Mexique - 90 - Instruments et appareils d'optique, de photographie ou de cinématographie, de mesure, de contrôle ou de précision; instruments et appareils médico-chirurgicaux; parties et accessoires de ces instruments ou appareils
Meters for cold potable water and hot water Tariff heading: 902820
Proyecto de Norma Oficial Mexicana PROY-NOM-012-1-SCFI-2017, Instrumentos de medición-Medidores para agua potable fría y caliente-Parte 1: Especificaciones (Draft Mexican Official Standard PROY-NOM-012-1-SCFI-2017, Measuring instruments - Meters for cold potable water and hot water - Part 1: Specifications) (cancels Mexican Official Standard NOM-012-SCFI-1994) (34 pages, in Spanish)
The notified draft Mexican Official Standard applies to water meters that operate mechanically, and to devices that operate electrically or electronically and mechanically, including electronic devices used to measure the volume of cold potable water and hot water. It also applies to complementary electronic devices. Complementary devices are optional.