OTS35 Optical Totalizer System (Automatic Entrance Counter)

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The OTS35 Optical Totalizer System is a unique optical security device perfect for any passage requiring an entrance or exit counter. It is simple and self-contained – ready for virtually any environment. OTS35 consists of a narrow steel body with a built-in photo beam sensor and reflector that automatically detects and counts people or objects as they pass. The total number is displayed on the 6-Digit LCD Counter, electronically resettable by the turn of a key. The sensor has a 35-foot read range, more than enough to monitor standard pedestrian door entrances, wide double-doors, outdoor gates, garage doors, etc. It has a blink-of-an-eye response time of 10 ms. The potential applications for the Optical Totalizer System are unlimited. It comes standard as a below-ground 6′ square post in galvanized steel (with asphalt anchoring kit included). Additional models and mounting options are available.



  • Steel Body:
    • (1) 6ft tall galvanized square post body with an asphalt anchoring kit
  • Counter:
    • 6-Figure Digital Counter with Lock and Key Reset
    • Large 0.50 inch (12mm) LCD figures for fast, easy reading.
    • Attractive styling and silent operation
  • Photo Beam Sensor:
    • Adjustable sensing range  0.5’~35′ (0.2~11 m)
    • Type Retro-reflective
    • Response time 10ms (max.)
    • Yellow LED (standby)
    • Red LED (trigger)
  • Industrial Outdoor Reflector Tape Roll:
    • 7 X brightness
    • Suitable for rugged outdoor use
    • Weather, impact, abrasion, and solvent resistant
    • High-tack pressure sensitive acrylic adhesive
  • High throughput, immediate response
  • Best for counting traffic flow in one direction per doorway (the single counter adds numbers only – it does not differentiate entry from exit)
  • Encourages users to maintain access control standards
  • Hands-free, barrier-free simple occupancy counting



  • Add a second galvanized steel post for the reflector (reflector tape can go onto any wall/ post / flat opposing surface)
  • Optional Wall-Mounted Model (with 3′ steel post and wall mounting hardware)
  • Upgrade Finish (Powder Coat Color)



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