Welch Allyn AM 282 Manual Audiometer

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.

Welch Allyn AM 282 Manual Audiometer Specifications

• Dimensions: 12.6" x 8.8" x 3.2" (32 cm x 22.3 cm x 8.1 cm).
• Weight: 2.6 lb (1.2 kg).
• 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 - 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 - 264 V at 47 - 63 Hz.
  • Consumption: 1.5 watts.
  • Battery: 5 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°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%.

Welch Allyn AM 282 Manual Audiometer Literature

Welch Allyn AM 282 Manual Audiometer Brochure

Welch Allyn AM 282 Manual Audiometer Directions for Use