GW Instek LCR-8101 (Replaced by LCR-8101G) - Manual (Page 132)

LCR-8000G Series User Manual
132
Accuracy Definition
|Z|, |Y| High Impedance Ae[%]=±((A+0.0000001*Zx)*Kv*Kt)
Low Impedance Ae[%]=±((A+0.1/Zx)*Kv*Kt)
L, C, X, B High Impedance when D < 0.1
Ae[%] = ± (( A + 0.0000001*Zx ) * Kv * Kt)
High Impedance when D ≥ 0.1
Ae[%] = ± (((A + 0.0000001*Zx ) * Kv*Kt)*
 
2 1 D  )
Low Impedance when D < 0.1
Ae[%] = ± (( A + 0.1/Zx ) * Kv * Kt)
Low Impedance when D ≥ 0.1
Ae[%] = ± ((( A + 0.1/Zx ) * Kv * Kt) *
 
2 1 D  )
R, G High Impedance when Qx < 0.1
Ae[%] = ± (( A + 0.0000001*Zx ) * Kv * Kt)
High Impedance when Qx ≥ 0.1
Ae[%] = ± (((A + 0.0000001*Zx ) * Kv*Kt)*
 
2 1 Q  )
Low Impedance when Qx < 0.1
Ae[%] = ± (( A + 0.1/Zx ) * Kv * Kt)
Low Impedance when Qx ≥ 0.1
Ae[%] = ± ((( A + 0.1/Zx ) * Kv * Kt) *
 
2 1 Q  )
D ± ( Ae/100) when D ≤ 0.1
± ( (Ae/100) * (1+D 2 )) when D > 0.1
Q ± (((Qx 2 *De) / (1±Qx*De)) when (Qx*De)< 1
Ɵ ± ((180*|Z|Ae[%]) / (π/100))
Convention A Accuracy taken from the Accuracy chart
Zx Measured value of unknown component
Kv Test Voltage factor
Level Kv Level Kv
≥ 1.250 1.2 ≥ 0.078 2
≥ 0.625 1 ≥ 0.039 2.5
≥ 0.313 1.2 ≥ 0.02 5
≥ 0.156 1.5 ≥ 0.010 10
Kt Temperature factor
Temperature Kt Temperature Kt
8-18°C 2 28-35°C 2
18-28°C 1
Qx Measured Q value
De Relative D accuracy