Description
The FNIRSI MT-40 Smart Digital Multimeter is a compact auto-ranging tester designed for electrical testing, maintenance, and troubleshooting. It features True RMS measurement, 4000-count display, NCV detection, resistance and capacitance testing, diode checking, continuity buzzer, and a built-in flashlight for convenient professional and everyday use.
Key Features
- Intelligent auto-ranging measurement
- True RMS with 4000-count display
- Measures AC and DC voltage up to 600V
- Resistance measurement up to 40MΩ
- Capacitance measurement up to 40mF
- Diode and continuity testing
- NCV non-contact voltage detection
- Live wire detection
- Fast sampling rate of 3 times per second
- Data hold function
- Backlit LCD display
- Built-in flashlight
- Intelligent overload and anti-burning protection
- Auto power-off after 15 minutes
- Compact design with protective silicone cover
Specifications
| Specification | Details |
|---|---|
| Brand | FNIRSI |
| Model | MT-40 |
| Product Type | Smart Digital Multimeter |
| Display | 4000 Counts |
| DC Voltage | Up to 600V |
| AC Voltage | Up to 600V |
| Resistance | Up to 40MΩ |
instrument for technicians, especially for routine AC/DC voltage and capacitance measurements.
However, professional users should always select test equipment according to the required accuracy, safety category, voltage rating, environmental conditions, and measurement requirements of their particular application.
For specialized repair work, the MT-40 can complement other professional tools rather than replacing every specialized instrument.



