Keithley 195 System Digital Multimeter (5½-digit). ✅ Tested with voltage and current sources – accurate results across the board. ✅ Includes the Keithley 1950 option module, which adds AC voltage, DC/AC current, and diode test capabilities to the base unit. ✅ All functions operating as expected. ✅ Comes with original manual. Cosmetically in good condition with normal signs of use for its age. No recent calibration certificate, but measurements are spot-on in basic checks.
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