Z And Zb Test - Voltech AT5600 User Manual

C H A P T E R 1 0 – S P E C I F I C A T I O N S
10.2.23.
The accuracy is based on the chosen test conditions, and is given by:
where:
where:
where:
AT5600 User Manual 98-119 issue 30

Z and ZB Test

���� = ���� + ���� + ���� + ����
���� ���� ���� ����
is the total accuracy (%)
A
T
is the basic relative accuracy (%)
A
R
is the calibration accuracy (%)
A
C
is the correction for voltage level (%)
A
V
A is the correction for current level (%)
I
���� = 0.20 %
����
= 0.08 % + ( 0.00001 % ∗ ����
����
����
0.02 %
���� = 0.08 % + (
����
����
����
0.0001 %
���� = 0.08 % + �
����
����
����
is the test frequency (Hz)
F
M
is the measured voltage (V)
V
M
is the measured current (A)
I
M
is the bias current (A)
I
B
����
)
����
)
����
� + [0.03 % ∗ � �]
����
����
����
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