Keithley 6485 User Manual

Model 6485 Instruction Manual Calibration 16-13
Displaying calibration dates
To display calibration dates at any time:
1. From normal display, press MENU, select CAL, then press ENTER. The unit will
display the following:
CAL: VOFFSET
2. Use either RANGE key to select CAL: DATES, then press ENTER. The Model
6485 will display the last calibration date, for example:
DATE: 11/15/01
3. Press ENTER to view the calibration due date, for example:
NDUE: 11/15/02
4. Press EXIT to return to normal display.
Displaying the calibration count
To display the calibration count at any time:
1. From normal display, press MENU, select CAL, then press ENTER. The unit will
display the following:
CAL: VOFFSET
2. Use either RANGE key to select CAL:COUNT from the calibration menu, then
press ENTER. The unit displays the calibration count, for example:
COUNT: 1
3. Press EXIT to return to normal display.

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)