Merten ARGUS 220 KNX Presence Detector, 220°, Dark Brass 632515

In a modern office or meeting room, the Merten ARGUS 220 KNX presence detector quietly manages lighting and HVAC based on occupancy and ambient brightness. Mounted flush in the ceiling at 2.5 m, it covers a wide 220° detection angle and responds to the smallest movements, ensuring energy is used only when needed.

Key specifications

• Detection angle: 220°
• Detection range: up to 16 m radius at 2.5 m mounting height
• Sensor technology: Passive Infrared (PIR)
• Bus system: KNX (21-30 V DC)
• Brightness sensor range: 10 – 2000 lux
• Time delay: 10 s to 60 min adjustable
• Protection rating: IP20
• Material: Thermoplastic (PC)
• Colour: Dark Brass
• Operating temperature: -5 °C to 45 °C
• Mounting type: Ceiling, flush-mounted
• Installation depth: 30 mm

Why choose it

This detector combines motion and presence detection with constant light control, enabling precise automation of lighting and HVAC in KNX installations. Its 7 detection levels and 112 segments provide fine-grained coverage, reducing false triggers and optimising comfort.

Ideal use cases

• Open-plan offices and meeting rooms
• Corridors and stairwells
• Classrooms and seminar rooms
• Hotel rooms and public areas

Good to know

The ARGUS 220 is part of Merten's KNX system and is powered directly from the bus, eliminating the need for separate power supplies. Its discreet dark brass finish blends with premium interior designs.