UNI-T UT203+ 400A AC DC Digital Clamp Meter Resistance Frequency Test Duty Cycle Measurement Tool (No Battery) •Comprehensive Measurement Capabilities: This digital multimeter offers automatic ranging for AC/DC voltage up to 600V and current up to 400A,making it suitable for a wide range of electrical tasks and applications •Frequency and Duty Cycle Measurement: With the ability to measure frequency from 10Hz to 10MHz and duty cycle from 0.1% to 99.9%,it is ideal for testing electronic circuits and analyzing signal characteristics •Capacitance Testing: Easily measure capacitance up to 40mF,making this device essential for checking capacitors and ensuring circuit performance across various applications •Safety Features: Includes true RMS measurement for accuracy with non-linear loads and full-featured protection with over-voltage and over-current alarms to ensure user safety during testing •User-Friendly Design: The large LCD display and fast ADC provide clear readings,while an intuitive layout allows for quick function switching,enhancing overall user experience Specifications: •Model: UT203+ •AC/DC current: 40A/400A •AC/DC voltage: 600V •Resistance: 400.0Ω~40.00MΩ •Capacitance: 40.00nF~40.00mF •NCV: non-contact voltage detection function •Frequency: 10Hz~10MHZ •AC voltage frequency: 10Hz~60kHZ •Duty cycle %: 0.1%~99.9% •Diode: √ •Continuity test: √ •LCD backlight: √ •Display count: 4000 •Clamp head size: 28mm •Automatic shutdown: about 15 minutes Package included: •1 x Multimeter (without Battery) •1 x Pair of Test Lead •1 x English and Chinese User Manual •1 x Storage Bag