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Motion Detector Hikvision DS-PDC15-EG2-WE(B) PIR Wireless Indoor Wall
The Hikvision DS-PDC15-EG2-WE(B) is a wireless passive infrared (PIR) motion detector for indoor wall mounting. Operating at 868 MHz and powered by a CR123A battery, the compact detector (65.5 mm W × 48.5 mm D × 103 mm H) provides reliable presence sensing and alarm signalling via built-in LED indicators. Designed to integrate with wireless AX PRO systems, it offers precise detection suitable for homes, villas, offices and retail premises.
The detector delivers accurate PIR-based motion detection without the need for wiring, simplifying installation and relocation. Its wireless operation at 868 MHz and battery power enable flexible placement on interior walls. Compact dimensions and LED alarm indicators make it discrete yet easy to monitor. The device is compatible with AX PRO-type wireless security systems, providing enhanced indoor intrusion detection for residential and commercial environments.
Mount the detector on an interior wall at the recommended height for the covered area and secure it according to the manufacturer’s instructions. Insert a CR123A battery and check the LED indicators to confirm power and alarm readiness. Enroll the device into the compatible AX PRO wireless control panel using the panel’s enrollment procedure. After installation, test detection coverage and adjust orientation or position if necessary to avoid false alarms from heat sources or direct airflow.
For reliable operation, place the detector away from direct heating vents, air conditioners and windows exposed to strong sunlight. Replace the CR123A battery when the control panel indicates low battery and verify detector alignment periodically to maintain optimal detection performance.
With this technology, the detector will automatically adjust the upper and lower alarm thresholds based on the external temperature. This allows it to cope with temperature changes and maintain consistent alarm sensitivity. Digital temperature compensation outperforms the traditional method of adjusting the amplifier gain on the detector. Increasing an amplifier’s gain makes the device more susceptible to external interference from other devices, such as radios.

Animals often visit neighbouring backyards — sometimes at night for a short walk. They are harmless to property, so the detector will not trigger an alarm in such cases. Animal‑immune detection technology reduces false alarms caused by animals to a minimum, making Hikvision’s intrusion detector an ideal choice for households with pets or locations frequently visited by harmless wildlife.

Some detectors use PIR technology, which is effective at detecting living targets that emit body heat. Others use microwave technology to detect movement. By combining these two technologies, the intrusion detector only sounds an alarm when both sensors are triggered — indicating something that is both alive and moving. Using this dual technology helps reduce the likelihood of false alarms.
Tri‑detection is another multi‑technology approach: two PIR sensors and one microwave sensor must be triggered simultaneously for the alarm to be sent.

For planned burglaries or other events, intruders might cover or spray‑paint detectors to mask them while the system is disarmed, then break in later knowing the system will not be triggered.
Anti‑masking uses the microwave module to create a second microwave “bubble” that is active at all times and is used solely to prevent masking. The microwave bubble is adjustable between 0 and 1 metre, depending on the application, and ensures any attempt to mask the detector is reported to the control panel.
Anti‑blocking is similar, but it monitors the entire field of view for any blockage. The detector will send an alert to the alarm panel if the field of view is obstructed by objects such as a car, a box, or a pallet.

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