The collection contains a very large group of electric measuring instruments of all kinds and versions of domestic (Roucka, Sochor, Metra, Krizik) as well as foreign provenance from virtually all over the world beginning with the oldest systems to modern products. An independent collection contains electric meters of all types of domestic, Austrian and German production.
The group of electronic measuring instruments includes predominantly domestic products (Tesla, Metra, Krizik) from the period after the World War II.