Welch Allyn TM 286 AutoTymp

The Welch Allyn TM 286 AutoTymp system provides flexible screening for tympanometry, acoustic reflex measurements and audiometry to meet your testing needs today and in the future. Lightweight and portable, It is designed to make detection and documentation of middle ear pathologies fast and accurate

Features

Rapidly identify middle ear pathologies with quick test times
226 Hz tympanograms provide a summary of key data
Choose between manual and automated audiometry methods
Lightweight and portable design
Print test results immediately with internal printer
Acoustic reflex measurements available in 500, 1000, 2000, 4000 Hz frequencies

Specifications

Tympanometry Mode

Probe Tone: 226 Hz, ± 2%
Sound Pressure Level: 226 Hz: 85.5 dB SPL, ± 2.0 dB, measured in a 2.0 cm3 coupler
Harmonic Distortion: <3%
Admittance (Compliance) Range: 226 Hz: 0.0 to 1.5 cm3 or 0.0 to 3.0 cm3
Pressure Range: +200 to -400 daPa
Pressure Accuracy: ± 10 daPa or ± 15%, whichever is greater
Rate of Sweep: 600 daPa/sec except near tympanogram peak where sweep rate slows to 200 daPa/sec to provide better definition of peak compliance
Direction of Sweep: Positive to negative
Test Time: Approx. 1 second

Reflex Mode

Frequencies: 500, 1000, 2000, and 4000 Hz for ipsilateral stimulation
Accuracy: +- 3%
Total Harmonic Distortion: < 5% for outputs less than 110 dB HL and < 10% at 110 dB HL
Rise/Fall Time: 5 to 10 msec
Output Levels: Ipsilateral: 500 and 4000 Hz: 80, 90,100 dB HL; 1000 and 2000 Hz: 85,
95, 105 dB HL
Pressure: Reflex measures are set automatically to pressure at peak compliance with an offset of -20 daPa if peak pressure is negative and+20 daPa if peak pressure is positive.
Reflex Determination: Compliance change of 0.05 cm3 or greater
Reflex Test Time: 1 to 12 seconds depending upon the number of ipsilateral test frequencies selected (4 maximum) and intensity required

Audiometry Mode

Frequencies: 125, 250, 500, 750, 1000, 1500, 2000, 3000, 4000, 6000, 8000 Hz
Accuracy: +- 2%
Total Harmonic Distortion: < 2.5% (125 to 3000 Hz measured acoustically at maximum dB HL; 4000 and 6000 Hz measured electrically)
Audiometric Headset: Pair External earphones Type 51 cushions (60 ohms impedance).
Headband force per ANSI S3.6 and IEC 645 (4.5 N ± 0.5)
External Headset Earphones: 125 Hz: -10 to 50 dB HL; 500 to 4000 Hz: -10 to 90 dB HL; 6000 Hz: -10 to 85 dB HL; 250 and 8000 Hz: -10 to 70 dB HL
Accuracy: 125 to 4000 Hz ± 3 dB; 6000 and 8000 Hz ± 5 dB
Step Size: 5 dB
Signal-to-Noise Ratio: > 70 dB in 1/3 octave; less than -10 dB HL for levels less than 60
dB HL
Rise/Fall Time 20 to 50 msec
Continuous: Tone is steady when present bar is depressed
Pulsed: Tone is pulsed at 2.5/sec (i.e., 200 msec ON, 200 msec OFF)
FM: Tone is frequency modulated at a rate of 5 Hz, ±5%

Dimensions

12.5” W x 14.5” D x 4.7” H (31.8 cm W x 36.8 cm D x 11.9 cm H)
Weight: 5 lbs (2.3 kg)—unit and probe

What's in the Box?

Audiometry Headset (External)
Theshold Audiometry Card
Thermal Printer Paper (3 rolls)
Ear-Tip Set

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