Hillrom Welch Allyn Manual Audiometer AM 282

Welch Allyn AM 282 Audiometer

The lightweight design of this manual audiometer allows for easy transportation to a variety of testing locations. This device allows users to run accurate, reliable, tests in a matter of minutes.

Features

• 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

Specifications

• 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 Tupe
  • Continuous: Steady when present bar depressed
  • Pulsed: 2.5 pulse/sec
  • FM: ±5%, 5 Hz, triangular modulation
    
• Environmental
  • Operating Temp: 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
    
• Mechanical
  • 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
    

What's in the Box?

• Headset
• Carrying case
• Audiogram forms (1 pad of 50)
• Directions for use manual
• Threshold audiometry card
• Power plug/power supply