Keithley 2420
The Keithley 2420 Source Meter combines a precise, low-noise, highly stable DC power supply with a low-noise, highly repeatable, high-impedance multimeter. It has 0.012% basic accuracy with 5½-digit resolution. At 5½ digits, the SourceMeter delivers 520 readings/second over the IEEE-488 bus. At 4½ digits, it can read up to 2000 readings/second into its internal buffer. The unit has broad source and measurement ranges. Source voltage from 5 µV to 63 V, measure voltage from 1 µV to 63.3 V. Source current from 500 pA to 3.15 A, measure current from 100 pA to 3.165 A. Measure resistance from 10 µOhm (
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Keithley 2420
