... Trigger TypeEdge, Pulse, Video and AlternateAutomatic Waveform Measurements27Frequency Counter6 digits frequency counterPortsUSB HostMathematicsAdd, Subtract, Multiply, Divide, FFTInterfaceColour and Mono display selectablePowerThe ... , 6V, 60V, 600V, 700V:± (1.2% + 5 digits), Frequency: <200Hz± (1.5% + 5 digits), Frequency: ≥200HzDC Current6mA, 60mA, 600mA: ± (1.2% + 5 ...