Welch Allyn AM282 Manual Audiometer

Description:

Welch Allyn brings precision audiometry to the table with the AM282 manual audiometer. This audiometer provides multiple frequencies (125 Hz to 8000 Hz) and wider intensity range in a compact, light-weight screening audiometer.

Features and Benefits

11 frequencies: 125 Hz to 8000 Hz
Wide intensity range
Compact, lightweight design
AC line power and battery
Calibration storage for standard earphones and optional insert phones
Ideal for physician’s office for screening audiometry

Materials Included

Audiometry headset, external
Carrying case
Audiogram forms (1 pad of 50)
Directions for Use manual
Threshold audiometry card
Power plug/power supply

Technical Specifications

Dimensions: 12.59” W x 8.76” D x 3.18” H (32 cm W x 22.3 cm D x 8.1 cm H)
Weight: 2.55 lbs (1.16 kg) with 5 AA batteries
Frequency Range

Discrete Frequencies: 125, 250, 500, 750, 1000, 1500, 2000, 3000, 4000, 6000, 8000 Hz
Accuracy: ± 2%
Total Harmonic Distortion: < 2.5% measured acoustically at the maximum Hz for frequencies below 5000 Hz and measured electrically above 5000 Hz

Intensity (Ranges* in increments of 5 dB steps): 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 to 8000 Hz, ± 5 dB
Signal to Noise Ratio: > 70 dB
Rise/Fall Time: 20-50 msec
Tone Type
- Continuous: Steady when present bar depressed
- Pulsed: 2.5 pulse/sec
- FM: ±5%, 5 Hz, triangular modulation
DD45 Headset
- External Headset Earphones with Type 51 Cushions (10 ohm impedance)
- Headband: Exerts a force between 4 and 5 N when the earphones are separated by 145 mm
Power
- Line Voltage: The AC-DC adapter is universal autoranging with an input voltage range of 90 - 264 V at 47 - 63 Hz
- Consumption: 1.5 watts
- Battery Types: 5 each alkaline AA 1.5 V, 5 each rechargeable nicad or NIMH AA 1.2 V
- Capacity: Minimum of 10 hours of power for either battery type. A Low Battery icon will display when there is approximately one hour of power remaining.
Environmental
- Operating Temperature: 59 °F to 104 °F (15 °C to 40 °C)
- Ambient Pressure: 98 kPa to 104 kPa
- Warm-Up Time: 10 minutes for instruments stored at room temperature
- Storage/Shipping: -30 °F to 149 °F (-34 °C to 65 °C)
- Battery Storage: -4 °F to 105 °F (-20 °C to 40 °C)
- Humidity: 15% to 95%

Warranty Information

1-Year Warranty