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SKU: 260819005749
Brand : UNI-T
Warranty : 3 Days
৳ 4650.04
Category: Digital Multimeters
The UNI-T UT139C True RMS Digital Multimeter is a versatile 6000-count auto-ranging multimeter designed for electricians, electronics technicians, engineers, technicians, and DIY users. It measures AC/DC voltage and current, resistance, capacitance, frequency, temperature, diode and continuity, and also provides NCV (Non-Contact Voltage) detection. True RMS measurement makes it suitable for measuring both sinusoidal and distorted/non-sinusoidal AC waveforms.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT139C |
| Product Type | True RMS Digital Multimeter |
| Display | 6000 Counts |
| AC Voltage | 60mV–600V |
| DC Voltage | 60mV–600V |
| AC Current | 600µA–10A |
| DC Current | 600µA–10A |
| Resistance | 600Ω–60MΩ |
| Capacitance | 9.999nF–99.99mF |
| Frequency | 10Hz–10MHz |
| Temperature | -40°C to 1000°C |
| Duty Cycle | 0.1%–99.9% |
| True RMS | Yes |
| NCV | Yes |
| VFC | Yes |
| Continuity Test | Yes |
| Diode Test | Yes |
| Auto Range | Yes |
| Manual Range | Yes |
| Data Hold | Yes |
| MAX/MIN | Yes |
| Relative Mode | Yes |
| Backlight | Yes |
| Input Protection | 600Vrms |
| Safety Category | CAT III 600V |
| Battery | 2 × AA 1.5V |
| Dimensions | Approx. 175 × 80 × 48.5mm |
| Weight | Approx. 370g |
Specifications are based primarily on UNI-T's product documentation; some published listings differ slightly on dimensions/weight and accuracy figures, so the manufacturer's specification should be treated as the reference.
Voltage Measurement:
Measures both AC and DC voltage up to 600V, suitable for electrical and electronic troubleshooting.
Current Measurement:
Supports AC/DC current measurement up to 10A, with multiple lower-current ranges for improved measurement resolution.
Resistance & Continuity:
Measures resistance up to 60MΩ and includes an audible continuity buzzer.
Capacitance:
Measures capacitance up to 99.99mF, useful for checking capacitors and electronic circuits.
Frequency & Duty Cycle:
Frequency measurement extends to 10MHz, with duty-cycle measurement from 0.1% to 99.9%.
Temperature:
The UT139C supports temperature measurement from -40°C to 1000°C using the supplied temperature probe.
The True RMS function allows the UT139C to measure the effective value of AC signals more accurately when the waveform is distorted or non-sinusoidal. This is particularly useful when working with switch-mode power supplies, variable-frequency drives, inverters, UPS systems, and modern electronic equipment.
The UT139C is designed to CAT III 600V safety requirements and provides full-range input protection. It also includes NCV detection, allowing users to check for the presence of AC voltage without making direct electrical contact with the conductor.
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