Keithley SourceMeter 2400, Service Manual, Page: 37 / 137

2400 SourceMeter
250V
PEAK
5V
PEAK
HI
LO
OUTPUT
250V
PEAK
250V
PEAK
EDIT
TOGGLE
POWER
RANGE
INPUT/
OUTPUT
4-WIRE
SENSE
DISPLAY
ON/OFF
TERMINALS
FRONT/
REAR
AUTO
RANGE
EXIT ENTER CONFIG MENU
SWEEP TRIG REL LOCAL FILTER
LIMIT
DIGITS SPEED
V
Ω
MEAS
I FCTN V I
SOURCE
2 3 0 1
6 7 8 9
4
+/-
5
STORE RECALL
EDIT
Digital Multimeter
Input HI
Input LO
Model 2400
Figure 2-1
Voltage calibration connections
2-9 Model 2400 Service Manual
Calibration
2400-902-01 (G - Feb 2006)
8. Note and record the DMM reading, and then adjust the Model 2400 display to agree
exactly with the actual DMM reading. (Use the up and down arrow keys to select the
digit value, and use the left and right arrow keys to choose the digit position.) Note that
the display adjustment range is within ±10% of the present range.
9. After adjusting the display to agree with the DMM reading, press ENTER. The instru-
ment will then display the following:
V-CAL
Press ENTER to 000.00mV
10. Press ENTER. The Model 2400 will source 0mV and at the same time display the
following:
DMM RDG: +000.0000mV
Use
ß
,
©
,
¹
,
ƒ
, ENTER, or EXIT.
11. Note and record the DMM reading, and then adjust the Model 2400 display to agree
with the actual DMM reading. Note that the display value adjustment limits are within
±1% of the present range.
12. After adjusting the display value to agree with the DMM reading, press ENTER. The
unit will then display the following:
V-CAL
Press ENTER to Output -200.00mV