07 | Keysight | 4285A Precision LCR Meter – Data Sheet
D accuracy
D accuracy De is given as
Ae
————
De = ±
100
where:
Ae = |Z|, |Y|, L, C, R, X, G, and B accuracy
D accuracy applies when Dx (measured D value) ≤ 0.1.
When Dx > 0.1, multiply De by (1 + Dx).
Q accuracy
Q accuracy Qe is given as
Q2x De
——————————
Qe = ±
1 ± Qx x De
where:
Qx = Measured Q value
De = D accuracy
Q accuracy applies when Qx x De <1.
F Accuracy
q accuracy qe is given as
180 X Ae
————————
qe = ±
[deg]
π X 100
where:
Ae = |Z|, |Y|, L, C, R, X, G, and B accuracy
G Accuracy
G accuracy Ge is given as
Ge = ±Bx De [S]
1
——————
Bx = 2 πfCx =
(
)
2 πfLx
where:
Bx = Measured B value [S]
Cx = Measured C value [F]
Lx = Measured L value [H]
De = D accuracy
f
= Test frequency [Hz]
G accuracy applies when Dx (measured D value) ≤ 0.1.
G accuracy given by the equation above applies to the Cp-G and Lp-G combinations only.
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