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NOYAFA NF-628
The NOYAFA NF-628 digital multimeter is designed for electrical troubleshooting, appliance servicing and component testing. Its 6000-count display supports DC voltage measurements up to 1000 V, AC voltage up to 750 V and AC/DC current up to 10 A, alongside non-contact voltage detection.
Key features
- Measure AC/DC voltage, current and resistance.
- Check capacitance, frequency, duty cycle and diodes.
- Audible continuity testing for open connections.
- NCV mode for preliminary non-contact voltage screening.
- Single-probe LIVE function to help identify a live conductor.
- Backlight, data hold, MAX/MIN and 1.5 V/9 V battery test.
Technical specifications
| Model | NOYAFA NF-628 |
|---|---|
| DC voltage | Up to 1000 V |
| AC voltage | Up to 750 V |
| AC/DC current | Up to 10 A |
| Resistance | Up to 60 MΩ |
| Display | 6000 counts |
| Range selection | Manual for voltage, current and resistance |
| Power supply | 2 × AA batteries |
Practical benefits and capabilities
This meter is intended for circuit checks during electrical installation, repair and equipment maintenance. Test leads provide contact measurements while NCV offers a preliminary indication of an AC electric field without direct contact with the conductor.
Where it is used
- troubleshooting wiring, outlets and switches
- checking power supplies and 1.5 V or 9 V batteries
- locating broken conductors and testing fuses
- checking resistors, capacitors and diodes at the workbench
- servicing electrical panels and low-voltage control circuits
How to use the instrument
- Identify the signal type and expected measurement range, then connect the leads to the correct input sockets.
- Select voltage, current or resistance ranges using the rotary selector; capacitance measurements use automatic ranging.
- Disconnect power before continuity or resistance tests and then use the audible buzzer mode.
- Use NCV and LIVE as preliminary screening functions and confirm de-energization by an appropriate contact test.
Important guidelines and limitations
Working on energized circuits is hazardous. Never exceed the marked ratings of the meter or probes. Use the properly fused current inputs and never perform resistance or continuity testing on a live circuit.
Frequently asked questions
What is the maximum voltage range?
Up to 1000 V DC and 750 V AC in the relevant measurement mode.
Is every range fully automatic?
No. Voltage, current and resistance are manually ranged; capacitance uses automatic ranging.
Can the meter measure 20 A?
No. The maximum specified current measurement range is 10 A.
What does LIVE mode do?
It offers a preliminary live-wire check with one probe. It is not proof that a circuit is safe to touch.
Does NF-628 measure temperature?
No. Temperature measurement is not listed as a feature of this model.
NOYAFA NF-628 combines essential electrical measurements, component checks, continuity testing and preliminary voltage detection in one handheld unit.