GW Instek LCR-8101, Руководство пользователя, Страница: 57 / 59

APPENDIX
113
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
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
LCR-8101 User Manual
114
Specification
Test Frequency 20Hz ~ 1MHz, 5 digits, ±0.005%
Input Impedance 100 Ω
Basic Accuracy ±0.1% (R, Z, X, G, Y, B, L, C)
Test Speed AC Max 75ms, Fast 150ms, Medium
450ms, Slow 600ms
DC Max 30ms, Fast 60ms, Medium
120ms, Slow 500ms
Test Signal Levels 10mV ~ 2Vrms, 1mV step, ±2.5%
Short Circuit
Current
Max. 20mA
R, Z, X 0.01m
Ω
~ 1G
Ω
Display Range
G, Y, B 0.001nS ~ 1kS
L 0.1nH ~ 100kH
C 0.001pF ~ 1F
D 0.00001 ~ 1000
Q 0.01 ~ 1000
Rdc 0.1m
Ω
~ 100M
Ω
Impedance (Z) Phase Angle ( ) Measurement
Parameters
Inductance (L) Capacitance (C)
AC Resistance (Rac) Quality Factor (Q)
Dissipation Factor (D) Admittance (Y)
Conductance (G) Reactance (X)
Susceptance (B) DC Resistance (Rdc)
Equivalent Circuit Series and Parallel C+R, C+D, C+Q, L+R, L+Q
Series Only X + R, X + D, X + Q
Parallel Only C + G, B + G
Polar Form Z + Phase Angle, Y + Phase Angle
LCD Display 320 x 240 Dot Matrix
Interface RS-232C, GPIB
Power Source AC 115V/230V (Selectable), 50/60Hz
Accessories User manual x 1, Power cord x 1
Test lead x 1
Dimensions 330 (W) x 170 (H) x 340 (D) mm
Weight Approx. 5kg