<P>The <B>1908</B> series are bench or rack mounting digital multimeters that are designed for serious use by professionals, and are at home in the laboratory, workshop or classroom, as well as in the field. The DMMs have functions and features that have been chosen to provide real value and they will carry out a range of measurements, including AC and DC voltage, DC current and True rms AC current, resistance, frequency, capacitance, temperature, continuity and diode test.<BR><BR>The units have dual displays that can be used for either displaying the same measurement in different units or to measure two parameters simultaneously. The DMM has a USB interface as well as RS232 and LAN interfaces. Operates from mains power or internal rechargeable NiMH batteries.</P>