Low-cost single beam photo amplifier
August 2005
Sensors & Transducers
The low-cost PA 09 is intended for use wherever a single infrared beam is required to prevent automatic doors from closing prematurely, therefore preventing injury to passing people/passengers, or damage to the doors themselves.
A complete system consists of a compact photo amplifier with a supply voltage ranging from 12 to 24 V d.c. - a double-relay configuration according to UNI 8612, screw terminals, and a remote transmitter and receiver. These are available in various sized and shaped housings to suit any new or existing installation. It has a high immunity to exterior light with fixed range up to 5 metres in thru beam mode.
For more information contact Telco-Gail Norton Instrumentation, 031 701 4861.
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