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Bera

Product catalog summary

System Overview: The HOMOTH ABR/BERA module is a real-time brainstem audiometer designed with the latest ENT research insights. It utilizes modern processors to offer a wide range of functionalities, ensuring longevity through software updates and upgrades.

System Requirements: The system requires a Pentium PC with a minimum of 500 MHz, USB 2.0 port, and is compatible with Windows 98, ME, 2000, and XP.

Standards and Compliance: The device complies with EN 60601-1/1-1/1-2 standards and AGERA rules, ensuring safety and reliability.

Technical Specifications:

Isolation: Galvanic separation of electrodes.
Stimulus: Click (50-500 us) and sinus (in preparation).
Polarity: Positive, negative, and alternating.
Intensity: 0-110 dB SPL.
Rate: 1-50 per second in 0.1 steps.
Masking: 0-80 dB white noise.
Measurement: 1 channel (ipsi/contra).
EEG Amplifier: 80 dB, input impedance > 48 MOhm, automatic or manual gain selection.
Converter: A/D 12 bit, 100 kHz.
Averager: Maximum 10,000 sweeps.
Analysis Time: 10 ms (early potentials).
Artefacts: Online elimination (time and amplitude).
Filters: Highpass (100-300 Hz), Lowpass (1-8 kHz), software filters, 50 Hz notch filter.
Results: Curve diagrams (8x right and 8x left), latency diagram, direct comparison right/left.

Physical Characteristics:

Dimensions: W=32 cm, D=27 cm, H=7.5 cm.
Weight: 1.8 Kg.
Measure Cable Length: 275 cm + 60 cm electrodes cable.
Power Consumption: 13.2 V, 15 W.

Accessories: Includes a headphone DT 48 A, measure cable with 3 electrode clamps (red, yellow, black), a bag of 50 standard electrodes, power pack, set of cables, program CD, and instruction manual.

Software Features: The software includes pre-selected standard programs for ease of operation and allows the creation of storable measuring programs with individual parameters. The EXPERT-MODE enables real-time adjustments during measurement sessions.

Expandability: The system can be expanded with electronystagmography (ENG/VNG) and/or otoacoustic emissions (OAE).

Contact Information: HOMOTH Medizinelektronik GmbH & Co KG, Baumacker 1a, 22523 Hamburg. Tel: +49 40-54 72 65 0, Fax: +49 40-54 72 65 50, Email: [email protected], Website: www.homoth.de

Catalog excerpts

BERA 4000 The HOMOTH ABR / BERA- module is a real time brainstem audiometer. It is developed considering the latest knowledge of the ENT research. By use of most modern processors, a wide range of possibilities is opened. It is a system lasting into the future for a lot of years, because all changes in diagnostic demands can be loaded as an update or upgrade via software into the system. The software contains pre-selected standard programs, to reduce the operation of the system onto a few keymoves. Beside this, it is possible to create storable measuring programs with individual parameter selections....

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