对于所有新设计，建议建筑和工业设备制造商采用所述仪表设计标准和分组。遵守这些建议将提高性能，简化机器和操作，保护机器和操作员，简化仪器设计和生产。

The instrument design criteria and grouping described are recommended to manufacturers of construction and industrial equipment for all new designs. Adherence to these recommendations will promote improved performance and ease of machine and operation, protect machine and operator, and simplify instrument design and production.