TH2821,TH2821A,TH2821B手持式LCR电桥技术指标测试频率2812C,2820,2821,2821B:100Hz,120Hz,1KHz2811C:100Hz,1KHz,10KHz2821A:100Hz,120Hz,1KHz,10KHz型号TH2811C/2812C2820/2821/2821A/2821B测试参数L,Q,C,D,RL,Q,C,D,R,Z测试电平0.3Vrms准确度0.25%0.3%显示范围L100Hz/120Hz1μH～9999H1kHz0.1μH～999.9H10kHz0.01μH～99.99HC100Hz/120Hz1pF～19999μF1kHz0.1pF～1999.9μF10kHz0.01pF～199.99μFR,Z0.0001Ω～999.9MΩD,Q0.0001～9999△%–9999%～9999%测量速度5次/秒3次/秒等效电路串联并联量程方式自动保持校准功能开路短路清零开路短路扫频清零测量端5端显示方式直读直读△△%2821B仅直读比较器———四档:NG,P1,P2,P32821B无)