POLITEC SADRIN 410 B Barrier composed of 4TX and 4RX with Double Optics

Each individual beam is formed by two parallel rays 4 cm apart, this system allows you to Eliminate all false alarms due to insects (flies, caterpillars, butterflies, etc.) that you can Place next to the TX or RX LED, so to obtain the alarm condition it is It is necessary to obscure both rays that make up the affected beam. The barrier consists of a transmission unit (TX), which emits the synchronized beams of modulated infrared rays, and from a receiving unit (RX), which receives all the beams emitted in harmony with synchronism signals. In the event of an interruption of one or more beams, depending on the AND mode or the times of DIPSWITCH programming on board board, the receiving unit will report the status of Alarm through an LED light and relay contact placed on the board itself.