With a multimeter

Product parameters and related elucidation: Measuring methods of integral method Ac measurement methods average measured rectifier Dc/ac voltage measurement function, impedance (Ω), conduction test, diode test (only judge) Additional features the auto/hand-switch range, maintain, automatic save electricity (APS), battery life OF warning, warning, lighting, LCD backlit function Type LCD display mode TN 1/4Duty driving mode Data display department, 3 1/2dgt 4199 maximum (AC/DC 600V range 699)." Polarity show "-" mark (automatically), more than range OF "or" display "-" Automatic switch range usually ranges or hand momentum Sampling rate of 2.5 times/s Input terminals V, Ω, conduction, diode terminal/COM terminals Function constitute OFF/V/Ω Power supply button batteries CR2032 x 1 Battery capacity warning 2.3 V ± 0.15 V when the B markers X x 182H volume 30W has 26.5 Dmm (excluding protruding part), Weight around with 80g (including battery) Attachment CR2032 x 1 (button), The built-in screen)