Precision in test and measurement technology

For over 35 years, GDG Gerätebau GmbH has specialised in the manufacture of measuring instruments for the electrical testing of armatures and stators. At our location in Sasbach in the Black Forest we develop our products hand in hand.

Starting with our high-precision measurement board, through mechanical and electrical design and manufacture, software development and digital signal processing, up to initial operation, we are at the side of our customers - world wide.

Large portfolio

The product range extends from armature and stator testsystems from semi-automatic to fully automatic testsystems, computer-controlled testing machines. Application fields include quality assurance, development, laboratory and EOL testing. Our special devices are in demand in industries such as automotive, power tools, household appliances, pumps, industrial drives and medical technology.

Close contacts to industry and research allow us to recognize and realize new technological trends at an early stage. The experience and flexibility of our 35-member team allow us to implement solutions to customer-specific requirements. In combination with our extensive stock, we can react quickly in case of service.


Precision is a matter of passion



Foundation of the company MGP by Manfred Glaser


Transdormation of MGP to GDG Gerätebau GmbH in Achern/Gamshurst with the establishment of an own design department, electronic development and production.


Construction of the main building in Sasbach with 600 m², construction of the mechanical production in CNC technology. Production of the first engine test benches.


The testing software of the anchor test is extended with the stator test.


An automatic armature tester with a cycle time of < 3 sec. is developed, which still sets worldwide standards today.


Introduction of welding resistance measurement on stators


Extension of the production building to a total of 1,400 m² for mechanical and electronic production


GDG test devices are equipped with integrated marking systems for traceability


GDG received ISO 9001 certification


Development of a pneumaticless armature and stator tester "Green Label" with a power consumption of only 250 W.


Our founder and managing director Manfred Glaser unfortunately died far too early. Ingrid Denni-Glaser becomes our new managing director


Oliver Zink is given the procuration


30th anniversary with in-house exhibition and workshops


Expansion of the production building to a total of 1,750 sqm for mechanical and electronic production

2020Isabelle Glaser is given the procuration


Climate positive company