Keithley SourceMeter 2425, Service Manual

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2-10 Calibration Model 2425 Service Manual
Step 2: Voltage calibration.
Perform the steps below for each voltage range, using Table 2-3 as a guide.
1. Connect the Model 2425 to the digital multimeter, as shown in Figure 2-1. Select
the multimeter DC volts measurement function.
Figure 2-1
Voltage calibration test connections
Model 2425
Digital Multimeter
Input HI
Input LO
2425 100 W SourceMeter
250V
PEAK
5V
PEAK
HI
LO
OUTPUT
125V
PEAK
125V
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
2. From normal display, press the SOURCE V key.
3. Press the EDIT key to select the source field (cursor flashing in source display
field), and then use the down RANGE key to select the 200mV source range.
4. From normal display, press MENU.
5. Select CAL, then press ENTER. The unit will display the following:
CALIBRATION
UNLOCK EXECUTE VIEW-DATES
©
ß
SAVE LOCK CHANGE-PASSWORD