Yleismittari Signal ST-6986 – AC/DC-jännitteen ja virran mittaus, yleiskäyttöinen käsikäyttöinen mittari

Signal ST-6986 is a compact, universal handheld multimeter for AC and DC voltage and current measurement. Designed for basic electrical diagnostics, the meter provides straightforward readings useful for maintenance, installation and troubleshooting of electrical circuits. Its portable form factor allows on-site checks and quick verification of live and de-energized circuits with a user-friendly interface suitable for electricians, technicians and hobbyists.

Advantages

The multimeter offers combined AC/DC measurement capability for both voltage and current, enabling versatile field use without needing separate instruments. Its compact build and intuitive controls make it convenient to carry and operate during routine inspections. The device delivers direct numeric readouts for rapid assessment and reduces the time required for basic fault finding and verification tasks.

Suitable for

Key specifications

How to use

Before use, ensure the meter and probes are in good condition and rated for the intended measurement. Select the appropriate measurement mode (AC or DC, voltage or current) and range if manual range selection is required. For voltage measurements, connect the probes across the circuit points under test with the circuit powered as needed; observe polarity when measuring DC. For current measurements, use the correct current input and connect the meter in series with the load or use a clamp accessory if available. Follow standard safety practices: de-energize circuits where possible, avoid contact with live conductors, and verify the meter’s function on a known source if uncertain.

Recommendations

Use insulated test leads rated for the expected voltage, verify measurement ranges before applying the meter, and replace batteries and fuses according to manufacturer guidance to maintain measurement accuracy and safety. For measurements on higher-power or three-phase systems, use appropriate personal protective equipment and, where necessary, professional procedures.