Acoustics. Loudness scaling by means of categories1 Scope This International Standard specifies basic methods for scaling loudness into categories for audiological applications.

NOTE 1 The subscripts denote the practical application of the silencer and the particular installation and operating conditions: "s" stands for "in situ"

Battery chargers that are part of an appliance

The test pieces required for the tests specified in BS 7431 should preferably be cut from samples of the finished product

refer to ISO 3951-2

organizational culture

Slotted nuts are utilised in applications where the assembly may be unfastened due to vibration or torque

These include the type and quantities of phases present

Explanation of terms

BS 3641-3 makes recommendations for proportions to be used in the design of symbols

4 Wet brake test

BS 1769 gives dimension specifications for the shank of bolts

The method does not measure the mass concentration of particles Directly