Innovative digital multimeter series with real effective value measurement (True RMS) and integrated voltage sensor.Industrial environments require TRUE RMS-Measuring Instruments!Non-linear loads, for example, by motor drives with variable speed, frequency converters or power supplies for office equipment and LED-lights, generate a reactive power in the network. As a result, multimeter and current clamp with the average value of the measurement procedure (RMS) the measured values less accurate. In many cases, and especially in industrial environment is the use of modern real effective value TRUE RMS measuring instruments are necessary. The TRUE RMS measurement indicates the actual effective value of an alternating current correctly - regardless whether the signal form the current sinusoidal or distorted. This text is machine translated.