Absolute Encoders

Absolute encoders are essential for precise motion control, providing exact position data for automation, robotics, and industrial machinery. Unlike incremental encoders, absolute encoders retain position information even after a power loss, ensuring reliability and accuracy in critical applications.

At Encoder Technology, we stock the largest range of encoders from pioneering brands such as Tamagawa Seiki, Motrona, Heidenhain, TWK, and many more, for all your engineering needs. Plus, we offer same-day delivery on all UK orders, ensuring you get the products you need without delay. With expert customer support and competitive pricing, we are your trusted partner for high-quality encoder solutions.

Browse our range of absolute encoders today.

  • Features

    • Standard Size 25 package (2.5")
    • Resolutions up to 12-bit (4096 counts)
    • Incorporates Opto-ASIC technology
    • Industrial-grade, heavy-duty housing
    • Optional IP67 seal

  • Features

    • Low profile—40mm
    • Thru-bore or hollow-bore styles
    • Industrial-grade, heavy-duty housing
    • State-of-the-art Opto-ASIC circuitry

  • Features

    • Standard Size 36mm package (1.42")
    • Durable magnetic technology
    • Multiturn absolute encoder (12-bit/39-bit)
    • SSI and CANopen communications
    • Proven new turns counting technology — no gears or batteries

  • Features

    • Standard Size 36mm package (1.42")
    • Durable magnetic technology
    • Multiturn absolute encoder (12-bit/39-bit)
    • SSI and CANopen communications
    • Proven new turns counting technology — no gears or batteries

  • Features

    • Multi-Turn Absolute Encoder (14 Bit/39 Bit)
    • SSI and CANopen Communications
    • 58 mm Diameter
    • Durable Magnetic Technology
    • Proven Turns Counting Technology – No Gears or Batteries
    • Retains Absolute Position After a Power Outage

  • Features

    • Standard Size 36mm package
    • Durable magnetic technology
    • Up to 14 bits of single-turn resolution
    • SSI and CANopen communications
    • Proven turns counting technology—no gears or batteries
    • Flex mount eliminates couplings and is ideal for motors or shafts

  • Features

    • Standard size 36 mm package (1.42")
    • Durable magnetic technology
    • Up to 14 bits of single-turn resolution
    • SSI and CANopen communications
    • Proven new turns counting technology — no gears or batteries

  • Features

    • Up to 14 Bits of Single-Turn Resolution
    • SSI and CANopen Communications
    • 58 mm Diameter
    • Durable Magnetic Technology
    • Retains Absolute Position After a Power Outage

  • Features

    • Robust aluminium or stainless steel housing (wall thicknesses up to 5 mm)
    • Stainless steel shaft and ball bearing - ball bearing with Simmer ring
    • Rotor with shaft and permanent magnet mounted in pre-chamber
    • Sensor circuit consisting of ASIC
    • Hall elements and interface electronics in enclosed main chamber
    • Housing protection type IP 69K additionally cast
    • Electrical connection via cable (open cable ends)

  • Features

    • Interface: SSI
    • Design: 42mm
    • Housing Material: Aluminium, stainless steel
    • Flange & Shaft: Synchroniser flange
    • Resolution: 4096 steps/360°<)
    • Code type: Binary, Gray (optional)
    • Electrical connection: Cable 1m
    • Electrical and/or mechanical variant: Basic version

  • Features

    • Robust aluminium or stainless steel housing (wall thicknesses up to 5 mm)
    • Stainless steel shaft and ball bearing - ball bearing with Simmer ring
    • Rotor with shaft and permanent magnet mounted in pre-chamber
    • Sensor circuit consisting of ASIC
    • Hall elements and interface electronics in enclosed main chamber
    • Housing protection type IP 69K additionally cast
    • Electrical connection via cable (open cable ends)

Precision and Reliability with Absolute Encoders

From absolute rotary encoders to absolute linear encoders, we offer the largest range of encoders in the UK for a range of sectors. Our absolute encoders deliver unparalleled accuracy by providing precise position data in real time, even after power interruptions. We have a variety of absolute encoders suitable for several applications allowing you to optimise your workflow:

  • Absolute Multi-Turn Hollow Shaft Encoders: Used to accurately monitor angular position over multiple revolutions, making them ideal for applications requiring precise long-range motion tracking and compact installation on rotating shafts.
  • Absolute Multi-Turn Standard Shaft Encoders: Provide reliable and accurate position feedback over multiple revolutions, featuring a robust standard shaft design that ensures easy integration into a wide range of mechanical systems, from industrial machinery to automation equipment.
  • Absolute Single-Turn Hollow Shaft Encoders: Designed to provide precise position feedback within a single revolution, featuring a hollow shaft for easy integration onto shafts or axles without the need for additional mounting hardware, making them ideal for space-constrained applications.

If you’re looking for a custom-built encoder for a more unique application, check out our Special Designs – built for more specific tasks.

Uses for Absolute Encoder

Absolute shaft encoders are essential for industries that demand accuracy and consistency. Whether used for rotary or linear motion, the versatility of an absolute encoder ensures optimal performance in a wide range of applications:

  • Automotive Manufacturing: In automated manufacturing and assembly processes, encoders play a critical role in coordinating the movement of components. They provide precise feedback on speed and position, minimising mistakes and enhancing productivity in sectors such as packaging, pharmaceuticals, and automotive.
  • Aerospace: Aerospace applications demand extremely high precision for tasks like navigation, flight control, and targeting systems. Absolute encoders offer fine resolution and consistent position data, which is essential for accurate and reliable performance in these critical systems.
  • CNC Machining: Absolute encoders provide an absolute position reading with each rotation, meaning that when the CNC machine is powered up, it immediately knows its exact position without needing to return to a reference or home position. This is especially important in high-precision machining, where even a small error can affect the final product.
  • Renewable Energy:  Encoders are vital for precise positioning in wind turbines and solar tracking systems, ensuring optimal alignment for energy generation. In wind turbines, they adjust blade angles for maximum wind capture, while in solar systems, encoders enable panels to track the sun’s movement, boosting efficiency and extending equipment lifespan.
  • Robotics: Encoders are crucial in robotics, providing precise control of movement, accurate positioning, and smooth operation. From robotic arms in manufacturing to autonomous vehicles, high-precision encoders are key to performing complex tasks and improving efficiency.

At Encoder Technology, we also provide professional repair services and direct replacements to ensure your systems remain operational. Whether you require a fast repair or a replacement unit to reduce downtime, our team is committed to maintaining seamless performance.

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