Ql Andd Tests - Voltech ATi User Manual

S
PECIFICATIONS
8.2.5 QL
The accuracy of measuring Q factor and D factor is given as:
Where
The value of A
The values of the other factors are given below.
Where
P 8-12
AGE
D T
AND ESTS
A = A + A
T R
is the basic total accuracy (%)
A
T
is the basic relative accuracy (%)
A
R
is the correction for current level (%)
A
I
is the correction for Q or D factor (%)
A
QD
is given in the table in section 8.1 of this chapter.
R
= 0.08% + (0.0001%/Im)
A
I
= 0.2% x (Q
A
QD
= 0.2% x (D
A
QD
is the Q factor of the measured impedance
Q
M
is the D factor of the measurement impedance
D
M
is the measured current (A)
I
M
+ A
I QD
+ (1/ Q ))
M M
+ (1/ D ))
M M
(Q factor)
(D factor)
V AT U
OLTECH I SER
M
ANUAL