In beam counting, a sensor sends an infra-red beam to a reflector on the the opposite side of the doorway. As someone passes through the doorway, the beam breaks and a person is counted.
Accuracy tends to decrease with wide or busy entrances. If two people cross a beam together, for instance, only one count will be recorded. Direct sunlight onto the beam will also affect the system.
Infra-Red Beam Counterss were in demand some years ago - now higher accuracy and more comprehensive information is generally demanded, such as is attained with video counting systems.
Experience and Expertise
Retail Sensing have nearly 50 years experience in measurement and control. We have 15000 video counting systems installed in over 40 countries.
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10 Stocks Street, Manchester, M8 8QG, UK
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