Figure 19-2 Mainframe Current Calibration Connections - Keithley 6430 Instruction Manual

19-10 Calibration
Step 3: Current calibration
Perform the steps below for each current range using Table 19-4 as a guide.
1.
Figure 19-2
Mainframe current
calibration
connections
2.
3.
4.
5.
6.
7.
8.
Connect the Model 6430 to the digital multimeter as shown in Figure 19-2. (Connect
Model 6430 INPUT/OUTPUT HI to the DMM AMPS input; INPUT/OUTPUT LO to
DMM INPUT LO.) Select the multimeter DC current measurement function.
WARNING:
WARNING:
HI 5V
PK
250V 250V
5V
PEAK PEAK PEAK
LO
4-WIRE INPUT/
SENSE OUTPUT
IEEE-488
(ENTER IEEE ADDRESS
WITH FRONT PANEL MENU)
CAUTION:
CAUTION:
Digital Multimeter
From normal display, press the SOURCE I key.
Press the EDIT key to select the source display field, and then use the down RANGE
key to select the 1µA source range.
From normal display, press MENU.
Select CAL, and then press ENTER. The unit will display the following:
CALIBRATION
UNLOCK EXECUTE VIEW-DATES
SAVE LOCK CHANGE-PASSWORD
Select EXECUTE, and then press ENTER. The instrument will display the following
message:
I-CAL
Press ENTER to Output +1.0000µA
Press ENTER. The Model 6430 will source +1µA and simultaneously display the
following:
DMM RDG: +1.000000µA
Use , ▲, ▼, , ENTER or EXIT.
Note and record the DMM reading, and then adjust the Model 6430 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 (or use the
Model 6430
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
MADE IN
V, Ω,
U.S.A.
GUARD
REMOTE !
5V PreAmp
PEAK
GUARD
SENSE
LINE FUSE
SLOWBLOW
42V 2.5A, 250V
PEAK
LINE RATING
100-240VAC
50, 60, HZ
100VA MAX
INTERLOCK-
TRIGGER
DIGITAL I/O
LINK
RS232
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
Input LO
Amps