Duncan Instruments Canada Ltd

🎉 We’ve just been recognized by Google as a Top Quality Store!

This badge isn’t bought — it’s earned. Based on customer satisfaction, accurate orders, and reliable service.

Thank you to our amazing customers for helping us reach this milestone.

Winding Resistance Analyser | Features | MI 3281 | Webinar A (recording of a) webinar where we dive into the key features and capabilities of the MI 3281 WR Analyser.The MI 3281 WR Analyser is a portable test instrum...

🧪💡 Insulation Testers, Now Sorted by Voltage!
From delicate control circuits to beastly 20kV systems—we’ve got the right tester for the job.

⚡️ New on our site:
You can now browse insulation testers by voltage range:
👉 250V
👉 500V
👉 1000V (1kV)
👉 5kV
👉 10kV and even 20kV!

It’s kind of like shopping for shoes... but for serious electrical work.
We’ve made it easier, faster, and more fun to find your perfect fit.

🔍 Check it out here: https://duncaninstr.com/blogs/news/insulation-testers-by-voltage-range
📞 And if you’re not sure what you need, call us. We’re real humans who actually use this stuff.

Choosing the Right Insulation Tester: What Voltage Rating Do You Need? Looking for the right insulation tester? You can now browse by voltage—250V, 500V, 1kV, 5kV, even up to 15kV. Whether you're testing control circuits or high-voltage motors, we make it easy to find the perfect fit.