Voltech ATi User Manual page 418

T T
ESTS AND EST
7.1.32 ZBX - I
DC Bias
0.1A to 250A
This test requires the use of one or more Voltech DC1000 Precision DC Bias
Current Sources. Contact your Voltech sales office for details.
The Winding Impedance with External Bias test measures the impedance of
a selected winding while applying a DC current from the DC1000 through the
winding. An AC voltage is also applied across the winding from the AT.
This test can be used with inductors to measure the change in impedance
with a bias current.
On selecting "ZBX Impedance with External Bias" from the 'available tests'
window, the following dialog box is displayed:
P 7-120
AGE
C
ONDITIONS
MPEDANCE WITH
Measurement
Range
1mΩ to 1MΩ
E B
XTERNAL IAS
Test
Voltage
1mV to
5V
V
OLTECH
Test
Frequency Accuracy
20Hz to
3MHz
AT U
I SER
Basic
0.2%
M
ANUAL