20000V / 20 kV High Voltage Digital Insulation Testers – Duncan Instruments Canada Ltd

20000V Insulation Testers

Reliable insulation testing for everyday industrial and electrical maintenance.

Our 1000V insulation testers are ideal for electricians, technicians, and maintenance professionals looking to perform routine insulation resistance checks on motors, cables, transformers, and switchgear. These instruments offer a practical balance between voltage range and affordability—perfect for most commercial and light industrial applications.

🛠 Applications:

  • Electrical panel troubleshooting

  • Motor and generator insulation checks

  • Preventive maintenance routines

  • Quality assurance during installation

✅ Why choose Duncan Instruments?

  • Models with built-in PI and DAR for deeper diagnostics

  • Canadian warranty and calibration options

  • Trustworthy brands like Kyoritsu, AEMC, and Metrel

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 Explore Other Insulation Tester Voltage Ranges:

Looking for a different test voltage? Browse our full range of insulation testers, or jump directly to:

1 product
Megabras MI20KVE – 20kV High-Voltage Digital Insulation Resistance Tester
Megabras MI20KVE – 20kV High-Voltage Digital Insulation Resistance Tester
MEGABRAS
$ 4,800.00 CAD

Our 20 kV insulation testers are built for the most demanding high-voltage applications, including substations, HVDC systems, and critical infrastructure. These specialized testers are used to assess insulation performance in extreme conditions where reliability is paramount.

We supply high-end 20 kV models from trusted brands like Metrel, offering precision, safety, and robust construction.
If you're testing at this level, you know what’s at stake—and we’re here to help you choose the right tool.
All models are available in Canada, with expert support and competitive pricing included.