AC40 Instructions for Use - US Page 51
5 General Technical Specifications
AC40 Technical Specification
IEC60601-1:2005; ES60601-1:2005/A2:2010; CAN/CSA-C22.2 No. 60601-1:2008;
IEC60601-1:1988+A1+A2
Class I
Type B Applied parts
IPx0
Tone: IEC 60645-1:2012/ANSI S3.6:2010 Type 1-
Speech: IEC 60645-2:1993/ANSI S3.6:2010 Type A or A-E
Calibration information and instructions is located in the AC40 Service manual
TDH39: ISO 389-1 1998, ANSI S3.6-2010
DD45: PTB/DTU report 2009
HDA300: PTB report PTB 1.61 – 4064893/13
HDA280 PTB report 2004
E.A.R Tone 3A/5A: ISO 389-2 1994, ANSI S3.6-2010
CIR 33 ISO 389-2 1994
IP30 ISO 389-2 1994, ANSI S3.6-2010 DES-2361
B71: ISO 389-3 1994, ANSI S3.6-2010
B81: ISO 389-3 1994, ANSI S3.6-2010
ISO 389-7 2005, ANSI S3.6-2010
ISO 389-5 2006, ANSI S3.6-2010
ISO 389-4 1994, ANSI S3.6-2010
TDH39 Headband Static Force 4.5N ±0.5N
DD45 Headband Static Force 4.5N ±0.5N
HDA300 Headband Static Force 8.85N ±0.5N
HDA280 Headband Static Force 5N ±0.5N
B71 Bone Headband Static Force 5.4N ±0.5N
B81Bone Headband Static Force 5.4N ±0.5N
E.A.R Tone 3A/5A:
CIR 33
Talk Forward (TF) and Talk Back (TB).
Real stereo output through built-in speakers or through external earphone or assistant
monitor.
Special tests/test battery
(some are optional)
• ABLB
• Langenbeck (tone in noise).
• Masking Level Difference
• Pediatric Noise Stimuli
• Multi Frequency
• High Frequency
• Speech from Hard-drive (Wave Files)
• SISI
• Master Hearing Aid
• Hearing Loss Simulator
• QuickSIN(tm)
• Auto threshold:
o Hughson Westlake
125-20000Hz separated in two ranges 125-8000Hz and 8000-20000Hz.
Resolution 1/2-1/24 octave.
1-10 Hz sine +/- 5% modulation
A special narrowband noise stimulus. The bandwidth is frequency depended 125-250 Hz
29%, 500Hz 24%, 750 Hz 20%, 1kHz 17%, 1.5kHz 13%, 2kHz 11%, 3kHz 9% from 4kHz
and up is fix 8%,
44100Hz sampling, 16 bits, 2 channels