This section offers you important information about
▪ the MA 42 hardware specifications
▪ connections
▪ the pin assignment
▪ calibration values
▪ electromagnetic compatibility (EMC)
▪ electrical safety, EMC and associated Standards
The MA 42 audiometer is an active, diagnostic medical
product according to the class IIa of the Medical
Device Regulation (EU) 2017/745.
General Information About Specifications
The performance and specifications of the device can only be guaranteed if it is
subject to technical maintenance at least once every 12 months.
MAICO Diagnostics puts diagrams and service manuals at the disposal of authorized
service companies.
IEC 60601-1:2005 (Third Edition) + CORR. 1:2006 +
CORR. 2:2007 + A1:2012 (or IEC 60601-1: 2012 reprint)
ANSI/AAMI ES60601-1:2015+A2::2010+A1:2012
CAN/CSA-C22.2 No. 60601-1:14
IEC 60645-1:2017 Type 2-EHFclass A-E
ANSI/ASA S3.6-2018 Type 2HF class A
ISO 389-1:2017 (Reference equivalent threshold sound
pressure levels for pure tones and supra-aural earphones)
ISO 389-2:2017 (Reference equivalent threshold sound
pressure levels for pure tones and insert earphones)
ISO 389-3:2017 (Reference equivalent threshold sound
pressure levels for pure tones and bone vibrators)
ISO 389-4:2017 (Reference levens for narrow-band
masking noise)
ISO 389-4:2005 (Reference threshold of hearing under free-
field and diffuse-field listening conditions)