... in China. It can measure following 6 parameters: L, C, R, |Z|, D and Q with 0.3% basic accuracy, 3 ... and maintenance personnel. Specifications:Comparisons:Test ParameterL-Q, C-D, R-Q, |Z|-QTest FrequencyTH2821100Hz, 120Hz, 1KHzTH2821A100HZ, 120Hz, 1KHz, 10KHZTH2821B100Hz, 120Hz ...