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Your benefits of a reliable partner

Maximum convenience and flexibility

Our complete range of quality products allows you to buy all of your instruments from just one supplier. The scope and diversity of our product portfolio is the result of continuous product development since 1933.


Safeguarding your application

As part of our long-standing quality culture, we have our own in-house type-test facilities. They ensure that your instruments will face up to the most frequent customer demands – and in most cases exceed them. A number of our products are based on patented technology and know-how.


Global customer care

Our concept of quality also involves customised solutions to fit your specific projects as well as unparalleled on-time delivery. In addition, we offer service & support 24 hours a day 365 days a year combined with comprehensive customer training at our subsidiaries and selected distributors across the world.

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Add power to your batteries – and value to your application...

Latest news


Curb your energy waste with our new department for SMART energy technology...

DEIF supplies complete diesel, gas or hydro genset power management solutions for critical power, rental, independent power producers and OEMs, as well as marine and offshore control technology for genset power management, paralleling operation, synchronisation and protection. DEIF’s marine bridge instrumentation product line ranges from all-purpose illuminated indicators to ultrasonic wind measuring systems.