São equipamentos optoeletrônicas que possuem unidades transmissoras e receptoras, produzindo uma cortina de luz infravermelha, capazes de supervisionar uma área útil compreendida pela distância entre essas unidades. Se a área entre as unidades for invadida, as saídas de sinal comutarão informando ao sistema de comando a ela conectado. Podem ser utilizadas nas mais variadas aplicações como, por exemplo, em segurança para proteção de mãos e dedos ou grade eletrônica.
Tamanhos de 250 até 1000 mm
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