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Curtain lens JS-7902

JS-7902

New product

JABLOTRON ALARMS S.A.

The JS-7902 is a replacement curtain lens for PIR motion detectors. It narrows detection to a vertical curtain—suitable for doors, windows and very narrow passages. Typical range at 2.5 m mounting height is up to 10 m.

More details

More info

JS-7902 is an alternative optical lens for PIR detectors that produces a narrow vertical "curtain" detection pattern instead of a broad coverage area. It is used to create a detection barrier to register crossings through a defined line (e.g. doorways or narrow corridors).

By narrowing the detection field the lens helps avoid unwanted alarms from movement outside the guarded curtain (for example small pets moving along the floor or general activity in the room). After fitting an alternative lens always check the detector manual and run functional coverage tests in the target environment.

Key technical data

  • Type: vertical curtain (curtain) replacement lens for PIR detectors.
  • Working range (recommended mounting height 2.5 m): up to 10 m.
  • Beam angle: approx. 12° (narrow vertical zone).

Compatibility & notes

The lens is listed as an accessory for multiple Jablotron PIR detectors. Replacing the standard lens changes the detector's coverage and may affect normative compliance for some models (the manufacturer warns to verify conformity after lens replacement). Test coverage and sensitivity on site after installation.

Applications: creating virtual barriers at entrances, protecting windows or monitoring very narrow aisles where a vertical detection curtain is required.

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Tehnička specifikacija JS-7902

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