Keithley 6487 Reference Manual

Model 6487 Reference Manual Getting Started 1-9
Front panel setup operation
To save a user setup
1. Configure the Model 6487 for the desired measurement application.
2. Press SAVE to access the save setup menu.
3. Use the or RANGE key to display the desired memory location
(0 = USR0, 1 = USR1, 2 = USR2).
4. Press ENTER.
To restore any setup
1. Press SETUP to display the restore menu:
2. Use the or RANGE key to display the desired setup (FACT, USR0, USR1,
USR2, or GPIB).
3. Press ENTER.
To select power-on setup
1. Press CONFIG and then SETUP to display the power-on menu.
2. Use the or RANGE key to display the desired setup (FACT, USR0, USR1,
USR2, or GPIB).
3. Press ENTER.
Remote setup operation
Saving and restoring user setups
The *SAV and *RCL commands are used to save and recall user setups. These commands
are documented in Section 11.
Restoring factory or GPIB default setups
The SYSTem:PRESet command returns Model 6487 to the factory defaults and the
*RST command returns it to the GPIB defaults. The *RST command is documented in
Section 11 and SYSTem:PRESet is covered in Section 13.
Selecting power-on setup
The SYSTem:POSetup command is used to select which setup to return to on power-up.
The SYSTem:POSetup command is documented in Section 13.

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%