UHV motion and measurement specialists

We are a leading global manufacturer of Bayard-Alpert Ion Gauges, gauge controllers and UHV stepper motors for industrial, scientific and R&D applications.

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UHV Stepper Motors

Our UHV stepper motors deliver exceptional reliability in ultra-high vacuum environments.

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Stepper Motor Drive for UHV Motors

Our SMD4 is engineered to drive vacuum-compatible stepper motors with maximum performance and minimal heat.

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UHV Mechanisms

Our range of UHV mechanisms provide linear and rotational sample manipulation. Limit switch and encoder options are available.

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Products by category

Discover our comprehensive range of ultra high vacuum products, from Bayard-Alpert ion gauges to in-vacuum motion systems.

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We are committed to delivering quality products.

Over 40 years of experince

Leading global manufacturer of ultra-high vacuum solutions.

Since 1981, Arun Microelectronics has specialised in manufacturing UHV instrumentation and in-vacuum motion systems. We manufacture Bayard-Alpert Ion Gauges, UHV stepper motors, and gauge controllers for industrial, scientific, and R&D applications.

Trusted by customers worldwide

Quality, efficiency, and exceptional customer service.

Our vacuum motion and measurement products are based on a foundation of manufacturing excellence. We are fully committed to delivering quality products and superior customer service effectively, efficiently and consistently to our UK and international customers.

ISO Class 7 clean room

Assured quality to meet our exacting standards.

We sell products which are designed to be the best in class. They are used in many market sectors and specialist applications including:- Materials Surface Analysis, Microscopy, Particle Physics, Semiconductor Manufacturing and Space Technology.