ET3240 Original 22000 counts Benchtop Digital Multimeter with Large Clear Screen High Precision Desktop Multimeter

ET3240 is a 4 digits, 22000 counts, dual digital benchtop true-RMS multimeter.The STM32 chip and external double integral AD used by this benchtop multimeter providing accurate measurement and stable performance. 3.5 inch 320 * 480 high resolution TFT LCD screen makes a clear reading, rich display, and a good visual effects. The benchtop multimeter is powered by electricity and provide full-function, full-range overload protection. Fresh and simple design with excellent performance makes them an ideal choice for electricians, electronics enthusiasts, engineers and colleges and universities. Main features: 4 digits, 22000 counts. Dual parameter display: display two parameters of the same input signal. Measurement rate: FAST (7 times / sec) MID (5 times / sec) SLOW (2 times / sec). Trigger mode: Automatic trigger, single trigger, external trigger(optional). Range switching mode: Auto / Manual. 12 basic measurement functions: AC and DC voltage, AC and DC current, two-wire / four-wire resistance, period / frequency, diode, on-off test, capacitance, duty cycle. DCV basic accuracy: 0.05%. Mathematical functions: MX+B/MAX/MIN/dB/dBm/Rel/Comp Hi/Comp Low/ Statistics. Additional functions: Data hold, data record, data readback. keys can be locked. Open calibration function. Square wave output.(Optional.) Provide system settings, can configure the language(Chinese / English) buzzer, screen brightness, interface display style. Temperature: Thermocouple: K/N/R/S/T/B/E/J/WRe325/WRe526; RTD: PT100 / PT50 / Cu100 / Cu50. Communication Interface: Standard: USB Device; Support SCPI protocol. Technical indicators: Mode ET3240 Display digits 22000(4) Maximum measurement speed 7 times / sec Function DC voltage DC current AC voltage AC current Accuracy (0.05%+3) (0.35%+10) (0.8%+80) (0.8%+80) Range 10uV~1000V 10nA~10A 10uV~750V 10nA~10A Highest resolution 10uV 10nA 10uV 10nA -- 40Hz~100kHz 40Hz~10kHz Function Resistance Capacitance Frequence Period Accuracy (0.1%+6) (3.5%+30) (0.2%+10) (0.2%+10) Range 10m~200M 1pF~10mF 1Hz~20MHz 50ns~500ms Highest resolution 10m 1pF 0.001Hz 0.01ns Others Mathematical functions MX+B/MAX/MIN/dB/dBm/Rel/Comp Hi/Comp Low/Hold/Statistics Resistance measurement Support 2-wire, 4-wire in two ways. Continuity test When the resistance is less than 30 ohms, the buzzer sounds. Diode test Measurable range: 0~2V AC+DCmeasurement Support. Trigger mode Standard: automatic trigger, single trigger; Optional: external trigger. Duty cycle measurement 5.0%~95.0%. (the error is within 10 words.) Square wave output Frequence: 1Hz~100kHz, amplitude: 3V.(Optional.) Limit test Support. Calibration Support. Temperature Thermocouple: K/N/R/S/T/B/E/J/WRe325/WRe526; RTD: PT100/PT50/Cu100/ Cu50. Communication Interface Standard: USB Device; Additional functions Data hold, data record, data readback. General technical specifications: Power supply voltage: 220V AC10% 110V AC 10% 45-65Hz. Working environment: 0~40 relative humidity