Multifunction Laboratory Meter Unit UT-803 — Digital Display AC/DC Voltage Measurement

The Unit UT-803 is a compact multifunction laboratory meter designed for accurate digital measurement of AC and DC voltage. It features a clear numeric display and a straightforward control layout that supports voltage diagnostics in laboratories, workshops and educational environments. The instrument is intended for measuring voltage levels, verifying power supplies and troubleshooting electrical circuits where a portable, easy-to-read meter is required.

Advantages

The Unit UT-803 combines portability with a digital readout that reduces interpretation errors compared with analog instruments. Its compact size and simple interface make it convenient for field checks and bench work. The meter provides stable measurements for both AC and DC voltages, enabling quick verification of circuits and power sources. The device is suitable for repeated use in training and routine maintenance because of its straightforward operation and clear display.

Suitable for

• Measuring AC and DC voltage in laboratory experiments
• Electrical troubleshooting and circuit verification in workshops
• Routine equipment checks and power-supply testing
• Hands-on training and educational demonstrations

Key specifications

• Measurement types: AC voltage, DC voltage
• Display: digital numeric readout for direct value reading
• Form factor: compact and portable housing suitable for handheld use
• Interface: simple controls for fast selection and measurement
• Intended environments: laboratories, workshops, classrooms

How to use

Switch the meter to the appropriate voltage mode (AC or DC) using the device controls, connect the test leads to the circuit or power source following standard safety practices, and read the voltage value on the digital display. Ensure proper lead polarity when measuring DC voltage. For AC measurements, place the probes across the AC source or load points. Turn off power and discharge capacitors before connecting to sensitive circuits, and observe any device-specific instructions on input ranges or maximum allowable voltages.

Usage recommendations

Use insulated test leads and follow local electrical safety regulations when measuring live circuits. Verify the meter’s input range before connecting to high-voltage sources, and store the meter in a dry, dust-free place when not in use to maintain display readability and instrument reliability.