Welch Allyn AM 282 Manual Screening Audiometer with Case

The Welch Allyn AM 282 Manual Audiometer is a compact, single-channel pure-tone audiometer designed for basic hearing screening in medical offices, occupational health programs, hospitals, clinics, and other suitable quiet testing environments.

The AM 282 provides 11 test frequencies from 125 Hz to 8,000 Hz, a broad hearing-level range, and steady, pulsed, and frequency-modulated tone options. Clearly labeled controls and an easy-to-read LCD display support efficient manual hearing assessments.

The lightweight tabletop design operates using AC power or five AA batteries and includes a soft carrying case for convenient transport between testing locations.

Key Features

• Single-channel pure-tone air-conduction audiometer
• 11 test frequencies from 125 Hz to 8,000 Hz
• Adjustable intensity in 5 dB steps
• Additional 10 dB range-extension function000 Hz
• Adjustable intensity in 5 dB steps
• Steady, pulsed, and frequency-modulated test tones
• Separate right-ear and left-ear test selection
• Easy-to-read LCD screen
• Clearly labeled frequency and intensity controls
• DD45 external audiometry headset included
• Calibration storage for standard earphones
• Calibration storage for optional insert earphones
• Operates using AC power or five AA batteries
• Minimum battery operating time of approximately 10 hours
• Low-battery indicator
• Compact and lightweight tabletop design
• Soft carrying case included
• Suitable for mobile and office-based hearing screening
• One-year limited manufacturer warranty
• Prescription-use medical device

Test Frequencies

The AM 282 provides the following discrete test frequencies:

• 125 Hz
• 250 Hz
• 500 Hz
• 750 Hz
• 1,000 Hz
• 1,500 Hz
• 2,000 Hz
• 3,000 Hz
• 4,000 Hz
• 6,000 Hz
• 8,000 Hz

Frequency accuracy is ±2%.

Hearing-Level Ranges

Standard output ranges with the supplied external headset include:

• 125 Hz: −10 to 50 dB HL
• 250 Hz: −10 to 70 dB HL
• 500 to 4,000 Hz: −10 to 90 dB HL
• 6,000 Hz: −10 to 85 dB HL
• 8,000 Hz: −10 to 70 dB HL

The range-extension button can increase the maximum output at the selected frequency by an additional 10 dB.

Maximum output levels may be lower when optional insert earphones are used.

Tone Options

• Continuous steady tone
• Pulsed tone at approximately 2.5 pulses per second
• Frequency-modulated tone with ±5% modulation at 5 Hz

Technical Specifications

• Manufacturer: Welch Allyn
• Parent Company: Baxter
• Product: AM 282 Manual Audiometer
• Catalog Number: 28200
• GTIN: 00732094082319
• Instrument Type: Single-channel screening audiometer
• Test Method: Pure-tone air-conduction audiometry
• Frequency Range: 125 Hz to 8,000 Hz
• Frequency Accuracy: ±2%
• Intensity Adjustment: 5 dB steps
• Signal-to-Noise Ratio: Greater than 70 dB
• Tone Rise and Fall Time: 20–50 milliseconds
• Display: LCD
• Included Headset: DD45 external audiometry headset
• AC Adapter Input: Universal autoranging, 90–264V at 47–63Hz
• Product Configuration: 100–240V, 50–60Hz AC, IEC Type-B plug
• Power Consumption: Approximately 1.5 watts
• Battery Requirement: Five AA batteries
• Approximate Battery Capacity: Minimum 10 hours
• Dimensions: 12.59 W × 8.76 D × 3.18 H inches
• Metric Dimensions: 32 W × 22.3 D × 8.1 H cm
• Instrument Weight: Approximately 2.55 lb / 1.16 kg with batteries
• Shipping Weight: Approximately 3.72 kg
• Condition: New
• Packaging: 1 each
• Warranty: One-year limited manufacturer warranty
• Regulatory Status: Rx only

Included Components

The standard 28200 configuration includes:

• Welch Allyn AM 282 Manual Audiometer
• DD45 external audiometry headset
• Threshold audiometry reference card
• Audiogram forms, one pad of 50
• Soft carrying and storage case
• Power supply
• Power plug
• Instructions for Use

Package contents should be confirmed before order completion.

Optional Accessories

Optional accessories may include:

• Patient response hand switch
• Patient response patch cord
• Audiocups
• Compatible insert earphones
• Replacement audiogram forms
• Replacement headset
• Replacement power supply
• Replacement carrying case

Optional accessories are sold separately unless specifically included in the final quotation.

Clinical Applications

The Welch Allyn AM 282 may support hearing screening in:

• Primary care and family medicine offices
• Occupational health clinics
• ENT and otolaryngology practices
• Audiology departments
• Hospitals and outpatient clinics
• School and community hearing-screening programs
• Employee health programs
• Mobile medical services

The device should be used in a suitable quiet environment by an audiologist, ENT professional, hearing healthcare professional, or appropriately trained technician.

Operation and Testing Environment

Excessive background noise can affect hearing-screening results. Testing should be performed in a quiet environment that meets the facility’s clinical protocol and applicable hearing-screening requirements.

The earphones must be placed correctly, and obstructions such as hair, eyeglasses, earrings, or hearing aids should be removed from between the earphone cushion and the patient’s ear.

Calibration and Maintenance

The AM 282 is a calibrated medical instrument. The manufacturer recommends professional calibration annually or sooner when a performance concern is identified.

The audiometer, headset, cords, controls, and accessories should be inspected regularly. Calibration, service, and internal adjustments should be performed only by an authorized or appropriately qualified service technician.

Use only compatible manufacturer-recommended accessories and power supplies.

Cleaning

Clean the device and reusable patient-contact components according to the current manufacturer Instructions for Use and the healthcare facility’s infection-control procedures.

Do not allow fluids to enter the audiometer, electrical connectors, headset, or internal components. Do not operate the device when damaged, wet, improperly calibrated, or missing required components.

Shipping Information

This product is available through Request a Quote.

Big Ben Medical Supplies will confirm:

• Current product availability
• Final selling price
• Package contents
• Shipping and handling cost
• Delivery requirements
• Warranty coverage
• Calibration status
• Estimated lead time

Warranty

The Welch Allyn AM 282 includes a one-year limited manufacturer warranty covering defects in materials and workmanship under the manufacturer’s stated terms.

Final warranty coverage, transportation costs, exclusions, registration requirements, and service procedures will be confirmed before order completion.

Frequently Asked Questions

What is the Welch Allyn AM 282 used for?

It is designed for basic pure-tone air-conduction hearing screening in clinical, occupational, and other suitable quiet testing environments.

What frequencies can it test?

The device provides 11 frequencies from 125 Hz to 8,000 Hz.

Does the AM 282 include a headset?

Yes. The standard 28200 package includes a DD45 external audiometry headset.

Does it operate on batteries?

Yes. It can operate using five AA batteries and provides a minimum operating time of approximately 10 hours under the manufacturer’s stated conditions.

Does it include an AC power supply?

Yes. The standard configuration includes the power supply and power plug.

Is a carrying case included?

Yes. A soft carrying and storage case is included.

Does it include audiogram forms?

Yes. The standard package includes one pad containing 50 audiogram forms.

Does it include a patient response button?

The patient response hand switch is listed as an optional accessory and is not included unless specifically stated in the final quotation.

Is this a diagnostic audiometer?

The AM 282 is a screening audiometer intended for basic audiometric assessments. It should not be represented as a complete clinical diagnostic audiology system.

How often should the audiometer be calibrated?

The manufacturer recommends annual calibration or earlier when a performance issue is suspected.

Who should operate the device?

It is intended for use by audiologists, ENT professionals, hearing healthcare professionals, or appropriately trained technicians.

Product Documents

Official Baxter/Welch Allyn Product Page
https://www.hillrom.com/en/products/am-282-manual-audiometer/

Official AM 282 Instructions for Use — PDF
https://www.hillrom.ca/content/dam/hillrom-aem/us/en/sap-documents/LIT/80016/80016447LITPDF.pdf

Official AM 282 Product Sell Sheet and Specifications — PDF
https://www.hillrom.ca/content/dam/hillrom-aem/us/en/sap-documents/LIT/80011/80011946LITPDF.pdf