UNI-T UT139E True RMS Digital Multimeter

Description

UNI-T UT139E True RMS Digital Multimeter The UT139E presents itself as a professional multimeter built for real-world electrical work. In everyday use, it feels solid and dependable a tool that you pick up knowing it can handle the job. The housing is robust, with clear markings and a dial that gives good tactile feedback when switching ranges. The display is easy to read, especially under overhead lighting, and the analog bar helps you see trends in real time. As you begin measurements, the UT139E reveals its hybrid nature: you can let it auto-range or step in manually, and watching the 31-segment bar graph move adds an intuitive sense of how readings settle. It feels responsive. When checking live circuits, the NCV (non-contact voltage) gives you a quick safety check. The interface is familiar to anyone who’s used hand meters, but you sense extra polish smooth transitions, decent backlighting, and a layout that reduces fumbling. Over time, the UT139E proves its value in day-to-day diagnostics. It doesn’t demand you work around its limitations; rather, it blends into your workflow. Whether you’re eyeballing a waveform or checking a noisy AC feed, the meter supports you rather than becoming an obstacle. In short: it’s a reliable, capable multimeter that bridges everyday usability with the extra features electricians appreciate. Features: True RMS measurement. Non-Contact Voltage detection (NCV). Auto and manual range selection. LoZ (Low Impedance / low-Z input) mode. Low-Pass Filter (LPF) mode (for AC). 31-segment analog bar graph. Diode test. Duty cycle measurement. Continuity / buzzer. Display backlight. Auto power off. Data hold. Input protection (full range). Operating modes such as MAX/MIN, relative, etc. Specifications: Specifications Range UT139E DC voltage (V) 600V ±(0.5%+2) AC voltage (V) 600V ±(0.8%+3) DC current (A) 10A ±(0.7%+2) AC current (A) 10A ±(1%+3) Resistance (Ω) 60MΩ ±(0.8%+2) Capacitance (F) 99.99mF ±(4%+5) Frequency (Hz) 10Hz~10MHz ±(0.1%+4) Temperature (°C) -40°C~1000°C ±(1%+4) Temperature (°F) -40°F~1832°F ±(1.5%+5) Features Display count 6000 Auto range/Manual range /True RMS √ Bandwidth (Hz) 45Hz~400Hz NCV/Continuity buzzer √ Duty cycle 0.1%~99.9% √ Diode Around 3V LPF/LoZ (ACV) √ Analog bar √ General Characteristics Power 1.5V battery (R6) x 2 Display 58mm x 36mm Product color Red and grey Product net weight 345g Product size 170mm x 80mm x 48mm Applications: Electrical maintenance. HVAC diagnostics. Industrial troubleshooting. Power system monitoring. Equipment repair / service. Electrical safety inspection. Package Contents: 1x Main unit (multimeter) 1x Test leads (pair) 1x Temperature probe (thermocouple) 1x User manual / instruction sheet Documents: User manual

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