MA 27 Portable Air-Conduction Audiometer

Type: Urology
Vendor: MA27


State-of-the-art audiometric circuitry ensures accurate, fast test results. Switch between tone, pulse or warble by simply pressing a button. Large, fingertip control knobs provide access to a full range of frequencies and hearing levels.
The rigid, yet lightweight case with built-in handle and storage compartment not only protects the audiometer, but also allows you to pick-up-and-go in a hurry. Ample storage holds headphones and other accessories.

Features and Benefits
  • Portable air conduction screener
  • All-in-one sturdy case with built-in handle and storage.
  • Continuous, pulse, warble tones.
  • Easy fingertip operation of frequency and hearing level controls.
  • Optional MA 27E Extended Function available
    • Automated Hughson-Westlake
    • Results recalled from internal memory following tests
    • PC compatible with SNAP software
    • Includes patient response switch and USB cable
Materials Included
  • MA27 Audiometer
  • Operators Manual
  • Carrying Case
  • DD45 Headset Assembly
  • Audiogram Pad
  • AC Adapter
  • Patient Response Cable (Optional for MA 27E)
  • USB Cable (Optional for MA 27E)
  • User Manual
Technical Specifications
  • Frequency Accuracy: +/- 1% maximum
  • Rise/Fall Time: 35 msec
  • Distortion: 0.5% typical, 2.5% maximum
  • Crosstalk: -100 dB minimum
  • On/Off Ratio: 80 dB minimum
  • Frequency Modulation: +/-5% frequency modulating rate at 5 Hz
  • Voltage Requirements: 117 voltsAC,220 volts AC available
  • Dimensions: 14”W x 7”H x 17”D
  • Weight: 5.9 lb/2.7 kg
  • Frequency Range: 250 Hzto 8000 Hz
  • Hearing Level Range: -15 dB to 90 dB HL
CPT Codes
  • 92551______Screening, pure tone
  • 92552______Threshold, air
Warranty Information
  • 1-Year Warranty