Industrial equipment - Germany - Karl Pfisterer Stuttgart - Two-pole phase comparison device

Original, professional electrical instrument for measuring and comparing phases, produced by the renowned German company Karl Pfisterer, Stuttgart.

Model: Zweipoliges Phasenvergleichsgerät
Standard: VDE 0111 / 12.66
Manufacture: approx. 1960s/70s
Country of origin: Germany

This is a specialized high-voltage instrument used to measure and verify the phase alignment of two three-phase systems before their connection – used in professional power engineering, switchgear, power plants, and in technical education.

Contents of the set
insulating rods (with special extensions for holding the set)
Measurement heads
Original wooden transport case
Original manufacturer instructions
Warning plates

Complete set, preserved in very good visual condition, with natural signs of use typical for industrial equipment.

Karl Pfisterer company was founded in 1921 in Stuttgart and to this day is one of the leading manufacturers of equipment for high-voltage power engineering. The presented specimen comes from the period of dynamic development of German energy infrastructure in the post-war years and today constitutes an interesting example of classical safety apparatus from before the era of electronic devices.

Please view the photos which show the actual condition of the items; they are also part of the description of the items offered for auction.
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