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MA 27 Portable Audiometer - Air
MA 27 Audiometer


Product Code: 8121537

This product has been discontinued. Click here to return to Audiometers.

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
  • Air conduction.
  • All-in-one sturdy case with built-in handle and storage.
  • Continuous, pulse, warble tones.
  • Easy fingertip operation of frequency and hearing level controls.
Materials Included
  • MA27
  • Operators Manual
  • Carrying Case
  • DD45 Headset Assembly
  • Audiogram Pad
  • AC Adapter
Technical Specifications
  • FrequencyAccuracy: +/- 3% maximum
  • Rise/Fall Time: 35 msectypical
  • Distortion: 0.5% typical, 3% 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

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