Interacoustics AS608 Hearing Screening Audiometer
Code: 38AS608
£1,470.00
(£1,225.00
ex VAT)
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Please allow around a working week for dispatch of this product
Description
The AS608 from Interacoustics is a portable, easy-to-use audiometer made for schools, industry and primary medical practices or wherever quick hearing screening evaluations are performed. The AS608 requires minimal training prior to use and offers calibrated pure tone and warble tone stimuli over a wide range of frequencies.
Hearing screening is an essential service in ensuring early diagnosis and improved management of hearing loss - from the child at school who cannot hear their teacher to the safety of a factory employee.
The AS608 is easily portable. It is supplied with a dedicated, lightweight carrying bag with a shoulder strap that will accommodate the AS608, DD45 headset, and audiogram charts. It can operate with three standard AA batteries or a medically approved external power supply. Typical battery life is six months.
Hearing threshold levels can be determined by presenting test signals to the test person with the included earphones. The purpose of air conduction audiometry is to establish the hearing sensitivity at various frequencies. This screening audiometer is designed for use with people who are able to reliably follow the instructions to raise their hand when they hear a tone in the corresponding ear (or push the signal button if using a button, purchased separately). Most children of school age without additional difficulties should be suitable for screening with the AS608.
The test normally starts at 1000 Hz on the patient's better ear with the L/R switch adjusted accordingly. Present a tone at 1000 Hz which can easily be perceived (i.e. 50dB) If necessary, increase with steps of 10 dB until the tone is clearly perceived. It is common to test at one dB level for preliminary hearing screenings as is often done in schools and primary practice clinics. After these initial familiarization procedures, but present a single dB level (i.e. 25dB) at just 4 frequencies (500, 1000, 2000 & 4000 Hz) in each ear. In this instance, you simply record a response or no response to the single tone presentations at each frequency (specialist notepad and pen set purchased separately).
Features:
- Weighs less than 1.6 kg/3.5 lbs
- Robust construction
- Battery status indicator
- Operates on 3 AA batteries or mains power
- Supplied with dedicated carrying bag and DD45 headset
- Optional accessories include Patient response switch, external power supply and noise reducing headset (all purchased separately)
The AS608 allows you to carry out the following tests:
- 11 frequencies from 125 Hz to 8 kHz
- Customize frequency test selections
- Output levels from -10 dB to 100 dB HL
- Pure tone, warble tone and pulsed tone
- Silent stimulus switch
As the AS608 is a calibrated device and to ensure that the calibration is as up-to-date as possible, it will be shipped direct from Interacoustics.
Supplied with: AS608 screening audiometer, 3 x AA batteries, AS608 carry case, DD45 audiometric headset P3045, instructions.
Please note, proper use of this item for effective hearing screening requires the appropriate training. It is not suitable for domestic use.
Details
To turn on the audiometer press the Tone Switch (3) button. To power off the audiometer hold down the two rotary wheel buttons, 1) and 2), simultaneously for a few seconds. The audiometer will also automatically power off after 1, 2, 3, 4 or 5 minutes depending on the settings.
After each use, proper cleaning must ensure that there is no contamination on the parts.
Note: Please ensure that the headphones are fitting well by removing glasses and adjusting for a tight fit. Background noise can produce false test results, especially at lower frequencies.
Keep carton for future shipment: The AS608 comes in its own shipping carton, which is specially designed for the AS608. Please keep this carton. It will be needed if the instrument has to be returned for service.
The AS608 requires annual calibration.
Inputs:
Tone
Warble Tone ±5%, 5Hz (true sine wave frequency
modulation).
Outputs: Left and Right.
Tone Presentation:
Manual or Reverse (chosen in Setup Menu).
Multiple pulses 250 or 500msec (chosen in Setup Menu.)
Distortion:
0,3% typical at full intensity.
1% maximum at full intensity.
Rise/fall Times: 35 msec. typically.
Display Header Indicators:
Tone On.
Patient Response.
Power/Battery Status
Batteries:
3 AA size, Alkaline type.
Automatic battery on/off switching.
Automatic battery status indication.
Battery life:
Standby: 6 months
Tone presentations: 70.000
External Power Supply (through USB
connector): Accepts 5 VDC – minimum 150 mA
The recommended UE10WCP1-050200SPA (5 Volt, 2 A) is approved
with the AS608/AS608e. UE10WCP1-050220SPA: Input 100-240VAC 50/60
Hz, 500 mA, Output 5.0 V 2.0 A. (Class II)
Dimensions: WxDxH: 22.5 x 18 x 5.5 cm / 8,9 x 7.1 x 2,2 inches
Weight: 1.0 kg – including batteries and headset.
1.6 kg – including TC608 carrying bag incl. peltor noise
reducing headset, audiogram charts etc.
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