Tettex, HAEFELY

HAEFELY 2830/2831 Precision Oil and Solid Dielectric Analyzer
Haefely's 2830/2831 is the result of extensive research and years of experience testing dielectric properties of liquid and solid insulating materials.

HAEFELY MIDAS 2881 Mobile Insulation Diagnosis & Analysing System
The MIDAS 2881 is a portable power factor tester for periodic maintenance and inspection of high voltage insulation losses of electrical apparatus, especially in the harsh electrical environments experience in substations and other field locations.

HAEFELY TTR 2796 Fully Automated Three Phase 250 V Transformer Turns Ratio Meter   The Transformer turns ratio meter TTR 2796  measures power and distribution transformers' turns ratio with the highest accuracy in the industry at up to 250V AC.

HAEFELY WA 2883 Mobile Insulation Diagnosis & Analysing System The MIDAS micro 2883 is a revolutionary C & Tan Delta / Power Factor / Dissipation Factor tester used to test the insulation of high voltage components (i.e. transformers, bushings, capacitors and so on).

HAEFELY WA 2293 Automatic Transformer Winding Analyser
  The WA 2293 is an automatic winding analyser, optimized for three phase power and distribution transformer measurements.