Insulation Testers (Megger-Style Insulation Resistance Meters) Up to 20kV

Insulation Testers You Can Trust – Digital, High Voltage, and CSA-Certified

Explore our selection of professional insulation testers designed for electrical contractors, maintenance technicians, and industrial users across Canada. Whether you're performing routine testing or troubleshooting insulation breakdowns, we offer trusted models from leading brands including Metrel, AEMC, Seaward, and Fluke.

From 1 kV to 15 kV, our lineup includes:

  • Digital insulation testers with advanced data logging and display features
  • High voltage insulation testers for heavy-duty and substation work
  • Compact models ideal for field inspections
  • CSA-certified testers that meet Canadian safety standards

Every model is backed by expert support from our Canadian team. Need help choosing? We're happy to recommend the best insulation tester for your voltage range, test application, or compliance requirements.

Common Applications:

  • Industrial plant maintenance
  • Electrical panel inspections
  • Cable and motor testing
  • Acceptance testing and predictive maintenance

We carry everything from 1000V insulation resistance testers to 15kV digital megohmmeters—in stock and ready to ship across Canada.

🔎 Looking for a specific voltage range?

🔹   1,000V Insulation Testers
🔹   2,500V Insulation Testers
🔹   5,000V Insulation Testers
🔹 10,000V Insulation Testers
🔹 15,000V Insulation Testers
🔹 20,000V Insulation Testers

Still comparing options? Read our Insulation Tester Buying Guide to understand the differences between analog vs. digital models, voltage ranges, and accuracy specs.

Why Order from Duncan Instruments?

  • 🇨🇦 Canadian company, established 1968

  • ⚡ Expert support from real technicians

  • 🚚 Fast shipping across Canada

  • 📞 Talk to us before or after your purchase