Digital multimeter LIBOX DT830D LB0163 — handheld, CAT III 300V, LCD 16x48 mm, 3.5 digits, AAA battery

The LIBOX DT830D LB0163 digital multimeter is a compact handheld instrument for basic electrical measurements. It provides voltage, resistance and continuity measurement functions on a clear 16 × 48 mm LCD with a 3.5‑digit resolution. The meter is powered by a single AAA alkaline battery and is designed for portable use in simple diagnostics, repairs and educational tasks. The construction meets a CAT III 300V safety rating for work on distribution circuits and protected installations.

Advantages

This multimeter offers a lightweight and compact design that supports easy transport and storage. The 3.5‑digit LCD ensures readable numeric results for typical household and electronics measurements. With CAT III 300V classification and basic measurement ranges for voltage, resistance and continuity, the device provides practical protection and functionality for low-voltage distribution work and routine troubleshooting. Battery operation with a common AAA cell enables quick replacement and long-term availability.

Suitable for

• Basic voltage checks on batteries, adapters and household outlets within the specified safety class
• Resistance measurements and continuity tests for wiring, fuses and simple electronic circuits
• Educational use for teaching fundamentals of electrical measurement and circuit diagnostics
• Home repairs and do‑it‑yourself electronics troubleshooting

Key specifications

• Display size: 16 × 48 mm with 3.5 digits
• Safety rating: CAT III 300V
• Measurement functions: DC/AC voltage, resistance, continuity
• Power supply: single AAA alkaline battery
• Form factor: handheld, pocketable design
• Weight: approximately 20 g

How to use

Insert a fresh AAA alkaline battery and connect the test leads to the meter terminals according to polarity. Select the required measurement function and range on the dial, then place the probes on the test points: across a component or circuit for voltage and resistance, or between conductor ends for continuity. Observe the LCD readout and interpret the 3.5‑digit value using the chosen range. When measuring mains-related circuits, confirm that the expected voltage is within the CAT III 300V limit before proceeding and follow standard electrical safety practices.

Usage recommendations

Wear appropriate personal protective equipment and ensure the meter and test leads are in good condition before each use. Do not attempt measurements beyond the CAT III 300V rating. Replace the AAA battery when the display becomes dim or readings become unstable. Store the instrument in a dry environment and avoid exposure to strong impact or excessive temperatures.