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GRAS Sound & Vibration

Europe & Asia
service@grasacoustics.com 
+45 4566 4046
Americas
Krobinson@dimensionalgauge.com
+1 864 473 1188

研发

标准测试

测试依据标准：IEC 60268、IEC 60318-4、IEC 60318-1和ITU-T Rec P.57。

低噪声测试，单击此处。 高频测试，, 单击此处。 高分辨率测试， 单击此处。

声学测试装置          耳模拟器套件

 

声学测试装置

45BB KEMAR
2-channel Head and Torso Simulator

Multi-configurable

Realistic simulation of head-and-torso related diffraction

3-D simulation model of HRTF

ANC performance test

Headphone           

IEC 60268/60318-4 Testing with Standard Pinnae (10 kHz)

45BB-5 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. LEMO

45BB-6 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. CCP

Headphone           

IEC 60268/60318-4 Testing with Anthropometric Pinnae (10 kHz)

45BB-9 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. LEMO

45BB-10 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. CCP
 
45BC KEMAR with Mouth Simulator
2-channel Head and Torso Simulator with Mouth Simulator

Multi-configurable

Realistic simulation of head-and-torso-related diffraction

3-D simulation model of HRTF

With mouth simulator for testing of headsets

Headphone              Headset       

IEC 60268/60318-4 Headset Test with Standard Pinnae (10 kHz)

45BC-1 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. LEMO

45BC-2 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. CCP

Headphone              Headset       

IEC 60268/60318-4 Headset Test with Anthropometric Pinnae (10 kHz)

45BC-9 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. LEMO

45BC-10 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. CCP
45CA Headphone/Hearing Protector Test Fixture
2-channel Test Fixture

Very high Self-Insertion Loss (<65 dB)

Modifiable with various ear simulators and pinnae

Easy to use

Precise and repeatable mounting of all types of headphones

Equally suited for R&D, QA, and PL testing

Perfect for ANC performance test due to the high SIL

Headphone

IEC 60318-1 Testing

45CA-3 IEC 60318-1 ear simulators, 2-Ch. LEMO

45CA-4 IEC 60318-1 ear simulators, 2-Ch. CCP

Headphone           

IEC 60268/60318-4 Testing with Standard Pinnae (10 kHz)

45CA-5 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. LEMO

45CA-6 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. CCP

Headphone           

IEC 60268/60318-4 Testing with Anthropometric Pinnae (10 kHz)

45CA-7 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. LEMO

45CA-8 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. CCP
45CC Headphone Test Fixture
Modular 2-channel Test Fixture

Easy to use

Precise and repeatable mounting

Developed for production line testing, but is also used for R&D and QA

ANC performance test (low-level ANC)

Headphone

IEC 60318-1 Testing

45CC-3 IEC 60318-1 ear simulators, 2-Ch. LEMO

43CC-4 IEC 60318-1 ear simulators, 2-Ch. CCP


Headphone       Headset blue

60318-1 Testing with Mouth Simulator

45CC-7 IEC 60318-1 ear simulators and mouth simulator, 2-Ch. LEMO

45CC-8 IEC 60318-1 ear simulators and mouth simulator, 2-Ch. CCP

 

耳模拟器套件

43AG Ear and Cheek Simulator
1-channel Table-top Test Fixture

Easy-to-use 1-channel desktop test fixture

Ear simulator integrated into test jig with mounting base and adjustable force clamp

Can measure circumaural, supra-aural and in-ear headphones

Ideal from R&D testing to the final test and approval of the finished product

Headphone       

IEC 60268/60318-4 Testing with Standard Pinna (10 kHz)

43AG-1 IEC 60318-4 ear simulator and standard pinna, LEMO

43AG-2 IEC 60318-4 ear simulator and standard pinna, CCP

Headphone       

IEC 60268/60318-4 Testing with Anthropometric Pinna (10 kHz)

43AG-3 IEC 60318-4 ear simulator and anthropometric pinna, LEMO

43AG-4 IEC 60318-4 ear simulator and anthropometric pinna, CCP
43AA Ear Simulator Kit IEC 60318-1
1-channel Table-top Test Fixture

Easy-to-use 1-channel desktop test fixture

Ear simulator and microphone integrated into test jig with mounting base and adjustable force clamp

Headphone       

IEC 60318-1/ITU-T Rec P.57

43AA IEC 60318-1 ear simulator and 1/2” microphone, LEMO

43AA-S2 IEC 60318-1 ear simulator and 1/2” microphone, CCP
43AC
1-channel Table-top Test Fixture

Easy-to-use 1-channel desktop test fixture

Ear simulator integrated into test jig with mounting base and adjustable force clamp

IEC 60318-4 Testing

43AC IEC 60318-4 ear simulator, LEMO

43AC-S1 IEC 60318-4 ear simulator, CCP