Special Features:

Operating temperature range: -20 degrees c to 40 degrees c and -20 degrees c to 28 degrees for hp-high power option; power requirement 105-125 v or 210 - 250 v; 5 watts

Properties:

An item designed to produce an alternating current, direct current, and electromotive force with high degree of accuracy. It serves as a standard of calibration for ammeter(s), voltmeter(s), wattmeter(s), and similar devices that require accurate voltage and/or current inputs for calibration purposes. See also voltage standard. For items whose outputs are used to operate other electrical or electronic equipment, see power supply.