Tympanometer, TM 286® Autotymp® Incl. Headset, Thermal Papers [3 rolls], Ear-Tip Set (1/EA) by Hillrom/Welch Allyn ID 28600

45-1-2860
      
Stock Est. Shipping Date: 3rd June 2025 ⓘ

Tympanometer, TM 286® Autotymp® Incl. Headset, Thermal Papers [3 rolls], Ear-Tip Set (1/EA)
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Rally #45-1-2860
Baxter/Hillrom/Welch Allyn #28600
Welch Allyn TM 286 AutoTymp Tympanometric System (1/EA)

Welch Allyn TM286 AutoTymp Pure Tone and Tympanometry Screener with Tympanometry Mode, Reflex Mode, and Audiometry Mode; Audiometry Headset (External), Threshold Audiometry Card, Thermal Printer Paper (3 rolls), Ear-Tip Set (#26100); 100-240 V, 50-60 Hz AC, IEC Plug Type-B.

Features
  • Fast Detection Of Middle Ear Pathologies
  • 226 Hz Tympanograms Offer Summary Information
  • Manual And Automated Audiometry
  • Lightweight And Portable
  • Internal Printer
  • Acoustic Reflex Measurements Available In 500, 1000, 2000, 4000 Hz Frequencies
The Welch Allyn TM 286 AutoTymp is a portable, lightweight instrument used for screening tympanometry, audiometry, and acoustic reflex measurements. It is designed for fast and accurate detection of middle ear pathologies, with options for probe tones and optional accessories.

Note:
  • The instrument is to be used by trained personnel only.
  • The instrument is Rx Only.
For the State of California:
Warning: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

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Rally #45-1-2860
Manufacturer #28600
GTIN00732094082036
BrandTM 286 Autotymp
ManufacturerBaxter / Hillrom / Welch Allyn
Country of OriginUnknown
ApplicationTympanometer
UNSPSC Code42182416
Dimensions12.5" W x 14.5" D x 4.7" H (31.8 cm W x 36.8 cm D x 11.9 cm H)
Weight5 lbs (2.3 kg) - unit and probe
Operating Temperature59° F to 104° F (15° C to 40° C)
Warm-up Time10 minutes for instruments stored at room temperature
Storage/Shipping-30° F to 149° F (-34° C to 65° C)
Ambient Pressure98 kPa to 104 kPa
Humidity15% to 95%
WarrantyOne Year Warranty
Probe Tone226 Hz, ±2%
Sound Pressure Level226 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

 Note:
  • The range is automatically selected based upon the amplitude of the compensated tympanogram.
  • The maximum uncompensated (ECV + tympanogram peak) admittance (compliance) range is 0 to 5.0 cm3.
  • ECV/cavity limits for initiating pressurization is 0.2 to 5.0 cm3. Compliance Accuracy: ±0.1 cm 3 or ±5%, whichever is greater.
Pressure Range+200 to -400 daPa
Pressure Accuracy±10 daPa or ±15%, whichever is greater
Rate of Sweep600 daPa/sec except near tympanogram peak where sweep rate slows to 200 daPa/sec to provide better definition of peak compliance.
Direction of SweepPositive to negative
Tympanogram Test TimeApproximately 1 second
GradientMeasurement of the tympanogram width taken at 50% of peak compliance.

 Note:
  • 1 daPa = 1.02 mm H20
  • The pressure sweeps to at least -100 daPa. To save test time, pressure sweep stops when tympanogram returns to baseline after -100 daPa.
  • Full pressure sweep for 5 cm3 from sea level to 7000 ft. altitude with no leak.
  • High compliance tympanograms (test time) will take somewhat longer.
Frequencies500, 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 Time5 to 10 msec
Transducers
IpsilateralProbe Assembly
Output Levels
Ipsilateral500 and 4000 Hz: 80, 90,100 dB HL
1000 and 2000 Hz: 85, 95, 105 dB HL
PressureReflex 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 DeterminationCompliance change of 0.05 cm3 or greater
Reflex Test Time1 to 12 seconds depending upon the number of ipsilateral test frequencies selected (4 maximum) and intensity required.

 Note:
  • Ipsilateral stimuli are time multiplexed with probe tone (93 ms ON, 66 ms OFF).
  • Stimuli are presented at lowest level first. If there is no response, the intensity is increased by 10 dB until a response is detected or the maximum dB HL is reached.
Probe:
Steady YellowOcclusion
Blinking GreenReady To Start
Steady GreenTest In Progress
Steady OrangeLeak In Pressure
No LightTest Is Finished
Frequencies125, 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 HeadsetPair External Headset earphones Type 51 cushions (10 ohms impedance) Headband force per ANSI S3.6 and IEC 645 (4.5 ±0.5)
Insert EarphonesEar Tone Insert earphones (50 ohm impedance)
External Headset Earphones
FrequencyIntensity
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
Accuracy125 to 4000 Hz ±3 dB
6000 and 8000 Hz ±5 dB
Step Size5 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 Time20 to 50 msec

 Note: An additional +10 dB is available per frequency via the +10 dB button.

Tone is normally off until the Present bar is depressed
ContinuousTone is steady when present bar is depressed
PulsedTone is pulsed at 2.5/sec (i.e., 200 msec ON, 200 msec OFF)
FM (frequency modulated)Tone is frequency modulated at a rate of 5 Hz, ±5%
Paper Roll LengthApproximately 80 feet (960")
Tests/RollApproximately 230 tests or 115 people
Assumption2 Tympanograms/Reflex + 1 Audiogram per person
SpeedApproximately 1 minute to print three screens:
Tympanogram
Tympanogram + reflex (4)
Audiogram
External PrinterOptional Deskjet color printer recognizing PCL3 or PCL3 GUI;
8-1/2" x 11" or A4 format
Line Voltage100 - 240 VAC (±10%)
Frequency Range47 - 63 Hz
Power Consumption16 watts maximum while printing. Low voltage input for desktop
Power Supplies7 VDC, 5.0 A
Display240 x 64 Graphical, Monochrome LCD
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28600TM 286 AutoTymp
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05260-UTM Carrying Case
23220Audiometry Patient Response Switch
23221Audiometry Single Patch Cord, 2-Conductor
23222Audiometry AudioCups
26008TM Eartips 8 mm (box of 25)
26011TM Eartips 11 mm (box of 25)
26013TM Eartips 13 mm (box of 25)
26015TM Eartips 15 mm (box of 25)
26016TM Eartips 16 mm (box of 25)
26017TM Eartips 17 mm (box of 25)
26018TM Eartips 18 mm (box of 25)
26019TM Eartips 19 mm (box of 25)
26020TM Eartips 20 mm (box of 25)
26100TM Eartips (6 sizes, 2 each, 8, 11, 13, 15, 17, 19 mm)
26240TM Dust Cover
26241TM Test Cavity
28203DD45 Audiometry Headset External
28206Threshold Audiometry Card
28209External Audiometry Headset (Required Calibration)
28210Welch Allyn Y-Cord Headset (Two-Plug Shielded)
28601TM286 Power Brick (for devices with serial numbers GS0077116 and earlier)
28602TM286 Cord, Power, Hosp Grade
28603TM286 Instructions for Use Manual (printed, English only)
28604TM286 Quick Reference Guide
28607TM Wall Chart for Tymp tracings
52600TM Printer Paper, 4” Thermal, 5 rolls
729243Power Supply AM282, TM 286, 4th Edition (for devices with serial numbers GS0077117 and later)

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