UT211 series Mini Clamp Meters with the characteristics of high reliability, high security, automatic measurement range and miniaturization, which can accurately measure current signal; product chipset up VFC startup mode, the inside will pass through a specific filter circuit, filter the high frequency interference signal to ensure the accuracy of the measurement data. It is suitable for frequency conversion voltage, current with VFC, full range overload protection and unique appearance design, which becomes more superior performance of electrical instruments.