Special Features:

Multi-range analog dc voltmeter w/19 bipolar dc voltage ranges from plus and minus one microvolt full scale to plus and minus 1000 volts full scale; battery will operate instrument for 40 hours when fully charged; output potentiometer provides for adjusting output level from zero to one volt

Properties:

An electrically operated instrument having a zero point on its scale (usually located in the center thereof). It may not indicate units of electrical measurement. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. When the indication shows zero, an electrical value of "zero" has been reached in the circuit. It is generally used in situations in which zero is the desired effect. Excludes ammeter, galvanometer; meter, arbitary scale; and voltmeter.