Hewlett-Packard 3456A 6 Digit Multimeter

Agilent Free Manual and Schematic Download Site

Hewlett Packard Catalog Cost	Low Bid	High Bid	average
$3,955.00 (1986) $4,600.00 (1990)	.	.	.
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HP's 3456A Digital Multimeter.
This is a microprocessor-based integrated digital multimeter. User can select up to 330 readings/second for high speed bursts or as slow as 1 reading every fifteen minutes for periodic measurements, 6 1/2-digit display, measures DC Volts, AC rms Volts, Resistance and ratios can be selected from the front-panel or by the HP-IB input. DC voltage range from 0.1 V to 1000 V in 5 steps. AC rms voltage range is from 1.0 V to 1000 V in 4 steps (10Hz to 250kHz). Resistance (2 Wohms or 4 Wohms) range is from 100 ohms to 1 Gohm in 8 steps. Ratios of DC/DC, AC/DC or (AC + DC)/DC can be made easily and accurately. 2 ppm stability, 100 nV sensitivity (0.001% accuracy), ohms compensated measurements, memory storage and completely HP-IB programmable.