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