Đồng hồ đo vạn năng kỹ thuật số ST821 độ chính xác cao

SMART SENSOR Digital Clamp Meter High Precision Manual Range Multimeter AC Clamp Ammeter Clamp Gauge ST821 Features: - Dial manual measuring - AC current measurement - 5999 (3 5/6) bits automatic polarity display. - Frequency test - Temperature measurement(℃/℉) - Square wave output - All unit symbol - Humanity Design: Compact Look & Flashlight & Data Hold & Automatic Shutdown. - Clear Backlight: See the values on the screen clearly in the dark. - Multifunction: AC current test, AC and DC voltage test, resistance test, capacitance test, NCV test, diode on-off test, true RMS measurement. Specifications: Model: SMART SENSOR ST821/ST822/ST823 (Optional) Material: ABS Color: Red Power Supply: 2 * 1.5V AAA Battery (NOT included) Display: LCD display Maximum Display: 5999(3 5/6) bits automatic polarity display Automatic Shutdown Time: 15 minutes Operating Temperature: 0~40℃ (32~104℉) Operating Relative Humidity: ＜80% DC Voltage Range: 6-1000V±(0.5%+3) AC Voltage Range: 6-750V±(0.8%+3) AC Current Range: 6-600A±(2.5%+30)  Resistance Range: 6-600kΩ±(0.8%+3) Capacitance Range: 60nF-30000μF±(3.5%+20) Frequency Range: 1kHz~100kHz±(0.1%+3) Temperature Measurement Range: -20-1000℃(-4-1832℉) Item Size: 18*6.3*2.5cm / 7.09*2.48*0.98in Item Weight: 172g / 6.07oz Package Size: 20.7*11.6*4.3cm / 8.15*4.57*1.69in Package Weight: 345g / 12.17oz Package List: 1 * Clamp Meter 1 * Test Lead Kit 1 * User Manual (English) 1 * Black Handbag #digitalclampmeter #acclampammeter #automaticrangemultimeter #smartsensor #highprecision #clampgauge #st823