Ql And D Tests - 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
10.2.3.
The accuracy is based on the chosen test conditions, and is given by:
where:
where:
where:
AT5600 User Manual 98-119 issue 14

QL and D Tests

�� = �� + �� + ��
�� �� �� ����
A is the total accuracy (%)
T
A is the basic relative accuracy (%)
R
A is the correction for current level (%)
I
A is the correction for Q or D factor (%)
QD
�� = 0.50 %
��
0.0001 %
�� = 0.08 % +
��
��
��
�� = 0.2 % ∗ [�� + (
���� ��
�� = 0.2 % ∗ [�� + (
���� ��
I is the measured current (A)
M
Q is the measured Q factor
M
D is the measured D factor
M
1
)] (������ �� ������������)
��
��
1
)] (������ �� ������������)
��
��
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