Description The UNI-T UT139A is a compact digital multimeter featuring True RMS measurement for accurate AC and DC readings. It offers both automatic and manual ranging on DC/AC voltage from 20 mV to 600 V and DC/AC current from 200 µA to 10 A. The unit measures resistance up to 20 MΩ, frequency, diode, continuity, temperature, and provides a non-contact voltage detector. A backlit LCD, data hold, MIN/MAX and relative functions support measurement analysis, all housed in a 175 × 81 × 48.5 mm enclosure weighing 370 g. Key Features - True RMS measurement - DC/AC voltage 20 mV–600 V - DC/AC current 200 µA–10 A - Resistance up to 20 MΩ - Backlit LCD with MIN/MAX/relative - Non-contact voltage detection Specifications Brand: UNI-T Model Number: UT139A Product Type: Multimeter Weight (g): 370 Height (mm): 175 Width (mm): 81 Depth (mm): 48.5 Dc Voltage Range: 20 mV–600 V Ac Voltage Range: 20 mV–600 V Dc Current Range: 200 µA–10 A Ac Current Range: 200 µA–10 A Resistance Range: 200 Ω–20 MΩ
