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BIRCHER

Bircher - PIR20 - Motion detector radar


Description

Ease of integration, compact dimensions, precision

  • Outstanding integration possibilities
  • Field settings to the nearest centimeter
  • Flexible range of applications

Passive infrared motion detector

Flexible and reliable

Passive infrared (PIR) motion detectors detect the movements of people or objects emitting thermal radiation and trigger electrical, visual or audible signals. These motion detectors work with temperature-dependent pyroelectric detectors, which react to infrared light of a defined wavelength, i.e. the body temperature of people or heat radiation from vehicles.

Outstanding integration possibilities due to small footprint

The very small dimensions and small footprint of PIR motion detectors make them the ideal solution for applications such as opening gates or activating escalators or elevators. Thanks to its design, the detector is suitable for both flush and surface mounting.

Benefits

  • Very high precision of the detection area
  • Homogeneous detection beam: detection is guaranteed only if the background temperature is close to that of a human being, regardless of the outside temperature
  • Insensitivity to drafts and sudden temperature variations
  • Insensitivity to external disturbances such as rain, snow, etc.

Simple installation and adjustment

Setting fields

The PIR 20 has 12 Fresnel lenses which are directly integrated into the housing cover. In addition, each device is supplied with two diaphragms (including 1 spare). The diaphragm clicks into place in the cover if necessary and it is possible to cut out or detach certain parts. Each open lens (= 1 field segment on the ground) can thus be masked individually in order to integrate precisely.

Zoom technique

The detection angles are continuously adjustable from pos. 0 to 10 using the zoom screw. The detection areas defined by the open Fresnel lenses can be adjusted down to the centimeter with the zoom.

Electrical settings

  • Active/passive switch (NO/NC)
  • Potentiometer to modify the operating temperature threshold: at maximum sensitivity, the temperature difference required with respect to the environment is approx. ± 0.5°C, at minimum sensitivity it is approx. ±6°C
  • Fixed drop-out delay of 0.5 s

In the spotlight

BIRCHER

Automation / Mechatronics / Digital
Description
BBC Bircher Smart Access develops, manufactures and distributes detection systems to secure the increasing flows of people and vehicles all over the world. We design comfortable and energy efficient access systems. Manufacturer of innovative detectors , we are constantly developing new solutions to meet the future requirements of our industrial ...

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