§  CFE – Official acceptance of the electromechanical Watthour Meter prototype. This was achieved due to the results obtained in the tests established in CFE specifications, and NOM 044-SCFI-1999.

§  ISO 9001-2000.

§  ANCE, guarantees that the product is manufactured according to Mexican Official Standard NOM 044-SCFI–1999.

§  DGN, proves that the product meets the tests and accuracy established in the Mexican Official Standard NOM 044 - SCFI – 1999.