Tonghui TH2840 Series - Q Accuracy; Θ Accuracy; G Accuracy; Rp Accuracy

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When D
x
>0.1, D
e
should be multiplied by（1+D
x
）
8.3.3 Q accuracy
The accuracy of Q is given by the formula below：
Q
e
=
ex
ex
DQ
DQ



1
2
Where, Q
x
is the value of the tested Q.
D
e
is the accuracy of D
Above formula should be used when Q
x
×D
e
<1.
8.3.4 Θ accuracy
The accuracy of θ is given by the formula below：
θe =
100
180 eA


[deg]
8.3.5 G accuracy
When Dx (tested value of D)≤0.1
The accuracy of G is given by the formula below：
G
e
= B
x
×D
e
[S]
B
x
= 2πfC
x
=
xfL  2
1
Where, B
x
is the value of tested B with the unit [S].
C
x
is the value of tested C with the unit [F].
L
x
is the value of tested L with the unit [H].
D
e
is the accuracy of D.
F is test frequency.
8.3.6 Rp accuracy
when D
x
（value of tested D）≤0.1
The accuracy of R
p
is given by the formula below：
R
pe
=
ex
epx
DD
DR



[Ω]
Where, R
px
is the value of tested R
p
with the unit [S].
D
x
is the value of test D with the unit [F].
D
e
is the accuracy of D.