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Infrared Control System
Model 63501IR
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This battery-powered photocell is ideal for outdoor timing. It is designed to generate an infrared beam. When that beam is broken, a relay is closed and a signal starts a series of clocks or counters.
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Vienna Determination Test - DT - 7 Year License
Model 64044
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Measurement of reactive stress tolerance, attention deficits and reaction speed in the presence of rapidly changing and continuous optical and acoustic stimuli.
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Modified Bassin Anticipation Timer
Model 35580
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When mounted on a series of tripods and connected to a photocell, the Model 35575 Bassin Anticipation Timer is modified for a more complex task.
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