... with oscilloscope function 2.AC, AC+DC true-RMS measurements 3.trend Capture,peak capture 1. Introduction ... TL-9989 Professional True RMS Industrial Digital Multi-meter with oscilloscope functions and ... 200pFMax Input Voltage400V(peak)Cursor MeasurementVoltage and time/ FrequencyTrue RMS Multimeter FunctionsFunctionMaximumMax, resolutionAccuracyVoltage DC1000V1μV±(0.025% + ...