Building construction machinery and equipment. Concrete placing systems for stationary equipment - Terminology and commercial specifications has-hardcopy Frequency-weighting A is mandatory for

Frequency-weighting A is mandatory for all sound level meters specified in this standard

System manufacturers are encouraged to provide pulsing patterns of the transducer elements to allow testing of individual elements or small-enough groups of elements to enable users to detect significant element failure or to provide access to another implemented and explained element-test program

enabling their mutual understanding of the functions and tasks that fall within the scope of water utilities

ISO 27007 follows the structure of and is to be used in conjunction with

Selection and application principles

Building construction machinery and equipment. Concrete placing systems for stationary equipment - Terminology and commercial specifications has-hardcopy Frequency-weighting A is mandatory for