interference
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5 mm terminal blocks for easy wiring
Eradicate Time-Wasting False Alarms Get in Touch
A Detector You Can Trust
The Orisec SQ‑400‑AM isn’t just another motion sensor — it’s a powerful tool for keeping commercial premises secure. With advanced false-alarm suppression, tamper protection, and compliance with Grade 3 standards, it’s built for serious security demands.
Need Help with Installation or System Design?
At IPS Fire & Security, we can advise on the best placement, integration with control panels, and ongoing maintenance to ensure your security system operates optimally, remains compliant, and remains effective. Get in touch with the team.
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