The 616 Digital Electrometer is an automatic ranging (?10 mV to 200 VDC), multipurpose Electrometer featuring sensitivity to 10 ?V/digit over five decades. Its 3 1/2-digit LED display includes automatic polarity and decimal point and provides 0.2% voltage accuracy for a wide range of measurements. Essentially a digital multimeter optimized for measurements from high source impedance. Provides wide range capability when measuring current, resistance, and charge in addition to voltage.