SM910-B SCREENING AUDIOMETER  

11 frequencies: 125 - 8000 Hz

-10 dB to 90 dB in steps of 5 dB

Manual test

Pulse tone

AC Adapter 12V(220-240 V)  or 6 x 1.5V batteries  

SM930 SCREENING MEMORY AUDIOMETER  

11 frequencies: 125 - 8000 Hz

-10 dB to 110 dB in steps of 5 dB

Manual or automatic test (3 automatic tests)

Storage Capacity: 90 audiograms

Serial and Parallel port (option of customizing printer-type)

Pulse tone

Programable setup functions for additionel features

AC Adapter 12V(220-240 V) 

USB-100/USB-300 SCREENING AUDIOMETER

11 frequencies: 125 - 8000 Hz

-10 dB to 110 dB in steps of 5 dB

Manual or automatic test

Power supply via USB

Welch Allyn® AM 232™ Manual Audiometer with AC power or battery

Standards

Frequency Range

125, 250, 500, 750, 1000, 1500, 2000, 3000, 4000, 6000, 8000 Hz

Accuracy: ±3% Total Harmonic Distortion: <2%

Rise/Fall Time: 20 to 50 msec Continuous: Steady when present bar depressed

E-A-RTONE 

E-A-RTONE Gold 5A 10 ohm (Ear level) Audiometric OEM Insert Earphone

410-5010

  Includes starter bags of E-A-RLINK 3A, 3B & 3C

Adjustable E-A-R neck loop & clip

Individual frequency response graphs

Instruction Booklet