- Midwest Group
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Beijing, China
- Main products: Sell instrument and meters, goods imports and exports, technological imports and exports, agency
Home > Products > New product > Portable hearing screening instrument
Portable hearing screening instrument
Negotiable
/ Piece
1 Piece(Min.Order)
- 0 Piece / Pieces per Month
- T/T L/C D/P D/A
- 7 days
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Product Details
| Place of Origin | China | |
| Model Number | M261180 |
Product Description
Let alone headphone jack, you can test out the respective left and right ear hearing loss;
Provide pure tone, warble tone, narrowband noise and filtering complex, the sound test tone;
Light stimulation, suitable for young children;
Specifications:
Signal frequency error: ± ≤ 4%
Signal voltage error: ± ≤ 5%
Protective earth resistance: ≤ 0.1Ω
Continuous leakage current: normal ≤ 0.5mA, single fault ≤ 1mA
Portable hearing screening instrument
Acoustic performance:
Pure-tone center frequency: 0.5kHz, 1.0kHz, 2.0kHz, 3.0kHz, 4.0kHz
Warble tone center frequency: 0.5kHz, 1.0kHz, 2.0kHz, 3.0kHz, 4.0kHz
WAVE: 5 ± 1Hz
Deviation: ± 5%
Modulation frequency: 5 ± 1Hz
Narrowband noise center frequency: 0.5kHz, 1.0kHz, 2.0kHz, 3.0kHz, 4.0kHz
Filter composite tone:
Bell center frequency: 0.7kHz
Frogs center frequency: 1.6kHz
Bird center frequency: 3.0kHz
Electrical properties: the center frequency error is less than ± 3%, the total distortion of the waveform is less than ± 5%
Applications:
For Hospital ENT, MCH, child protection agencies Branch and the various rehabilitation, special education, deaf schools, ordinary schools resource room, hearing and other aspects of the screening test;
Contact Us
- Midwest Group
- Contact nameCherry Lin Chat Now
- Phone86-189-59410778
- AddressNo. 1 3rd Street Shangdi Haidian Disctrict Beijing China 100085
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