High Current Verification
This procedure applies to the 34461A, 34465A, and 34470A only (not applicable to the 34460A).
This procedure verifies AC and DC current on the 10 A terminals.
1.
Make sure you have read
.
2.
Connect the calibrator to the front 10 A input terminals and select the Front input terminals with the
Front/Rear
switch.
3.
Select each function in the order shown below. Provide the indicated input current and frequency, and
for ACI, use the 200 Hz input filter. Compare measurement results to the test limits shown below. (Be
certain to allow for appropriate source settling.)
Values for the 34461A, 34465A, and 34470A DMMs
Input
Error from Nominal
Function
Current
[1]
Frequency Range
Quick
Check
24 hours
90
days
1
year
2
years
DCI
5 A
N/A
10 A
± 3.5 mA
± 7 mA
± 8.5
mA
DCI
10 A
N/A
10 A
Q
± 16 mA
± 23 mA
± 26
mA
ACI
10 A
5 kHz
10 A
± 24 mA (34465A/70A)
± 29 mA (34461A)
± 29 mA
[1]
If you are NOT using the Fluke 5725 for calibration, reduce the current to 2 A.
Keysight True
volt
Series Operating and Service Guide
521
Performance Verification
