Keithley 2657A User Manual

Model 2657A High Power System SourceMeter® Instrument Reference Manual Appendix B: Calibration
2657A-901-01 Rev. B/December 2012 B-21
Figure 129: Connections for voltage calibration
10 MΩ
200 kΩ
HI
Sense HI
Sense LO
LO
10 MΩ
10 MΩ
10 MΩ
10 MΩ
10 MΩ
LINE RATING
100-240 VAC
50, 60 Hz
350 VA MAX.
LINE FUSE
SLOWBLOW
5.0 A, 250 V
NO INTERNAL OPERATOR SERVICEABLE PARTS,
SERVICE BY QUALIFIED PERSONNEL ONLY.
REPLACE FUSE WITH SAME TYPE AND RATING.
WARNING:
INPUT/OUTPUT CURRENT: 120 mA MAX.
RS-232
DIGITAL I/O
LAN
!
IEEE-488
!
!
SENSE
LO
HI
LO
GUARD
SENSE
HI
LO
3030 VDC
MAX.
250 V
MAX.
* This sample voltage divider should
be used when verifying/calibrating
the 1500 V and 3000 V ranges with
a meter that can measure < 1000 V.
Use a direct connection for 200 V
and 500 V ranges.
Model 2657A
Digital multimeter
Test fixture
Input
HI
Input
LO
Sample voltage divider*
Pin 22 = +5 V
Pin 24 = Interlock (INT)

Keithley 2657A Specifications

General

Brand	Keithley
Model	2657A
Category	Measuring Instruments
Language	English