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The QA700/QA700+ is a clinical audiometer offering all necessary air and bone conduction test capabilities with masking. It offers a range of test features such as Pure-tone, Speech, Hughson Westlake auto test, SISI, Stenger and ABLB(QA700+ Only).
Operation is simple and intuitive. The buttons indicator lights and screen clearly show the device’s current setting contain sound level, frequency, transducer, signal type, audiogram, channel and so on. The ergonomic design is exceptional with a high resolution 7-inch color display that presents crystal clear images for easy to read audiograms. The device has various user-defined settings which enable you to acclimate quickly without losing efficiency or speed.
QA700/QA700+ support standalone mode to monitor of test results, data storage and printing
or connects to PCs running Management Software for more functions such as data sync, data export, diagnosis and printing template modification.
The QA700/QA700+ clinical audiometer is designed to be a device for diagnosing hearing loss.
Large 7″ high resolution color display.
Standalone or PC-based operating.
Hospital data system interface by HL7, SQL, FTP.
Compact and Ergonomic design.
Air and Bone conduction testing (HL, MCL&UCL.)
Pure-tone, Warble, Pulse and Masking Noise.
Easy switch to 1,2 or 5dB steps.
-10 to 120dB HL range.
PTA calculation.
Built-in word lists.(QA700+ Only)
External CD/MP3 presentations.
Microphone for live voice speech.(QA700+ Only)
SRT and WRS calculation.
Monitoring and communication.(QA700+ Only)
Hughson Westlake auto test.
SISI.
ABLB.
Stenger.
| PARAMETER | SPECIFICATION |
| External Signal(CD) | 0.016 to 0.5 Vrms |
| Patient communication | Patient Response Switch (one push button)
Talk Forward (via Machine MIC) Talk Back (via patient MIC) |
| Display | 7-inch (1024×600) color display |
| Internal storage | 60000 Audiograms(QA700)/10000 Audiograms(QA700+ Only) |
| Operating mode | Stand alone
PC-based (via Computer Management and Diagnostic Software) |
| Hospital Database | HL7, SQL, FTP interface or Local export PDF/PNG/XML/JSON format. |
| Data Interaction and Peripherals | 1 x USB B for PC connection,
3 x USB A for printer, keyboard or mouse. |
| Weight | 1.4kg |
| Power supply | 100 – 240VAC, 50/60Hz, 12VDC-max 1 A |
| Warm-up time | Approx. 1 minute |
| Dimensions (LxWxH) | 343x270x92mm |
| Audiometer Standards | Type 2, clinical audiometer |
| Functions | Speech (external CD, internal word lists or live voice speech by MIC)
Hughson Westlake Auto test (user-defined method and timing) Suprathreshold test including Stenger, ABLB, SISI, HL, MCL, UCL |
| Transducers | Air (TDH39 Headband Static Force 4.5N±0.5N)
Bone(B71 Headband Static Force 5.4N±0.5N) Free Field (Optional) Insert earphone (Optional) |
| Stimulus | Pure Tone 125-8000Hz
Warble Tone 5Hz sine +/- 5% modulation Pulse Tone Multiple pulses 250ms on, 250ms off Single or Continuous press sound mode |
| Masking Signal | Narrow band noise
White noise(QA700+ Only) Synchronous masking: Locks channel 2 attenuator to channel 1 attenuator. |
| Frequency Range | 125Hz to 8kHz
125Hz, 250Hz, 500Hz, 750Hz, 1 kHz, 1.5kHz, 2kHz, 3kHz, 4kHz, 6kHz or 8kHz be deselected freely. Accuracy better than±0.1% |
| Intensity | AC: -10 to 120 dB HL
BC: -10 to 70 dB Available Intensity Steps is 1, 2 or 5dB Extended range function: If not activated, the Air Conduction output will be limited to 20 dB below maximum output. |
| Calculation Method | Tone Test: PTA (WHO or ANSI standard)
Speech scoring: SRT, WRS |
| Design print page information
Direct printout by USB connection to printer |
|
| Testing Setting | Offer extensive configuration options and support saving |
| Calibration Accuracy | +-0.1 dB, Calibration information and instructions is located in the Service manual |
| Signal lndicator (VU) | Time weighting: 300ms
Dynamic range: 23dB Rectifier characteristics: Selectable input are provided with an attenuator by which the level can be adjusted to the indicator reference position(0dB) |
Air conductor headset
Bone conductor headset
Patient response button
Audiometric computer management software
Monitor headset and patient MIC
Power adapter and cable
Operation manual
Warranty card
Monitoring headset(QA700+ Only)
Patient talk back microphone(QA700+ Only)
