Electroacoustics. Audiometric equipment - Instruments for the measurement of otoacoustic emissions1 Scope This part of IEC 60645 applies to instruments designed primarily for the measurement of otoacoustic emissions in the human external acoustic meatus evoked by acoustic probe pulses or tones. This standard defines the characteristics to be specified by the manufacturer, lays down performance specifications for two types of instruments 1 and specifies the functions to be provided on these types. This part of IEC 60645 describes methods of test to

6 Determination of the Skid Resistance Index (SRI)

Annex D (informative) - Worked example: Firewall PP and ST

you can enhance the quality of audio and video signals and allow convenient storage

ISO/TS 21805 provides guidance on fulfilling the requirements contained in ISO 6183:2009

Determination of saponification value

d) data confidentiality (DC)

Operations

Serbian and Ukrainian

The packaging and transportation industry

20 Hz to 20 kHz) to a structure which may

thereby preventing cracks in the structure

Annex B (informative) Equipment notes