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Item specifics
  • Item Type: Ear Care
  • Model Number: Audiometer AD-3A
  • Material: ABS
  • Size: 4.6*4.0*0.9cm
  • is_customized: Yes
  • channels : two indenpent channnels
  • shelter: while noise
  • warranty: 2years
  • Standard order : air conduction
  • hearing test: audiogram
  • weight : 8KG
  • name: Audiometer
Product Description

2 Channel Used Portable Clinical Audiometer in ear care digital PC audiogram hearing test  AD-3A Free Shipping

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More-details

2 Channel Used Portable Clinical Audiometer in ear care digital PC audiogram hearing test  AD-3A Free Shipping

2 Channel Used Portable Clinical AD-3A Audiometer Free Shipping
Descriptions: This hearing aid audiometer used to determine the patients\' hearing threholds in various testing frequencies.
Features: Functions: designed with application of electro-acoustics this pure tones  audiometer can emit a variety of pure tones with different frequencies.            
This pure-tone audiometer is used to determine the patients hearing thresholds in various testing frequencies.
3A Digital Sonometer Technique Data:

Channel:Two independent channels
Pure Tone Frequency:Conductance 250HZ-8KHZ
                                Bone Conduction 250HZ-4KHZ(Optional)
Frequency Error ≤1%
Attenuator:1/2/5dB increment in the whole range
Attenuator Accuracy:≥3dBHL in the whole range
Sound Level Range:-10 to 120dBHL (air conduction in IF)
                                -10 to 75dBHL ( Bone Conduction in IF)
Shelter:While noise((Broadband noise)
Total Harmonic Distortion:
Air Conduction ≤2.5%
Bone Conduction≤5%

Optional Converter:

Air Conduction   TDH39(Standard configuration)
Bone Conduction  B71(Optional)

Head fixed static pressure :

TDH 39:4.5N±0.5N
B-71: 5.4N±0.5N

Transport and Storage:

Temperature: -40°C to 35°C
Air Humidity:10% to 90%,no condensate
Atmospheric Pressure:500hPa to 1060hPa
  

Operating Environment:

Operation Mode:continuation
Temperature:-10°C to 35°C
Air Humidity: 30% to 90%,no condensate
Atmospheric Pressure:860hPa to 1060hPa
Warm-up Time:≤10 minute

Specification:

Size: 320*220*91mm
Weight:about 3Kg
Power Supply:DC9V
Power Consumption:≤30W

Standard:

Sonometer: EN60645-1,EN60645-2,EN60645-4 and GB/T7341.1
ECM:EN60601-1-2

Sample:

•Available
•Delivery within 3 days 

Warranty:

• Two years

Delivery:

We send the products  by sea or by air accroding to the demand of customers

hearing aid

imageHEARING AID FACTORY

 

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 hearing aids

hearing aid

Thank you for your time, dear! Happy shopping!

Packaging Details
  • Unit Type: piece
  • Package Weight: 3.0kg (6.61lb.)
  • Package Size: 30cm x 20cm x 10cm (11.81in x 7.87in x 3.94in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 3.0kg (6.61lb.)
  • Package Size: 30cm x 20cm x 10cm (11.81in x 7.87in x 3.94in)
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