FSI Technologies Inc. manufactures a full line of high performance encoders, photo-electric sensors, and controls for use in industrial, commercial, military, and medical applications.  We were founded in 1959 as FSI / Fork Standards and are still committed to innovation, quality and performance.
 

Optical Rotary Shaft Encoders

FSI Technologies Inc. offers a complete line of competitively priced, high quality, industrial grade optical incremental rotary encoders, both solid and hollow shaft. Our main product families are:

MBR- Industrial duty encoder at an economical price.

ESE- Fastest availability for common applications.

RSE- our most popular encoder for industrial applications.

HDE- Heavy duty NEMA 4 construction.
 

Kwangwoo Rotary Encoders

FSI Technologies Inc. has partnered with Kwangwoo to offer high quality metric and hollow shaft encoders.


Use our Encoder Selector Guide to view all our models.
 

Photoelectric Sensors

FSI specializes in high performance, specialized construction and build-to-spec photoelectric sensors for OEM applications. We also offer a standard product line of retro reflective, diffused and polarized types with solid state and relay outputs.

The M Series sensors are compact, self-contained photoelectric sensors enclosed in an encapsulated cylindrical 18 mm threaded housing.

The TAC-1000 tachometer probe is a high speed modulated retro-reflective sensor.

The MHRS-A will function at up to 30,000 operations per second in the retro-reflective mode at a distance of 6 feet.
 

Controllers, Counters, & Displays

FSI offers a full line of electronic counters and counter-based controllers which are fully compatible with encoder, sensor and contact closure inputs. These include:

   Electronic Counters
   Preset Electronic Counters
   Digital Tachometers
   Rate Indicators
   Velocity Indicators
   Rate Controllers
   Position Indicators
   Position Controllers
   Cut-To-Length Controllers
   Length Indicators
 

Encoder Accessories

FSI offers a complete line of encoder accessories including:
Measuring Wheels - MB-1 Chariot Mounting Bracket - Couplings
 

  ECS Ordering Guide (600K)

This is the primary catalog for FSI Encoders, Counters and Sensors.