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3 1/2 digit liquid crystal display. ● 200mV and 2V full scale input sensitivity. ● Single Battery operated 9V supply or ±5V DC power supply (Dual     supply). ● Built-in low battery indication and automatic polarity indication. ● Decimal point selectable. ● Low power dissipation Typically less than 20mV. ● High input impedance (> 1M ohm). ● Guaranteed zero reading for 0 volts input on all scales. ● True differential input or single-ended input. ● Self mountable with optional mounting bezel. ● Low cost high performance. ● EN 50081-1 EN 50082-1 EN 55022 EN 61000-4-2 IEC 801-3