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45CA Headphone/Hearing-protector Test Fixture
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45CA Headphone/Hearing-protector Test Fixture
The GRAS 45CA is a versatile test fixture for measuring sound isolation of hearing-protectors according to ISO 4869-3 and ear- and headphones according to IEC60318-1 or 60318-4. For testing hearing-protectors according to ANSI/ASA S12.42, choose GRAS 45CB.
GRAS 45CA provides the basis for reliable and exact measurements and is designed with
The 45CA’s robust design is ideally suited for binaural testing of active and passive earplugs, as well as circumaural hearing protectors.
Key Features
- ISO 4869-3, IEC 60318-1 and IEC 60318-4 compliant, depending on configuration
Key Specifications
| IEC standard | Dep. on conf. |
| ITU-T recommendations | P.380 |
| Weight | 11.6 k g / 409.18 oz |
Specifications from the official GRAS product sheet. Please refer to the attached datasheet for full details.
