Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens Ingestion-build-79769 Note 2: An alternative procedure

Note 2: An alternative procedure is provided for information in annex B for the direct determination of water over the range 0

A code and an associated graphical symbol for the identification of the type of a telebiometric device are also specified in this part of ISO/IEC 80000

Safety warning: It is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner

and this is being expanded to hydroponics as well

having been constructed in accordance with good engineering practice in safety matters in force in the Community

Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens Ingestion-build-79769 Note 2: An alternative procedure