This part of IEC 61606 is applicable to the basic measurement methods of audio equipment
for professional use.
The definitions, measuring conditions and methods common to both consumer and
professional equipment are described in the IEC 61606-1...
applicable to the basic methods of measurement of the audio
characteristics of the digital audio part of audio and audiovisual equipment for all of consumer
use, professional use and personal computer..
Applies to automatic electrical water level sensing controls of the float and electrode-sensor type for use in, on or in association with boilers with a maximum presure rating of 2 000 kPa (20 bar for household and similar use..