Description

Model:100M / 150M Twin Photoelectric Beam Sensor- 4 Channel P/N:2PH-100BQ / 2PH-150B

This Twin photoelectric beam sensor may be accustomed observe presence of associate degree unwelcome person to a premises by employing a lightweight transmitter, infrared during this case, and a physical phenomenon receiver.

The beams arrangement consists of a receiver placed at intervals the line-of-sight of the transmitter. once associate degree object is detected the sunshine beam from the transmitter is blocked from aiming to the receiver, leading to associate degree alarm signal being sent to the device.

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