Interacoustics AT235 Instructions For Use Manual page 54

Coupler Types used for Calibration
IMP:
TDH39 and DD45 is calibrated using a 6cc acoustic coupler made in accordance to IEC 60318-3, Ipsilateral
earphone and probe tone are calibrated using a 2cc acoustic coupler made in accordance to IEC 60318-5.
General Information about Specifications
Interacoustics continuously strives to improve its products and their perf ormance. Theref ore, the
specif ications can be subject to change without notice.
The perf ormance and specif ications of the instrument can only be guaranteed if it is subject to technical
maintenance at least once per year. This should be carried out by a workshop authorized by Interacoustics.
Interacoustics puts diagrams and service manuals at the disposal of authorized service companies.
Enquiries about representatives and products may be sent to:
Interacoustics A/S
Audiometer Allé 1
5500 Middelf art
Denmark
D-0128073-C – 2022/05
AT23 5 - Instructions for Use - US
Phone: +45 63713555
Fax: +45 63713522
E-mail: inf o@interacoustics.com
http: www.interacoustics.com
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