PC Based Bera System (Model No. HV-BS-202)
PC Based Bera System (Brain-Stem Evoked Response Audiometry)
Features:
- BERA,MLR,LLR & P300Tests
- Left/Right Comparison on single screen
- Recording of upto 16 waves
- Manual/ Auto Jewett-Marks on waveforms
- Programmable user defined intensities settings
- Latency Intensity Graph
- Hot Keys for easy operation
- PC Laptop compatible
- A4 Size standard prints on Laser / Inkjet Printers
- High Quality Headphone (optional)
Technical Specifications:
Channels : 2 Sensitivity : 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100, 200, 500μV/div; 1, 2, 5, 10, 20 mV/div. Highcut : 2 pole (12 dB/ octave) filter. Selectable at 100, 200, 500 Hz; 1, 2, 3, 5, 10 kHz. Lowcut : Selectable at 0.2, 2, 20, 30, 100, 200, 500 Hz. Sweep speeds (EPs) : 1 to 1000 ms/div in 19 steps (1, 1.5, 2, 3, 5, 7.5, 10, 15, 20, 30, 50, 75,100, 150, 200, 300, 500, 750,1000). C M R R : > 100 dB. Input Impedance : > 100 M Ohms (common mode). Noise : <0.5μV rms (1 Hz to 10 kHz). A/D Convertor : 14 bit analog-digital conversion. Average : Number of averages per channel upto 9999.
Auditory Stimulator
Stimulator : Headphone. Stimulus : Click (Rare, Comp., Alt), Pips. Frequency : 250, 500, 750, 1000, 1500, 2000, 3000, 4000, 6000 & 8000 Hz. Intensity : 0-110 dB nHL (30-140 dB SPL). Presentation : Left, right or both ears. Click duration : 100 μs square wave clicks. Rarefaction, condensation or alternating polarity. Envelopes : Linear, Gausian, Black man, Hanning Masking : White noise contra lateral masking from 0 dB to 80dB nHL(30 -110 dB SPL). Rate : User definable.
Minimum Computer Configuration
OS: Windows XP Pro/Windwos7 Professional 32bit, Processor: Core2Duo or higher, RAM: 2GB or higher, 40 GB hard disk or higher, CD/DVD Optical Drive, Screen Resolution 1024x768 or higher
Bera Cart
Two tier, heavy duty cart made of pre-laminated 18 mm thick board with -
- Castors having locking arrangement.
- One pull out shelf for computer keyboard.
- Bottom shelves for printer, PC tower.
- Mounting bracket for flexible arm.