... 4.CE certification IntroductionTH2819A is an updated product of TH2819 LCR meter with the features of TH2819, including easy operation, accurate ... 1.5V/2V internal bias voltage, optional ±10V (±100mA) and 1A internal DC bias source and external inductance bias sources to ... -10V DC bias voltage, 0-100mA DC bias currentTH1902B 0-1A DC bias currentMeasurement display range|Z|, R, X0.00001 Ω — 99 ...