Wireless door sensor Ajax 38098 Black — Ajax 38098 wireless magnetic contact sensor, black

Wireless door sensor Ajax 38098 Black is a compact wireless magnetic contact sensor designed to monitor doors and windows and integrate with Ajax security systems. It detects opening and closing events and transmits alerts to the system hub, operating on internal battery power for installation without wiring. The sensor’s unobtrusive black design suits a variety of interiors while providing basic perimeter protection for homes, offices and retail premises.

Advantages

The Ajax 38098 Black offers wireless connectivity for flexible placement and quick installation. Its magnetic contact design provides reliable detection of door and window openings and sends immediate notifications to the connected hub. Battery operation removes the need for wiring and permits discreet installation. The small form factor and black finish make the device visually unobtrusive in most environments.

Suitable for

• Monitoring exterior and interior doors
• Securing windows and sliding doors
• Perimeter protection in homes and apartments
• Access control and intrusion alerts for small offices and retail spaces

Key specifications

• Wireless magnetic contact sensor for doors and windows
• Battery-powered operation for installation without wiring
• Compact enclosure in black finish
• Designed for integration with Ajax security systems and hub communication

How to use

Mount the sensor and its magnet on the door or window frame and the moving sash so that the two parts align when the door or window is closed. Pair the sensor with the Ajax hub following the hub’s device inclusion procedure, then verify communication and battery status through the system app or hub interface. Place the sensor within the wireless range of the hub and secure it using the provided adhesive or screws as appropriate for the installation surface.

Recommendations

Install the sensor on clean, dry surfaces and align the magnet and sensor according to the manufacturer’s alignment marks to ensure reliable detection. Test the sensor after installation and check battery status periodically through the Ajax system interface. For optimal performance, avoid placing the sensor where strong metal objects or thick walls could obstruct radio communication with the hub.