... , you can choose 10kohm or 1Mohm impedance to test.2. With the built-in dual voltage output, TH2684 can charge large ... to 500V, 200mA. In voltage follow mode, precharge voltage follow with the test voltage ouput can be finely adjusted. Above features ... . Moreover, this detection function will not increase any test time.TH2684 equips with interfaces of RS232C, USB DEVICE, SCANNING and Handler. Handler ...