Keithley 2657A User Manual

Model 2657A High Power System SourceMeter® Instrument Reference Manual Appendix B: Calibration
2657A-901-01 Rev. B/December 2012 B-11
Figure 128: Alternate connections for voltage verification (sample voltage divider shown)
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