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The UNI-T UT139S is a 6000-count True RMS digital multimeter for AC/DC voltage and current, resistance, capacitance, frequency and temperature measurements. It features CAT III 600V protection, NCV, LoZ, LPF ACV, a black EBTN display and 31-segment analogue bar for electrical maintenance and troubleshooting.
| Product Type | True RMS Digital Multimeter |
|---|---|
| Model | UT139S |
| Display | 6000 counts, black EBTN LCD |
| DC Voltage | Up to 600V; accuracy ±(0.5% + 2) |
| AC Voltage | Up to 600V; accuracy ±(0.8% + 3) |
| DC Current | Up to 10A; accuracy ±(0.7% + 2) |
| AC Current | Up to 10A; accuracy ±(1% + 3) |
| Resistance | Up to 60MΩ; accuracy ±(0.8% + 2) |
| Capacitance | Up to 99.99mF; accuracy ±(4% + 5) |
| Frequency | 10Hz–10MHz; accuracy ±(0.1% + 4) |
| Temperature | -40–1000°C; accuracy ±(1% + 4) |
| Duty Cycle | 0.1%–99.9% |
| Functions | NCV, LoZ ACV, LPF ACV, diode test, continuity buzzer, MAX/MIN/REL and data hold |
| Safety Rating | CAT III 600V |
| Power Supply | 1.5V R6/AA batteries × 2 |
| Product Dimensions | 170 × 80 × 48mm |
| Net Weight | 345g |
