Keithley 6485 User Manual

8-6 Limit Tests Model 6485 Picoammeter Instruction Manual
Perform limit tests
Step 1. Configure test system
As previously explained, testing the system could be as simple as connecting a DUT to
Model 6485.
Step 2. Configure measurement
Configure Model 6485 for the desired measurement as covered in the previous sections of
this manual.
Step 3. Configure limit tests
Configure Model 6485 for the limit tests as explained in “Limit test configuration,” page
8-5.
Step 4. Start testing process
To enable the limit tests, press the LIMIT key—the testing process will start when LIMIT
is pressed.
Step 5. Stop testing process
The testing process can be terminated at any time by again pressing the LIMIT key.

Keithley 6485 Specifications

General

Model	Keithley 6485
Category	Picoammeter
Input Impedance	>10^14 Ohms
Voltage Burden	<200µV
Accuracy	0.4% of reading
Voltage Source Range	Not Applicable
Voltage Source Resolution	Not Applicable
Voltage Source Accuracy	Not Applicable
Interface	IEEE-488
Power Requirements	100V to 240V AC, 50/60Hz
Dimensions	89 mm high x 214 mm wide x 369 mm deep (3.5 in x 8.4 in x 14.5 in)