IncOder™ Inductive Angle Encoders

Non-contact, inductive angle encoders for high-precision, reliable measurement in harsh environments.

incoder inductive angle encoder group

Robust Angular Position Measurement for Extreme Environments

Zettlex IncOders are non-contact devices for precision angle measurement. They work like a transformer, using an inductive technique. IncOders may be considered as an inductive angle encoder.

IncOders are ideally suited to harsh environments – where potentiometers, optical or capacitive devices may prove unreliable.

inductive angle encoder

High-reliability Inductive Angle Encoder Technology

IncOders have 2 main parts – a Stator and a Rotor – each shaped like a flat ring. The large bore makes it easy to accommodate through-shafts, slip-rings, optical-fibres, pipes or cables.

The Stator is powered and the Rotor is passive. The Stator contains the electronics to receive power and generate an output signal. The output signal from the Stator shows the true absolute angular position of the Rotor relative to the Stator without the need of any motion.

Simple Installation; ‘Fit and Forget’ Technology

IncOder inductive angle encoders do not require compliant or special couplings and the Rotor & Stator can simply be screwed to the host product. Precise mechanical mounting is not required and there are no bearings.

Whereas optical or capacitive angle encoders can be unreliable in harsh conditions – notably with condensation or dust – Zettlex angle encoders are generally unaffected by foreign matter and IP67 rated versions are available. Unlike capacitive devices, there is no need to earth the Rotor or Stator. Robust, hard-anodized aluminium alloy housings and monolithic constructions are used throughout.

There are no contacting, delicate or wearing parts, so there is no need for periodic replacement, service or maintenance. In other words, IncOder angle encoders are true ‘fit and forget’ devices.

IncOder Inductive Angle Encoders

Inductive Angle Encoder Specifications / Options

Mechanical Formats
12 mechanical formats featuring screw or servo clamp Stators with screw format, set screw, shaft clamp and plain Rotors, duplex Stators and Rotors.
Packaged formats include servo clamp or screw flange.

IncOder Size Options (Stated as Outer Diameter)
37, 58, 75, 90, 100, 125, 150, 175, 200, 225, 250, 300, 325, 379, 429 & 595mm

Resolution Options
10 to 22bits & user selectable pulses per rev for A/B pulse outputs

Connection Options
Axial connector, radial flexi (with or without connector) & integral axial cable

Voltage Options
5, 12 or 24VDC

Communication Interface Options
Analogue voltage
A/B/Z pulses

Extended Range Options
(Not Typically Required for Most Application Types)

Ultra high shock & vibration
Cold temperature option to -60° Celsius
High temperature option to +105° Celsius
Leaded solder
Burn in prior to acceptance testing
Surtec650 surface finishes
Prolonged immersion, salt spray or extreme dust conditions
High Pressure

CAD Files

We have a comprehensive library of 3D CAD files available to assist designers in the integration of our inductive angle encoders. Click the button below to view available files, or contact us if you’re looking for something specific that is not listed.

CAD Files


Have a question about the IncOder product range? Here we answer a selection of frequently asked questions.

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