Keithley 6487 User Manual

Model 6485 Picoammeter
Model 6487 Picoammeter/Voltage Source
User’s Manual
6487-900-01 Rev. B / January 2003
A GREATER MEASURE OF CONFIDENCE
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Keithley 6487 Specifications

General

Type	Picoammeter/Voltage Source
Current Measurement Range	20 fA to 20 mA
Interfaces	GPIB, RS-232
Voltage Burden	< 200 µV
Input Impedance	>10^14 Ω
Power	100 V / 120 V / 220 V / 240 V
Basic Current Measurement Accuracy	0.4%