A kind of digital power meter for locomotives was discussed in this paper. High precision and multi-function were obtained in this design based on ATT7022A.

Chroma's 66200 Series Digital Power Meter is designed for single-phase measurements of AC power signals and related parameters common to most electronic products.

BBT owns mature LED production lines, equipped with integrating sphere, aging racks, withstand voltage tester, laser marker, digital power meter, insulation resistance tester, etc.