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|  | Ready to use via USB connection to a PC | | | Small and light, flexible and highly mobile | | | Keyboard- or mouse- controlled volume and frequency range operation | | | Air, Bone Conduction and SISI Test available | | | No consumable material, direct PC documentation and storing | |
 | | Test Signal | Pure, Pulse or Wobble tone | |
| | Test Frequency | 0,125; 0,25; 0,5; 0,75; 1; 1,5; 2; 3; 4; 6; 8 kHz | |
| | Intensity | 5 dB noise free | |
| | Audiometer Class | Class 4 according to EN 60645-1 | |
| | Masking | with narrow band noise masking, automatic or manually adjustable | |
| | Safety Standards | EN 60601-1, EN 60645-1
Instrument complies with 93/42/EWG Directive for Medical Product Class II a. | |
| | Standard accessories | MA 33 box; air conduction headphone, patient response key, Tone audiometric software, Patient database, USB cable | |
| | Test intensity | from -10 to 100 dBHL (90 dB at 0,25 kHz, 6 kHz, 8 kHz) | |
| Air conduction
Air conduction headphone | HDA 280 , TDH 39 or Holmco 8103 | |
| | | Bone Conduction (MA 33 BC / MA 33 SISI) |
| | Test intensity | -10 bis 70 dBHV
(40 dB at 6 kHz, 60 dB at 0,5 and 4 kHz,
65 dB at 3 kHz) | |
| | Bone conduction headphone | B71 with headband | |
| | Modulation Test signal | 4,8/0,2 s; 5 dB, 3 dB, 2 dB (preparation) 4,8/0,2 s; 1 dB (Test) | |
| | Power supply | via USB | |
| | Size and weight | W x D x H: 15,4 x 10,3 x 2,7cm / 300 g | |
| | Computer requirements | 1.1 or 2.0 USB port, Windows XP SP2, Intel P4 > 1 GHz or compatible, 1 GB RAM | |
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