Model | LW-2812C | |
Measuring parameters | L, C, R, Q, D | |
Measuring frequency | 100Hz, 1Hz, 100kHz±0.02% | |
Measuring range | ||
Parameters | Frequency | Measuring range |
L
|
100Hz | 1μH~9999H |
1KHz | 0.1μH~999.9H | |
10KHz | 0.01μH~99.99H | |
C | 100Hz | 1pF~9999μF |
1KHz | 0.1pF~999.9μF | |
10KHz | 0.1pF~99.99μF | |
R | 0.1Ω~99.99MΩ | |
Q | 0.001~9999 | |
D | 0.0001~9.999 | |
Measuring accuracy | ||
Parameters | Frequency | Measuring accuracy |
L | 100Hz | ±[1μH+0.25%(1+L/200H+2mH/L)](1+1/Q) |
1KHz | ±[0.1μH+0.25%(1+L/200H+0.2mH/L)](1+1/Q) | |
10KHz | ±[0.01μH+0.5%(1+L/10H+0.04mH/L)](1+1/Q) | |
C | 100Hz | ±[1pF+0.25%(1+1000pF/Cx+Cx/1000μF)](1+Dx) |
1KHz | ±[0.1pF+0.25%(1+100pF/Cx+Cx/100μF)](1+Dx) | |
10KHz | ±[0.01pF+0.5%(1+20pF/Cx+Cx/4μF)](1+Dx) | |
R | ±[1mΩ+0.25%(1+R/2MΩ+2Ω/R)](1+Q) | |
Q | 100Hz, 1KHz | ±[0.020+0.15(Qx+1/Qx)%] |
10KHz | ±[0.020+0.2(Qx+1/Qx)%] | |
D | 100Hz, 1KHz | ±0.0010(1+Dx2) |
10KHz | ±0.0015(1+Dx2) | |
Others | ||
Test signal level | 0.3Vrms±10% (Empty) @ 1 kHz | |
Testing speed | 4-6 times per second | |
Temperature | 0℃-40℃ | |
Humidity | less than 85% RH | |
Supply voltage | AC198V~242V 50Hz±5% | |
Power consumption | less than 30W | |
Dimensions | 360×320×140mm | |
Weight | 3.5kg |