Reliable Transformer Test Equipment

for Contractors & Service Companies

High-precision TTR, DC Resistance, and Oil Testers without the “Big Brand” price tag.

Engineered for speed, portability, and accuracy.

Specialized Solutions for Transformer Diagnostics

Turn Ratio Testing (TTR)

Handheld & Portable TTR: Blind test capability. Battery-operated for remote substations.

Winding Resistance

DC Winding Resistance: Fast discharge technology (saves 50% time). Dual-channel measurement.

Oil Analysis

Insulation Oil Tester: 0-80kV / 100kV automatic testing. Robust casing for safe transport.

Why Professionals Choose PowerTestSol?

Field-Ready Design

We know the pain of carrying heavy equipment. Our devices are compact, rugged, and designed for harsh substation environments.

Engineer-to-Engineer Support

No sales scripts. You talk directly to technical experts who understand vector groups and wiring diagrams.

Unbeatable ROI

Get 95% of the performance of top European brands at 40% of the cost. Perfect for contractors watching their budget.

Trusted by Electrical Contractors Worldwide

"The handheld TTR is a lifesaver. We used to carry a 20kg unit up the ladder, now it's just a small box. Fast shipping to Indonesia."
Mr. Budi
Substation Maintenance Engineer

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