Photoelectric Beam detector consists of alignment hole, beam strength LED indicators, spherical mirror, LED...etc.
Active Beams
Takex
EVE ER34615(D) 3.6V Lithium D Type Battery
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Takex PB-50F Replacement Cover
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Takex 5m Reflector Single Beam System
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Takex Minature Single IR Beam, Remote Heads (10m Cable)
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Takex 60m Ext / 120m Int Twin Actve Beam
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Takex Miniature Double IR Beam with Control Unit
Optex
Optex AX-70TN External Synchronised Twin Beam 22m
Optex
Optex AX-130TN Basic Synchronised Twin Beam 40m
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Takex 100m Ext / 200m Int Twin Actve Beam
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Takex 11m Reflector Active Beam External
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Takex 30m Ext / 60m Int Twin Actve Beam