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                                              Tremetrics RA500 

 Lipin/Dietz Associates, Inc.

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Tailor your hearing testing program to your exact requirements

Count on Tremetrics' advanced RA500 microprocessor audiometer to streamline your hearing testing program. A versatile, touch-sensitive alphanumeric keyboard allows the user to enter up to 25 customized test questions as well as company name and location, subject names, and selective personal data.


Tremetrics RA500 Audiometer  

Tremetrics RA500 Audiometer


 The large, view-adjustable LCD screen lets you monitor complete test status as it occurs. In addition to setting up a complete custom audiometeric testing protocol, the unit will store up to 1200 audiograms, retrieve baselines from your computer and provide detailed audiogram records via a high quality graphics printer. A built-in talkover microphone, multi-level security system and dual RS232C interfaces are standard features.

Check the extra value features

  • 1200 audiogram storage and disk backup capability New! New! New!
  • Proprietary "Notch Adjuster" software analyzes responses so successive tone presentation aren't uncomfortably loud
  • Power line filter to protect audiometer from power fluctuations
  • Fast audiogram tagging for selective record transfer
  • Choice of OSHA, Canadian or other specific protocol criteria

    RA500 Audiometer Specifications

    Equals or exceeds ANSI S3.6-1989.

    Test frequencies: 500, 1000, 2000, 3000, 4000, 6000, 8000 Hz.

    Frequency accuracy: Better than 1% crystal controlled.

    Distortion: Total harmonic distortion below 40 dB (1%)

    HL attenuator: Selectable from –10 dB to 100 dB in 5 dB steps.

    HL accuracy: +/- 1 dB

    Calibration: Non-volatile EEPROM memory provides for electronic calibration. Date displayed on screen and printed on each audiogram.

    Rise/Fall time: Meets ANSI specifications.

    Earphones: Telephonics TDH-39, 10 ohm earphones in Model 41 cushions.

    Mechanical: High impact, GE Noryl® U.L. approved plastic housing, "touch sensitive" panel with adjustable super-twist LCD.

    Physical: 17 ½" W, 12 ¼" D, 4" H, weight 9 ½ lbs.

    Power: 120 VAC +/- 10%, 60Hz, 30 Watts; 240 VAC, +/- 10%, 50 Hz, 30 Watts (user selectable)

    Computer interface: Two RS232C ports.

    Data output: 3000-19200 baud, selectable.

    Printer: High speed graphics printer, avg. 6-8 seconds/audiogram.

    Clock: Real-time, battery backed.







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Copyright © 2012 Lipin/Dietz Associates, Inc.


All material contained herein, unless otherwise noted or linked to entities other than this one, remain property of Lipin/Dietz Associates, Inc. and reproduction of them in any form, without exclusive permission, is a violation of applicable copyright laws. Copyright © 2008 Lipin/Dietz Associates, Inc.
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Last modified: October 28, 2015