E4980AU-007 Datasheet, PDF (10/38 Pages) Keysight Technologies – Precision LCR Meter

10 | Keysight | E4980A Precision LCR Meter 20 Hz to 2 MHz, E4980AL Precision LCR Meter 20 Hz to 300 kHz/500 kHz/1 MHz – Data Sheet
Q accuracy (when Q x De < 1)
Q accuracy Qe is given as:
Equation 10.
(Qx² × De)
Q e = ± —(—1—_±———Q—x—×——D—e—)—
Qx
Measured Q value
De
Relative D accuracy
θ accuracy
θ accuracy θe is given as:
Equation 11.
180 × Ae
θe = —————————— (deg)
π × 100
Ae
Relative accuracies of |Z|, |Y|, L, C, R, X, G, and B
G accuracy (when Dx ≤ 0.1)
G accuracy Ge is given as:
Equation 12. Ge = Bx × De
(S)

1
Bx = 2πfCx =——————
2πfLx
Ge
Relative G accuracy
Dx
Measured D value
Bx
Measured B value
De
Relative D accuracy
f
Test frequency (Hz)
Cx
Measured C value (F)
Lx
Measured L value (H)
Rp accuracy (when Dx ≤ 0.1)
Rp accuracy Rpe is given as:
Equation 13.
Rpx × De(Ω)
R pe = ± ——D—x—_±———D—e—
Rpe Relative Rp accuracy
Rpx Measured Rp value (Ω)
Dx
Measured D value
De
Relative D accuracy
Rs accuracy (when Dx ≤ 0.1)
Rs accuracy Rse is given as:
Equation 14. Rse = Xx × De(Ω)
1
Xx =—————–—= 2πfLx
2πfCx
Rse Relative Rs accuracy
Dx
Measured D value
Xx
Measured X value (Ω)
De
Relative D accuracy
f
Test frequency (Hz)
Cx
Measured C value (F)
Lx
Measured L value (H)