UNI-T UT139C RMS LCD Digital Auto‑Range Multimeter – AD / DC Voltage & Current Tester, Resistance, Capacitance, NCV Test, Temperature Measurement

Overview
UT139 Series digital multimeters are newly designed to offer users better performance and higher safety ratings. Over‑load protection and a unique structural design make it a new type of multimeter with a high performance/price ratio – the best choice for electricians in electrical maintenance and repair.

Key Features

• High performance, safety‑rated multimeter ideal for electricians.
• True RMS for the whole series
• Measure signals with varied frequency (VFC)
• Measure large capacitance up to 100 mF
• Optional AC/DC 60 A current clamps (1 mV = 1 A) in different models
• NCV designed for the whole series – a necessity for electricians
• AA 1.5 V × 2 (5#) battery, easy to purchase and replace
• Soft rubber holster withstands 2 m drops
• Optional magnetic hanging strap for testing in special locations
• Fast fuse replacement by opening the battery cover
• Internal 2 PCS fuses with high‑breaking capacity for reliability
• Protection against 600 V input for 1 minute from misconnection
• Safety Rating: CAT III 600 V

• An ideal tool for equipment testing, maintenance, and repair across electronics, electric power, schools, metallurgy, communications, manufacturing, petroleum, national defense, chemical industry, and more.

• Display Count: 6000
• Auto Range: ✔
• Manual Range: ✔
• True RMS: ✔
• Bandwidth (Hz): 45 Hz ～ 1 kHz
• V.F.C: ✔
• Duty Cycle: 0.1 % ～ 99.9 %
• Diode Test: ~3 V
• NCV: ✔
• Auto Power Off: ~15 minutes
• Continuity Buzzer: ✔
• Low Battery Indication: ≤ 2.5 V
• Data Hold: ✔
• Relative Mode: ✔
• MAX/MIN: ✔
• LCD Backlight: ✔
• Input Protection: 600 V rms
• Input Impedance (DCV): 1 GΩ max

• Model: UT139C
• DC Voltage (V): 60 mV/600 mV/6 V/60 V/600 V ± (0.5 % + 2)
• AC Voltage (V): 60 mV/600 mV/6 V/60 V/600 V ± (0.8 % + 3)
• DC Current (A): 600 µA/6 mA/60 mA/600 mA/6 A/10 A ± (0.7 % + 2)
• AC Current (A): 600 µA/6 mA/60 mA/600 mA/6 A/10 A ± (1 % + 3)
• Resistance (Ω): 600 Ω/6 kΩ/60 kΩ/600 kΩ/6 MΩ/60 MΩ ± (0.8 % + 2)
• Capacitance (F): 9.999 nF/99.99 nF/999.9 nF/9.999 µF/99.99 µF/999.9 µF/9.999 mF/99.99 mF ± (4.0 % + 5)
• Frequency (Hz): 10 Hz ‑ 10 MHz ± (0.1 % + 4)
• Temperature (°C): ‑40 °C ~ 1000 °C ± (1.0 % + 3)
• Temperature (°F): ‑40 °F ~ 1832 °F ± (1.5 % + 5)

• Power: AA 1.5 V × 2 (not included)
• LCD Size: 58 mm × 36 mm
• Product Colour: Red and Grey
• Net Weight: 370 g
• Dimensions: 175 mm × 81 mm × 48.5 mm

• 1 × UT139C Digital Multimeter