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PB-1191 Beam Detector
Overview
Figure 1
PBA-1191
Characteristics
• Microprocessor-controlled signal processing
• Suitable for surveillance ranges from 17 to 280 feet
• Operates according to the principle of light-attenuation by smoke
• Response behavior selectable In 3 sensitivity stages
• Automatic digital compensation of ambient Influences
• High immunity to extraneous light
• Transmitter and receiver installed in the same housing
• Easy installation, adjustment, and commissioning
• Two-wire installation
• Comprehensive accessories
• New diagnostic capabilities with fuzzy logic
• Efficient signal processing algorithms with application-specific characteristics
• Comprehensive EMC concept based on the latest technologies enables the detector to be
installed in difficult environments
• Integrated multi-coincidence circuit suppresses extreme electrical and optical noise signals
• Automatic and comprehensive self-test design
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