e3 Diagnostics

With so many noise hazards in the workplace, frequent screening of employee hearing is of the utmost importance. That’s why e3 Diagnostics offers a wide variety of premier hearing test equipment specific for occupational health professionals.


Tremetrics RA800

Sporting an interactive touchscreen interface to make testing faster and more convenient, the Tremetrics RA800 can test from -10 dB to 100 dB, and from 500 Hz through 800 Hz.

Offering unprecedented customizability, it allows you to select desired option or function display and completely customize test protocols. Built-in safeguards also alert you if someone is trying to manipulate results.


Request a Quote

We understand that you have a choice when it comes to choosing your equipment and are dedicated to providing you with the highest quality instrumentation available.Contact us now for your free, no obligation quote and discover why we are the preferred Authorized Distributor and Service Provider to the world’s leading manufacturers.  (Completing our online form does not sign you up for electronic advertising.)

Request Quote



  • Standards: ANSI S3.6 (1996)
  • Test Frequencies: 250, 500, 750, 1500, 2000, 3000, 4000, 6000, 8000 Hz
  • Frequency Accuracy: Better than 1%
  • Distortion: Total harmonic distortion below 40dB (1%)
  • HL Attenuator: -10 to 100 dB in 5dB steps
  • HL Accuracy: ±1 dB
  • Calibration: Accuracy 0.1dB, Non-volatile EEPROM, calibration date printed on each audiogram, with 45 day reminder prior to renewal. Provision for calibration of two headsets or headset/inserts
  • Rise/Fall Time: Meets ANSI specifications
  • Audiogram Storage: 2,500
  • Compliance Documentation: Calibration, Daily Biological test, earphone, OSCAR and hand-switch identification
  • Display: 10.0" active matrix LCD color display with easytouch user input
  • Clock: Real-time, battery backed, time of day printout


The RA800 is Tremetrics' new interactive touch-screen interface that makes your testing faster and more convenient than ever before. Touch-entry is easy and natural.