Calibration 19-17
Step 3: Gain calibration
1µA and 10µA ranges
1. Connect the Model 6430 Remote PreAmp IN/OUT HIGH jack to the digital multimeter
AMPS and INPUT LO jacks using the adapters and cables shown in Figure 19-4. (Use
the type of adapter that connects BNC shell to triax shell, and be sure the cable shield is
connected to DMM INPUT LO.)
2. Select the multimeter DC amps function, 10 PLCs, and enable auto-range.
3. From the calibration menu, select GAIN, then press ENTER. The instrument will
prompt you for Remote PreAmp gain calibration:
PREAMP GAIN CAL
10mA 1mA 100nA 10nA 1nA
100pA 10pA 1pA
4. Select 10µA, then press ENTER. The unit will prompt you as follows:
I-CAL
Press ENTER to Output +00.000µA
Model 6430
Digital Multimeter
Input LO
Amps
WARNING:NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
MADE IN
U.S.A.
INPUT/
OUTPUT
42V
PEAK
250V
PEAK
TRIGGER
LINK
4-WIRE
SENSE
HI
LO
LINE RATING
100-240VAC
50, 60, HZ
100VA MAX
RS232
IEEE-488
(ENTER IEEE ADDRESS
WITH FRONT PANEL MENU)
250V
PEAK
5V
PEAK
5V
PEAK
5V
PK
V, Ω,
GUARD
GUARD
SENSE
LINE FUSE
SLOWBLOW
2.5A, 250V
INTERLOCK-
DIGITAL I/O
REMOTE
PreAmp
!
Remote PreAmp
Mainframe/PreAmp
Cable
IN/OUT HIGH Jack
Triax-to-BNC Adapter
Coax Cable
Dual
Banana-to-BNC
Adapter
250
PEAK
40V
PEAK
GUARD
IN/OUT
LOW
CAT I
MADE IN
U.S.A.
IN/OUT
HIGH
SENSE
MAINFRAME
250
PEAK
42V
PEAK
40V
PEAK
250
PEAK
WARNING: NO INTERNAL OPERATOR SERVICEABLE
PARTS SERVICE BY QUALIFIED
PERSONNEL ONLY
!
Figure 19-4
1µA and 10µA range
gain calibration
connections
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