AD226 Diagnostic Audiometer

Model AD226
Manufacturer Interacoustics
Country of Origin Denmark
Included Parts
  • Main Unit
  • DD45 Audiometric headset
  • B71 Bone conductor
  • APS3 Patient response button
  • Power cable
  • Diagnostic Suit Software
  • Operation manual
Optional Part
  • OtoAccess database
  • 21925 Amplivox audiocups, noise reducing headset
  • Carrying case
  • EARTone3A Audiometric insert phones
  • TDH39 & DD45 Audiometric headset
  • CIR33 Insert earphone set for masking or monitoring
  • IP30 Insert phones
  • P3100 (Pediatric headband)
Available Tests
  • Air and bone conduction
  • Masking
  • Stenger
  • ABLB
  • Hughson Westlake (auto testing)
Extended License
  • Langenbeck (tone in noise)
  • SISI
  • Békésy


Patient Response switch One push button
Patient communication Talk Forward (TF)
Input Tone, Warble Tone +5%, 5Hz (true sine wave frequency modulation).
Output Left, Right, Bone L+R, Insert Phones, Insert Masking
Dimensions (L×W×H) 30x23x9cm / 12x9x4 inches.
Weight 1.3kg / 2.9lb
Power Supply 5VDC max 1.6A UE10 type only
Batteries 4×1.5V/1.2V Alkaline/NiMH Type AA Note: When the instrument is battery operated the maximum stimuli output level is reduced 20dB
Operation environment Temperature Temperature: 15-35°C Relative Humidity: 30-90% Non-condensing Ambient pressure: 98-104 kPa
Warm Up Time Approximately 1 Minute
Internal storage 500 Patient
Data Connections (sockets) for connection of accessories 1 x USB A for keyboard or printer 1 x USB B for PC connection (compatible with USB 1.1 and later)
External devices (USB) Standard PC keyboard (for data entry) Supported printers: Please contact distributer for a list of approved PC printers
Display 4,3” (480×272) TFT color display
Compatible software Diagnostic Suite – Noah OtoAccess and XML compatible
Stimuli Tone 125-8000Hz
Warble Tone 5Hz sine +/-% modulation
Masking (Narrow band noise) IEC 60645-1 2012, 5/12 Octave filter with the same center 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
Intensity AC: -10 to 120 dB HL BC: -10 to 80 dB Available Intensity Steps is 1, 2 or 5dB Extended range function: If not activated, the Air Conduction output will be limited to 20 dB below maximum output Extended range only available when mains powered
Frequency range 125Hz to 8kHz. (125Hz, 250Hz, 500 Hz, 750Hz, 1500Hz or 8kHz may freely be deselected)


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