The Extech MG320 CAT IV Insulation Tester/True RMS Multimeter is a versatile two-in-one instrument designed for both insulation resistance testing and True RMS voltage/current measurements. With a CAT IV-600 V safety rating and multiple test ranges, this compact meter is built for professionals who require accuracy, safety, and reliability in the field.
Product Features
- Check motor starter voltage and pump motor insulation without switching meters
- Measure insulation resistance from 50 MΩ up to 20 GΩ across 5 voltage ranges (50 V, 100 V, 250 V, 500 V, 1000 V)
- Obtain True RMS readings up to 600 V AC/DC
- Store and recall up to 99 readings for easy data management
- Check polarization index (PI) and dielectric absorption ratio (DAR)
- Lock power-on feature allows hands-free operation
- Programmable timer for test duration and pass/fail limits in comparison mode
- Backlit 6000-count digital display with analog bargraph for clear results
- High-voltage, overload, and low-battery indicators for added safety
- Auto power-off conserves battery life; lock-power-on mode for continuous use
- Compact size for comfortable handheld use or convenient toolbox storage
What’s Included
- Test leads
- Alligator clip
- Six AA batteries
- Soft-sided carrying case
Benefits
- Combines insulation testing and multimeter functions in one device
- Reduces the need for multiple instruments, saving time and space
- Stores up to 99 readings for better documentation and analysis
- Ensures operator safety with CAT IV-600 V rating and warning indicators
- Easy-to-read backlit display with analog bargraph enhances visibility in all environments
Why Choose the Extech MG320?
The Extech MG320 delivers professional-grade insulation resistance testing and True RMS measurement capabilities in a single, compact device. With advanced safety features, data storage, and user-friendly operation, this
