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DEIF (Danish Electro Instrument Factory) was established in 1933 by Erling Foss and his two partners. The company’s main activity consisted in assembling and mounting by hand basic electromagnetic measuring instruments. Focus was on precision and robustness.

Today, DEIF is owned and managed by the founder's son, Toke Foss. The products have become extremely more advanced and markets now include knowledge intensive business areas such as Engine & Genset Controls, Switchboard Instrumentation, Bridge Instrumentation and Renewable Energy Controls. Yet, the focus on quality, reliability and service remains the same.

Production and development are located in Denmark, but DEIF sells and services its products worldwide.

To learn more about DEIF’s history, please see below.


 
 

   1. The early years


 
   7. Relocation to Skive

 
 

   2. The first workshop



 
   8. Generator Controls

 
 

   3. The occupation



 
   9. Foss follows Foss

 

 

   4. Surviving the 1940’s

 
   10. Outsourcing
   5. A new market 

 
   11. DEIF expands

   6. Economic upturn

 
   12. Past and future

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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.