型号容量 F旋钮数可变范围最小步进 FPX7/000~1.111105(0-10) (0.00001+0.0001+0.001+0.01+0.1)0.00001PX7/00~1.11104(0-10) (0.0001+0.001+0.01+0.1)0.0001PX7/10~1.1103(0-10) (0.001+0.01+0.1)0.001PX7/20~1.102(0-10) (0.01+0.1)0.01PX7/30~0.1102(0-10) (0.001+0.01)0.001PX7/40~1.01(0-10) 0.10.1PX7/50~0.101(0-10) 0.010.01PX7/60~0.0101(0-10) 0.0010.001准确度 0.1 F组 0.5%电介质损失角正切值优于 0.1 F组 2.5 10-5 0.01 F组 0.65% 0.1 F组 3 10-4 0.001 F组 2% 0.1 F组 1 10-2 0.0001 F组 5% 0.1 F组 5 10-2