FNIRSI® MT-40 Smart Digital Multimeter 4000 Counts True RMS AC DC Voltage 600V Capacitance Ohm Hz NCV Live Wire Test Auto Range

The FNIRSI® MT-40 Smart Digital Multimeter is a compact, professional-grade test instrument designed for general electrical troubleshooting, maintenance, and diagnostic work. With a 4000-count main display and True RMS measurement, the meter delivers reliable AC and DC voltage readings up to 600V, helping you assess power and signal integrity in a variety of circuits.

Core measurement functions include voltage (AC/DC), resistance (ohm), capacitance, and frequency (Hz). The unit also features non-contact voltage (NCV) detection for quick identification of live wires without direct contact, and an auto-ranging mode to simplify measurement selection and improve workflow efficiency.

The MT-40 is engineered for straightforward field use: intuitive rotary switch control and a clear display layout make it easy to interpret readings under various lighting conditions. Protective design considerations reduce the risk of accidental damage during routine use and help maintain long-term reliability.

This multimeter is suitable for electricians, technicians, hobbyists, and anyone who requires a dependable handheld instrument for electrical measurements. It provides essential diagnostic capabilities in a portable form factor for everyday troubleshooting and preventive maintenance tasks.