... curve tracer Shanghai Total Co., Ltd. is producing oscilloscope, signal generator, function generator, frequency counter, bench top meter, spectrum analyzer, curve tracer ... 0.02Hz~2MHz /YB1605 0.05Hz~5MHz /YB1610 0.1Hz~10MHz /YB1615 0.15Hz~15MHz /YB1620 0.2Hz~20MHz·Output ... 0.1Hz·Gate Time: 10s10.1s·Ext. Frequency Test: 1Hz~10MHz·Ext. Sensitivity: 100MV·Counter Range: 5 digital Model VC2002 - ...