General Features The dual-slope A/D converter uses C-MOS technology for auto-zeroing, polarity section and over range indication. • Push button ON/OFF power switch • 30-Positions Rotary switch easy to use for Function and Range selection. • 17mm high contrast LCD • Very rigid case fully protected from physical shock • Automatic over range indication with the “1” display and all the bar flashing in bar model. • High surge voltage protection 1.5KV-3KV • Capacitance measurement for 3630 (B) & 3650 (B) • Diode and Audible Continuity test (Continuity Beep sound) • Transistor hFE test (except M3620 (B)) • Frequency measurement for 3650 (B) • Function Annunicators on LCD display • Low Battery Annunciator