Smart Budget True RMS Digital Multimeter

The FNIRSI MT-40 is a professional digital multimeter designed for precise AC/DC voltage measurement up to 600 V, as well as resistance, capacitance, frequency, and NCV (non-contact voltage) detection. Ideal for technicians, students, and DIY users.
Main Features:

True RMS measurement for accurate readings on non-sine wave signals.
4000 counts display for high resolution and precision.
Auto-range function for quick and simple operation.
Overload and input protection to ensure safe use.
Fast measurement response – up to 3 samples per second.

Applications:

AC/DC voltage and current testing for household or industrial circuits.
Component testing – resistors, capacitors, diodes, continuity check.
NCV detection for locating live wires without contact.
Educational use, workshops, repair and maintenance work.

Technical Specifications:

AC/DC Voltage Range: 0.8 V ~ 600 V (Auto) / 0.0 V ~ 600 V (Manual)
Resistance: 400 Ω / 4 KΩ / 40 KΩ / 400 KΩ / 4 MΩ / 40 MΩ
Capacitance: 4 nF ~ 40 mF (8 ranges)
NCV (Non-contact Voltage): Supported
Sampling Rate: ≈ 3 times/second
Auto Power Off: after ~15 minutes of inactivity
Display: 4000 counts backlit LCD
Power Supply: 2 × AAA 1.5 V batteries (not included)
Input Impedance: 10 MΩ
Dimensions: 140 × 70 × 31 mm

Package Includes:

1 × MT-40 Digital Multimeter
1 × Set of Test Leads
1 × User Manual

Notes:

Supports AC/DC voltage measurement up to 600 V.
Batteries are not included – please install 2×AAA before use.
Do not use in high-humidity environments or with damaged test leads.