Surface metrology is the measurement of tiny features on surfaces and is a branch of metrology. Surface primary shape, surface fractal and surface finish (including surface roughness) are the parameters most commonly associated with this field. It is important to many disciplines and is known for ma

A smart meter is an electronic device that records information such as power consumption, voltage level, current, and power factor. Smart meters communicate information to consumers for a clearer understanding of consumption behavior and to electricity suppliers for system monitoring and customer bi