... Practical! 3.With continuity test! HD90A is 3 1/2 digital clamp meter with steady performance,safety and reliability, ... end and earth: DC 600V CATⅡor 300V CATⅢ.2.Display model: LCD display, max reading “1999”.3. ... A/D transform.4.Range select: manual5.Measurement speed: 2.5~3 times/sec6.Polarity display: it displays “—” as ... )13.Max jaw opening: 25mm14.Accessories:User's manual, test lead, battery