Hangzhou Zhongchuang Electronics Co., Ltd.
18
[%]
*
)
Kl
z
*
100
(
c
e
Kt
K
Ab
A
A
Ac-- calibration accuracy
Ab-- basic accuracy
Kz-- impedance scaling factor
Kl-- cable length factor
Kt-- temperature factor
The accuracy of D
The accuracy of D—De is:
when Dx≤0.1:
100
/
e
Ae
D
Dx-- D measured
Ae-- relative accuracy of R, C, L, Z, and X
When Dx> 0.1: multiply (1 + Dx) by De
The accuracy of Q (when
Q * De<1)
The accuracy of Q—Qe is:
De
Qx
De
Qx
Q
*
1
*
e
2
Qx -- Q measured
De-- relative accuracy of D
The accuracy of θ
The accuracy of θ—θe is:
[deg]
100
*
180
e
Ae
Ae——relative accuracy of R, C, L, Z, and X
The accuracy of Rp (when Dx≤0.1)
Rpe—the accuracy of Rp is:
]
[
*
Ω
De
Dx
De
Rpx
Rpe
Rpe --relative accuracy of Rp
Rpx-- measured Rp (Ω)
Dx-- D measured
De--relative accuracy of D
The accuracy of Rs (when Dx≤0.1)
Rse—the accuracy of Rs is:
]
[
*
se
Ω
De
Xx
R
Lx
X
f
2
x
Rse --relative accuracy of Rs
