The FNIRSI MT-40 is a compact yet powerful smart multimeter designed for electricians, technicians, and DIY users who need accuracy, safety, and convenience. With its True RMS measurement and intelligent auto-range detection, the MT-40 ensures precise results across a wide range of electrical testing scenarios.
Equipped with a bright backlit LCD, built-in flashlight, and durable silicone protective cover, it is engineered for both indoor and field use. Its fast sampling rate of 3 times per second delivers real-time, reliable readings, while advanced safety features like overload protection and intelligent anti-burning technology provide peace of mind.
Whether you're testing voltage, resistance, capacitance, or performing NCV live wire detection, the MT-40 is a professional-grade tool packed into a portable, easy-to-use design.
Key Features:
- Intelligent Auto-Range
- Automatically selects the correct measuring range for quick, hassle-free testing.
- True RMS Accuracy (4000 Counts)
- Delivers precise measurements even with non-sinusoidal signals, ensuring professional-grade reliability.
- Multiple Functions in One Device
- Measures AC/DC voltage (up to 600V), resistance, capacitance, diodes, and supports continuity buzzer testing.
- Non-Contact Voltage Detection (NCV)
- Safely detects live wires with both audible and visual alerts.
- Overload & Anti-Burning Protection
- Built-in safeguards protect the meter from damage and extend its lifespan.
- High-Speed Sampling
- Captures readings 3 times per second for fast, accurate measurements.
- HD Backlit Display + Flashlight
- Ensures clear visibility in bright or dark conditions.
- Compact & Portable
- Lightweight, with a silicone protective cover and retractable stand for hands-free operation.
- Energy Efficient
- Auto power-off after 15 minutes of inactivity conserves battery life.
Specifications:
- Model: MT-40
- Display Count: 4000 counts (True RMS)
- Dimensions: 140 × 70 × 31 mm
- Weight: Lightweight, pocket-size design
- Battery Type: 2 × 1.5V AAA (not included)
- Measuring Rate: 3 times/s
- Input Impedance: 10 M
- Max Input Voltage: 600V AC/DC (True RMS)
- DC Voltage Range: AUTO: 0.800-600V | Manual: 0.000-600V
- AC Voltage Range: AUTO: 0.800-600V | Manual: 0.000-600V
- Resistance Range: 400 - 40 M
- Capacitance Range: 4 nF - 40 mF
- Continuity Buzzer: Yes
- Diode Test: Yes
- Live Wire Detection (Fire Line Judgment): Yes
- NCV Detection: Yes
- Data Hold Function: Yes
- Flashlight & Backlight: Supported
- Auto Power-Off: After 15 minutes
- Operating Temperature: 0 - 40
- Storage Temperature: -10 - 50
What's in the box
1 x FNIRSI MT-40 Smart Digital Multimeter (Blue)
2 x Test Leads
1 x Protective Silicone Cover
1 x User Manual