iET DE-6000, Руководство пользователя и обслуживания, Страница: 47 / 50

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Adjustment to accuracy (Z) based on dissipation (D) reading:
D > 0.1: Z * √ (1+D
2
)
In capacitance mode, D ≤ 0.1: Z
C
= 1÷(2 π ƒC)
In inductance mode, D ≤ 0.1: Z
L
= 2 π ƒL
Secondary Parameters Accuracy:
A
Z
= impedance (Z) accuracy
Definition: Q = 1/D & Rp = ESR * (1+1/D
2
)
D value accuracy: D
Z
= ± A
Z
*(1+D)
ESR accuracy: R
Z
= ± Z
M
* A
Z
(
Ω
)
ie., Z
M
= impedance calculated by 1÷(2
π
ƒC) or 2
π
ƒL
Phase angle Θ accuracy: Θ
Z
= ±(180/
π
)*A
Z
(deg)