Tri-Tronics Co. provides photoelectric sensors and fiber optic light guides; registration sensors, label sensors, luminescence UV and general purpose sensors

Tri-Tronics Product Solutions

SMARTEYE® high resolution, high speed sensor features our unique Contrast indicator that provides for precision set-up and performance verification no matter how minute the light-to-dark contrast. Multiple lens configuration modes including fiber optic mode.

SMARTEYE® EZ-PRO™ high performance, automatic adjusting photoelectric sensor that can be set-up and configured by a single push of a button. Multiple lens configuration modes including fiber optic mode.

SMARTEYE® EZ-PRO™ Long-Range is a high performance photoelectric sensor that can be set-up and configured by a single push of a button.

SMARTEYE® HIGH INTENSITY super bright IR thru-beam solves thru-beam sensing tasks where the material is dense for container contents sensing, where the lens is subject to contamination build-up, or for long-range sensing in harsh environments.

SMARTEYE® MARK II high performance sensor with "Enhanced Dynamic Range" is a high-resolution photoelectric sensor capable of performing sensing tasks most other sensors can't accomplish. It provides extended operating ranges, enhanced background suppression and the elimination of saturation problems. Multiple lens configuration modes including fiber optic mode.

SMARTEYE® Mark III miniature high performance photoelectric sensor in a miniature size that you can use anywhere for any task... including your toughest industrial sensing applications.

MARK•EYE PRO high-resolution registration mark sensor detects printed registration marks on a continuous webs at high-speeds. Set-up and configuration at the push of a single button. Configurable lens or fiber-optic modes.

OPTI-EYE miniature DIN rail mountable sensoris rugged, cost effective, miniature, easy to use, versatile, and waterproof. High reliability for those tough general purpose industrial sensing tasks.

X-PRO XP10 X-tremely high-speed dual-function sensors offer the highest speed (10µs) dual-function sensor in the world. One mode for precision registration mark sensor with 5µs repeat¬ability and the other mode for standard photoelectric sensing of any high speed application.

X-PRO XPC general purpose sensor with data port used for a wide range of applications. Great for applications where physical contact of the sensor is either restricted, undesirable, or delays production line throughput. RS-232 single sensor or RS-485 multi-drop data port.

MINI LABEL EYE label sensor high speed miniature label sensor is a special purpose gap or slot sensor optimized to sense adhesive labels adhering to a roll of backing paper.

The FS Fork Sensor is simple to use. The metallic housing is ultra rugged and comes in a wide range of gap sizes. The fork style design is easy to align and simple to adjust.

CLS, CLEAR LABEL SENSOR with durable metal housing that provides visual confirmation of proper setup and function. Detects clear and opaque labels on clear and opaque webs

HIGH SPEED LABEL•EYE ultra-high- speed label sensor is 10x faster than standard LABEL•EYE. Increases speed and accuracy of label applying, counting, printing and inspecting tasks. Ultra easy one button set-up

LABEL•EYE label sensor senses a large variety of opaque and semi-transparent adhesive labels on opaque webs. Automatic one-touch sensor… not the conventional "teach mode" sensor. Set-up is simple!

RETROSMART retroreflective clear object sensor detects clear/translucent containers and shiny objects from the leading edge to the trailing edge without false signals.

SMARTDOT precision laser sensor detects small parts detection at long ranges. Used to detect such things as a tab on a battery, a misaligned or missing bottle cap, or a cross-threaded can lid.

U.S. EYE AC/DC sensor with timer, relay, or triac output ia self-contained, easy-to-use sensors available in a wide variety of sensing models (thru-beam, retroreflective, proximity and fiber optic) to fit virtually any application.

X-MARK X-tremely high-sppeed registration mark sensor is the fastest, most accurate registration mark sensor available on the market. 10us response time and 5us repeatability. Great for printing, packaging, and converting applications.

SMARTEYE® PRO is an automatic event-driven, self-adjusting photoelectric sensor that compensates for deteriorating changes during operation. Set-up and configuration at the push of a single button. Configurable lens or fiber-optic modes.

STEALTH-UV ANALOG UV Luminescence Sensor with analog and digital outputs. Using UV light, sensor detects the presence of invisible fluorescent materials contained in special chalk, ink, paint, grease, glue, and optical brighteners found in labels, paper, tape, string, etc.

COLORMARK™ II Contrast Sensor for registration marks offers high-speed, high-resolution registration mark sensing. Able to meet the demands for precision registration control on high-speed packaging machinery.

MITY•EYE miniature sensor provides the same features and benefits of large, expensive sensors... at an affordable price. Interchangeable solid "optical grade" high impact lenses available for many sensing applications.

TINY•EYE fills the need for a standard "low cost" miniature DC-powered sensor with the flexibility to perform a multitude of industrial sensing tasks.

MINI-EYE™ miniature sensor is very economical and snout mountable in tight locations. Rugged and waterproof for use in hostile environments. Immune to indirect ambient light and strobes.

EZ-EYE™ miniature push button sensor is versatile for a wide range of automated machine control applications and simple to set-up using our unique one-touch AUTOSET routine. EZ to align and EZ to adjust.

TB12 through-beam sensor with ultra-low-power design, features a receiver current of 10mA and a transmitter current of 5mA. Ideal for battery powered automated vehicles.

MINI LABEL EYE label sensor high speed miniature label sensor is a special purpose gap or slot sensor optimized to sense adhesive labels adhering to a roll of backing paper.

High speed registration sensors are optimized for the detection of printed registration marks on packaging material as they pass through the sensor’s light beam.  The Markeye Pro sensor is designed and optimized for detection of printed registration marks on a continuous web at high-speeds.  The Mark•Eye is a registration mark sensor designed to see printed registration marks on most packaging materials on a continuous web.

  • Standard Glass
  • Miniature Glass
  • Economical Plastic Light Guides
  • Wide Selection of Tips
  • Custom Solutions

Tri-Tronics Videos

COLORWISE True Color Sensor
Clear Label Sensor
SMARTDOT Laser Sensor


TRI-TRONICS has been designing and manufacturing high-quality high-performance photoelectric sensors and fiber optic light guides since 1954. Designed, assembled, and tested in the US, their team of developers, management, and production staff work tirelessly to ensure you receive the highest quality product - reach out to Gibson Engineering to learn more about Tri-Tronics sensing technology today!