Why use Hioki CM 3286-50 Clamp Earth Tester?

Hioki CM 3286-50 Clamp Earth Tester is a smart and safe tool that lets you measure earth resistance and leakage current without using extra ground rods. It’s great for fast testing in places where traditional methods are hard to use—like factories, buildings, and power systems. With this clamp-style tester, you don’t need to disconnect anything. Just clamp it on, and you’re ready to measure.

This tester works for ground resistance from 0.20Ω to 1600Ω and leakage currents from 0.1 mA to 60.0 A. It even checks voltage to make sure it’s safe before testing. That makes it perfect for maintenance, troubleshooting, and safety checks in commercial or industrial settings.

The non-contact design makes everything quicker and safer. You can measure without touching live wires or disconnecting the grounding system. The wide jaw easily fits large wires and grounding conductors.

The screen is large and has a backlight, so you can see it clearly even in dark places. Use the data hold feature to freeze the number on the screen, so you don’t have to rush to record it. The meter also saves battery life by turning off automatically when not in use.

It’s built tough for the field, with a CAT IV 600V safety rating that protects you while working in high-voltage areas. The portable design makes it easy to carry and use wherever you go.

Great for:

• Earth resistance testing in buildings and industrial plants

• Verifying lightning protection systems

• Measuring leakage currents in power systems

• Electrical safety inspections and maintenance

• Troubleshooting grounding problems without disconnecting equipment

The Hioki CM3286-50 is the go-to tool for electricians, engineers, and safety professionals who need a fast, safe, and reliable way to measure grounding resistance and leakage current. It’s simple to use, highly accurate, and tough enough for any job site.