580_DS.pdf part of Keithley 580 DS 580_DS.pdf, Keithley 580 580

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580 Micro-ohmmeter
with Test Leads & Test Lead Pouch
Combines high accuracy, resolution, and sensitivity for low resistance measurements

The Model 580 Micro-ohmmeter combines high
accuracy, resolution, and sensitivity with three spe-
cial capabilities that make micro-ohm measure-
ments easier and more versatile than ever:
1. When measuring contact and connector resist-
ances, it is important not to puncture oxides
and films that may have formed. The Model 580
ensures this dry-circuit condition by clamping
the open-circuit test voltage to 20mV on the
200m, 2, and 20 ranges when the 20mV
MAX button is pressed.
2. The Model 580 can test more devices by
enabling both test current polarity and wave-
form (DC or pulsed) to be selected. When