Interacoustics ad226 - General Technical Specifications; Transducer Reference Values

AD226 Instruction for Use - US Page 19
5 General Technical Specifications
AD226 Technical Specification
Safety Standards
IEC 60601-1:2005, ES60601-1:2005/A2:2010, CAN/CSA-C22.2 No 60601-1-
:2008
Class I,
Type B applied parts.
EMC Standard
IEC 60601-1-2:2007
Medical CE-mark
Yes
Audiometer Standards
 Tone: IEC 60645-1:2012/ANSI S3.6:2010 Type 3

Calibration
Calibration information and instructions is located in the AD226 Service
manual
Air
Conduction
TDH39: ISO 389-1 1998, ANSI S3.6-2010
DD45: PTB/DTU report 2009
E.A.R Tone 3A: ISO 389-2 1994, ANSI S3.6-2010
IP30 ISO 389-2 1994, ANSI S3.6-2010 – Des 2361
CIR 33 ISO 389-2 1994
Bone
Conduction
B71: ISO 389-3 1994, ANSI S3.6-2010
Placement: Mastoid
Effective
masking
ISO 389-4 1994, ANSI S3.6-2010
Transducers
TDH39 Headband Static Force 4.5N 0.5N
DD45 Headband Static Force 4.5N 0.5N
B71 Bone Headband Static Force 5.4N 0.5N
E.A.R Tone 3A:
CIR 33
IP30
Patient Response switch
One push button.
Patient communication
Talk Forward (TF)
Special tests/test battery
(only extended version)
 Stenger
 ABLB
 Langenbeck (tone in noise).
 SISI
 Auto threshold:
o Hughson Westlake
o Békésy
Inputs
Tone, Warble Tone +5%, 5Hz (true sine wave frequency modulation).
Outputs
Left, Right, Bone L+R, Insert Phones, Insert Masking
Stimuli
Tone
125-8000Hz.
Warble Tone
5Hz sine +/- 5% modulation
Masking
Narrow band noise:
IEC 60645-1 2012, 5/12 Octave filter with the same centre frequency
resolution as pure Tone.
Synchronous masking: Locks channel 2 attenuator to channel 1 attenuator.
Presentation
Manual or Reverse. Single pulse. Multiple pulses 50-5000 msec. on/off.