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

Original, professional high‑voltage instrument for measuring and comparing phases, from the renowned German company Karl Pfisterer, Stuttgart.

Model: Two‑pole Phase Comparison Device
Standard: VDE 0111 / 12.66
Production: approx. 1960s/1970s
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 connection – employed in professional power engineering, switchyards, power plants, and in technical education.

Contents of the set
insulating rods (with special extensions for handling the set)
Measurement heads
Original wooden transport case
Original manufacturer’s manual
Warning plates

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

Karl Pfisterer company was established in 1921 in Stuttgart and to this day is one of the leading manufacturers of equipment for high‑voltage power engineering. The presented specimen belongs to the period of dynamic development of German energy infrastructure in the postwar years and today constitutes an interesting example of classic safety apparatus from the pre‑electronic device era.

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

I ship via reputable courier companies, with tracking option; shipping insurance is additionally purchased. I ship very quickly, usually the next day after receiving the address details, and I will promptly inform the buyer.

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