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We offer different styles of AC voltage and current data recorders depending on the type of application they will be used in. First there is the question of what parameters are to be recorded, voltage, current, or both. Next is the question of recording speed. Less demanding applications such as energy efficiency studies or equipment monitoring can sample the value over multiple line cycles and record an average value. Applications such as sag or brownout monitoring require that multiple measurements be made over a single line cycle and average/min/max values be recorded over a time frame of seconds and are well served by our Accsense Electrocorder products. Finally, transient applications looking for spikes or glitches will require hundreds of measurement per line cycle to capture actual waveforms or transients and can be accommodated by the AEMC PowerPad power quality recorders.