Voltech AT360, User Manual

Page: 444 / 470

S
PECIFICATIONS
P
AGE
8-20 V
OLTECH
AT
I
U
SER
M
ANUAL
8.2.13 RLOS T
EST
The accuracy is given as:
Where
A
T
is the total accuracy (dB)
A
Z
is the total accuracy for the Z test (%)
Z
is
V
M
/ I
M
Z
R
is
2 2
imag real
Z Z
+
Where
V
M
is the measured voltage (V)
I
M
is the measured current (A)
Z
real
is the real part of the reference impedance (
Ω
)
Z
imag
is the imaginary part of the reference impedance (
Ω
)
A =
T
0.174
x
( )
x
Z Z
R
( )
x
Z Z
R
2 2
x
A
Z