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Description

The Welch Allyn AM 282 Manual Audiometer (#28200) includes an audiometry headset, threshold audiometry card, (50) audiogram forms, soft storage case, and power plug/power supply.

Warranty: 1 Year.

The AM 282 is a complete precision tabletop audiometer that allows users to complete fast, accurate assessments. This lightweight system is ideal for screening audiometry in physician's offices.

Features

Welch Allyn AM 282 Manual Audiometer Features

  • 11 Frequencies: 125 Hz to 8000 Hz.
  • Compact, lightweight design.
  • Calibration storage for standard earphones and optional insert headphones.
  • Wide intensity range.
  • AC line power and battery.

Specifications

Welch Allyn AM 282 Manual Audiometer Specifications

  • Weight: 2.55 lb (1.16 kg).
  • Dimensions: 12.6" x 8.8" x 3.2" (32 cm x 22.3 cm x 8.1 cm).
  • Frequency Range:
    • Discrete Frequencies: 125, 250, 500, 750, 1000, 1500, 2000, 3000, 4000, 6000, 8000 Hz.
    • Accuracy: ± 2%.
    • Total Harmonic Distortion: < 2.5% measures 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 to 50 msec.
  • Tone Type:
    • Continuous: Steady when present bar depressed.
    • Pulsed: 2.5 pulse/sec.
    • FM: ± 5%, 5 Hz, triangular modulation.
  • Power:
    • Line Voltage: Universal autoranging AC-DC adapter with an input voltage range of 90 to 264 V at 47 to 63 Hz.
    • Consumption: 1.5 watts.
    • Battery: 5x AA, 1.5 V.
    • Capacity: Minimum of 10 hours of power for either battery type. Low battery icon will display when there is approximately one hour of power remaining.
  • Environmental Conditions:
    • Operating Temperature: 59 to 104 °F (15 to 40 °C).
    • Ambient Pressure: 98 to 104 kPa.
    • Warm-Up Time: 10 minutes for instruments stored at room temperature.
    • Storage/Shipping: -30 to 149 °F (-34 to 65 °C).
    • Battery Storage: -4 to 105 °F (-20 to 40 °C).
    • Humidity: 15 to 95%.

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