US Digital

Pewatron works closely with US Digital since more than 15 years. In 2009, Pewatron became official distributor of US digital, promoting their high quality products in Europe.

US Digital began in 1980 in Los Alamitos, California, and produced their first incremental encoder, which revolutionized the motion control industry with its user-friendliness, pricing and off-the shelf product availability. All products are engineered and produced in Vancouver, USA.

The large product range  includes encoders and kit-encoders:

  • Fitting NEMA 8-34 motor frames and CPRs up to 10’000
  • Encoders fitting shaft diameters from 2mm to 1-inch
  • Electrical output options compatible with all controller interfaces
  • Linear strips up to 35.5"
  • Disk max diameter of 24" (larger sizes available upon request)

US Digital’s custom options include modifications to our standard products, kit-encoders, components, and transmissive media including:

  • Linear Strips and Custom Disks
  • Code wheel patterns
  • Hub disks
  • Mounting Holes
  • Enclosures
  • Cables


  • Motor Feedback
  • Textile machine position feedback
  • Robotics
  • Drones
  • Industrial automation
  • Solar plants
  • Additive manufacturing


Indoor air quality measurement made reliable – the TB600C-ES1-TVOC-2000ppm gas sensor module

The TB600C board is designed for indoor air quality applications and is paired with a ES1 sensor for measurements of gas concentrations close to the upper tolerance limit for VOCs.  There are more...

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Ready-to-use indoor air quality monitoring device – the EC Nose

Take the TB600C-ES1-TVOC-2000ppm gas sensor module and put it into a rugged housing together with a long-life chargeable battery, a USB charger and a green-yellow-red LED scale to indicate the level...

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CO2 concentration measurement with high accuracy and for multi-point measurements - the Carbondio module

The Carbondio-ppm NDIR series is ideally suited for the detection of CO2 concentrations in ranges from 0-500 ppm up to 0-10.000 ppm. The low signal drift ensure long time stability and less need for...

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New ultra-Low Power CO2 Sensor for stand-alone gas sensing devices – CozIR-LP3

The CozIR-LP3 CO2 Sensor with < 3.5mW average power consumption, low-profile form factor and  multiple fixturing options is designed to run fully autonomously with automatic self-checking and...

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E4T – the compact miniature optical encoder of US Digital with a resolution of up to 1000 cycles per revolution

With its combination of compact shape and resolutions of up to 1000 cycles per revolution (CPR), the E4T is ideal for medical applications and others, such as door controls, in which a limited space...

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16mm Micro Optical Kit Encoder E16

As addition to the very successful 22mm E4T kit encoder, US Digital launches the new E16 with only 16mm diameter and resolution up to 4096 cycles / revolution with Index, specially developed for small...

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E8T flat miniature optical encoder of US Digital with a resolution up to 720CPR

Pewatron introduces US Digital’s E8T miniature optical encoder. Combining small form factor and resolutions up to 720 CPR, the E8T is ideally suited for medical and other space sensitive applications...

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