Hearing aids test
For the hearing aid test system launched by CRYSOUND, the sound source and sound cavity comply with IEC60118-0 (2015), IEC 60118-7 (2005) and ANSI S3.22 (2009). The test items cover OSPL90, HFA, FOG, FOG HFA, RTG, and EIN, etc. Thus, the performance of hearing aids are under comprehensively control. This system is highly integrated and can operate conveniently and give stable and reliable test results. It is an indispensable test system for the development and production of hearing aids.
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One-click test, convenient and fast
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Supporting bluetooth products
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Standard testing
Test path
Place the hearing aid under test in CRY319 Ear Simulator (2CC Coupled Cavity).
CRY6151B outputs specific audio through the MOUTH1 port to make CRY609 Mouth Simulator sound.
The microphone in the hearing aid acquires sounds and then SPK plays the sounds.
CRY319 Ear SimulatorThe acquired signals are input via the MIC1 port into CRY6151B for analysis.
Hearing aids test | Max. OSPL90 |
| OSPL90 high frequency average (HFP) | |
| Max. full-on acoustic gain (FOG) | |
| Full-on acoustic gain high frequency average (FOG HFA) | |
Reference test gain (RTG) | |
| Total harmonic distortion (THD) (@65 dB, @ 70dB) | |
| Equivalent input noise (EIN) | |
| Response Limit | |
| Five combined frequency response curves (50 dB, 60 dB, 70 dB, 80 dB, 90 dB) |
| CRY6151B Electroacoustic tester | X1 | Standard | Details |
| CRY609 Mouth Simulator | X1 | Standard | Details |
| CRY372 Measurement microphone | X1 | Standard | Details |
| CRY510 Preamplifier | X1 | Standard | Details |
| CRY319 2CC ear simulator | X1 | Standard | Details |
| Hearing aids test chamber | X1 | Standard | Details |
| Test cable | X1 | Standard | Details |
| CRY333 Measurement Microphone | X1 | Standard | Details |
| CRY507 Preamplifier | X1 | Standard | Details |
| CRY5611 Sound level calibrator | X1 | *Optional* | Details |
| CRY711 Ear Simulator | X1 | *Optional* | Details |
| PC | X1 | *Optional* | Details |
