... Shanghai Total Co., Ltd. is producing oscilloscope, signal generator, function generator, frequency counter, bench top meter, spectrum analyzer, curve ... impedance meter, electrolytic capacitor leakage current meter, DC low-ohm meter, capacitance meter. on-line UPS, ... · Full metal box,well EM compliant Specification Name Function Signal Generator Specification ·1Ouput: Freq: YB1602 0.02Hz~2MHz /YB1605 ...