HEAT INSULATION Basic Features Hot-line state (30V minimum) detection Large volt mark with the buzzer sound Automatic data hold function Bargraph just like analog meter Large display with backlight Easy to use & tough body Display : numeral display 4000 Sampling rate : 2 times / sec. Specification M : 4M/40M/400M/4000M Test Voltage : 1000/500/250V ACV/DCV : 600V (AC/DC automatic detection) : 4000 (Buzzer and ALARM indicator) Weight : 600g Included Accessories : Test Lead (TL-112a), Strap (ST-50), Manual