Welcome to MK Test Systems

MK Test Systems is a world-leading manufacturer of automatic electrical test systems. Our systems are widely used in aerospace, rail, defence, subsea, and the power & control industry to ensure electrical wiring is correctly wired and undamaged. With applications within OEM and MRO settings, our component testing systems extend these capabilities enabling function testing of active components.

BLRT Bond and Loop Resistance Tester

Our rugged, portable tools help you to easily carry bond, loop and joint testing of structural and metallic components on aircraft; guarding against damage from extreme events such as lightning strikes. Specified, used and recommended by The Boeing Company and Airbus.

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Test Management Software

Our proprietary software makes your testing easier, with built-in operator instructions, automatic test reports, and without needing to use any programming language.

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Function Test Systems

Our MultiBus function test systems help you to test complex high voltage assemblies containing wiring harnesses as well as active components, switches and relays.

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Slip Ring Tester

For fast and accurate measurement & reporting of noise, contact resistance and insulation resistance in sliprings. If you have a specialist application which requires testing, we can configure a customised system.

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Service & Support

Whether you need support remotely or face-to-face, our service engineers are here to help. We offer 3 tiers of service support packages, as well as bespoke system training to suit your needs.

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Why Choose MK Test Systems

MK Test Systems have been a leading manufacturer and supplier of electrical test systems since 1991. We have successfully implemented over 3000 electrical testing systems into 34 countries, and have built an enviable reputation for excellence in Automatic Test Equipment (ATE) solutions. Many of the world’s leading aerospace, defence, and rail companies rely on our systems every day to test their products.

Through innovation and customer interaction, MK Test Systems leads the way in bringing the latest methods and testing techniques to industry. Our close working partnership with customers ensures client production costs, quality and delivery schedules are supported. We work closely with our network of distributors to provide worldwide pre- and post- sale support.

MK Test’s global customer footprint includes: Airbus, BAE Systems, The Boeing Company, Bombardier, CAF, CNR, CSR, Dassault, Denel, EMD Diesel, GE, Lockheed Martin, Leonardo, MBDA, OneSubsea, Raytheon, Rolls Royce, SAAB, Safran, Seacon, Thales, Varsity and XAIC.

Our core electrical testing specialism includes: Automatic harness testing systems, high voltage insulation testing systems, earth bond and loop testing equipment, electrical continuity and functional testing, slip ring testing, and electrical testing technical consultancy support.

Our product applications include the following industries: Aerospace, rail, defence, oil & gas, subsea as well as many other industrial applications.


Customers including Airbus & Boeing use our systems at all stages of the product lifecycle, from component manufacturing through to complete aircraft wiring on the FAL. We also provide test solutions for MRO and servicing.

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Testing and measurement of the performance of cab wire harnesses, door systems and chassis assemblies is a vital part of the production process, and we’re working with a growing number of manufacturers in the automotive industry.

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The leading manufacturers of locomotives and railcars around the globe use MK Test Systems to validate electrical wiring interconnect systems (EWIS) and power management cabinets.

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Equipment manufacturers and military overhaul workshops use MK Test’s systems to certify wiring and power management systems on vehicles, marine systems & military systems.

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Industrial, Power and Control

From robotics to power supplies, a wide range of OEM manufacturers and integrators use our systems to test slip rings, looms, harnesses, electrical management, and distribution systems.

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With the growing demands of Subsea Electrical Power Standardisation (SEPS) on operators, we offer a range of systems to test subsea interconnect and connectors.

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