Design based on:

 IEC990 touch current and protective conductor current measuring method.It is conforms to UL,TUV,CE,IEC,CSA,BSI,JIS  standard as so on.

Widely used: IT, household appliances, medical equipment and other industriesApplicable standards：
IEC990----GB12113    IEC950----GB4943-2001 IEC335-1--GB4706
IEC601-1--GB9706.1    IEC745-1--GB3883      IEC598----GB7000
UL484--IEC335-2-40   UL60065---GB8898-2001
7 kinds of simulated human impedance network;
An open circuit voltage meter（1M Ω，0-1MHz）；
An  protection  ammeter（0.5Ω，0-1MHz）。

Measured: touch current, open circuit voltage, protective conductor current；
Earth leakage current, surface leakage current,The surface of the surface

leakage current。
FFT Fourier transform curves show,current and voltage waveform curve show

Contribute to a comprehensive analysis of current contacts
TFT liquid crystal display,Touch-screen operator control,USB Interface；
Clean power: a wide range: 90 ~ 300V