3.1 (*) meet GB 19082-2009 standard requirements;
3.2 the instrument shall have the following four parts:
3.2.1 + 5000V control module;
3.2.2 high voltage discharge module;
3.2.3 random test module of attenuation voltage;
3.2.4 static attenuation time test module;
3.3 measurement range of electrostatic voltage value is 0 ~ plus or minus 5KV
3.4 half-life time range of 0 ~ 99.99 hours, error plus or minus 0.01 seconds
3.5 discharge time 0 ~ 99. 99 hours adjustable