The UT39A+ is a compact portable digital multimeter equipped with a new generation smart ADC chip. It features overvoltage and overcurrent alarms, comprehensive high voltage protection, and safety ratings CAT II 1000V / CAT III 600V, making it a top choice for commercial and industrial electricians. It supports both manual and auto ranges, with a capacitive auto-range mode. Key Features 1000V DC voltage test 750V AC voltage test 10A DC/AC current test 200MΩ high resistance Continuity, diode, and transistor tests Live alarm, overload protection, backlight, hold function CAT II 1000V / CAT III 600V safety ratings Manual range and auto range options, including capacitor mode for auto range Display and Ranges Display: 3999 counts Manual ranges: ACV, DCV, Ω, A Auto range: Capacitor range Specifications Function Range Resolution Accuracy DC Voltage (DCV) 0.4000 V 0.1 mV ±(0.5%＋5) DC Voltage 4.000 V 0.001 V ±(0.5%＋5) DC Voltage 40.00 V 0.01 V ±(0.5%＋5) DC Voltage 400.0 V 0.1 V ±(0.7%＋3) DC Voltage 1000 V 1 V ±(0.7%＋3) AC Voltage (ACV) 0.0040 V 0.001 V ±(1.0%＋2) AC Voltage 40.00 V 0.01 V ±(0.8%＋3) AC Voltage 400.0 V 0.1 V ±(0.8%＋3) AC Voltage 750 V 1 V ±(0.8%＋3) DC Current (DCA) 0.0400 A 0.01 mA ±(1.0%＋2) DC Current 0.4000 A 0.1 mA ±(0.8%＋3) DC Current 10.00 A 0.01 A ±(1.2%＋5) AC Current (DCA) 0.0400 A 0.01 mA ±(1.0%＋2) Resistance (Ω) 0.4000 Ω 0.1 Ω ±(1.0%＋2) Resistance 4.000 kΩ 0.001 kΩ ±(0.8%＋2) Resistance 200.0 MΩ 0.1 MΩ ±(5%＋10) Capacitance 4.000 nF 0.001 nF ±(4.0%＋10) Capacitance 4.000 μF 0.001 μF ±(4.0%＋5) Capacitance 10.00 mF 0.01 mF ±(10%) Special Features Diode Test Transistor Test (hFE) LED Backlight Low Battery Indicator 1 meter drop test readiness Hold / Backlight combined key Auto Power Off (approx. 15 minutes) General Power: 1.5V x 2 AA batteries Color: Red + Gray Weight: ~328 g (bare unit) Dimensions: 175 × 83 × 53 mm Packaging Color box, user manual, test leads, calibration certificate Inner carton: 30 pcs, 390 × 355 × 355 mm, ~14.5 kg
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