key features
2-in-1 design: Wire tracker + digital multimeter.
RJ45 testing: Cable continuity, length, PoE, and port-flashing tests.
Multimeter: AC/DC voltage, resistance, current, diode, continuity, frequency, and temperature measurements.
In one line: A portable tool for tracing network cables and performing common electrical measurements without carrying a separate cable tester and multimeter.
key specifications for the NOYAFA NF-8509 2-in-1 Wire Tracker & Multimeter:
| Specification | NF-8509 |
|---|---|
| Model | NF-8509 |
| Wire mapping | Up to 2,000 m |
| RJ45 wire scanning | Up to 600 m |
| Cable length test | 5–200 m, ±3 m |
| Port flashing | 10M / 100M / 1,000M |
| PoE test | 4-core / 8-core detection + PoE voltage |
| AC/DC voltage | 600 mV–610 V |
| Resistance | 600 Ω–60 MΩ, ±1.0% + 5 |
| DC current | 1 mA–3 A, ±0.8% + 3 |
| Frequency | 0–10 MHz, ±1.0% + 3 |
| Diode test | 0–3.3 V |
| NCV | 0–4 levels |
| Continuity | Buzzer below 50 Ω |
| Transmitter battery | 3.7 V / 1,500 mAh Li-ion |
| Transmitter size | 137.5 × 76 × 34 mm |
| Receiver power | DC 9 V |
| Receiver size | 204.9 × 38 × 29 mm |
| Other | LED light, ambient-temperature display, auto-off |
It combines network cable tracing/testing with a digital multimeter, including voltage, resistance, current, frequency, continuity, diode and NCV functions.