DEMO - GRAS 146AE 1/2"CCP Free-field Microphone Set
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It´s all about reliable data!
Valid data and efficient test methods have always been important in acoustic noise, vibration and harshness (NVH) testing, but the need for better test methods and more reliable data has never been greater. New types of cars – electric, hybrid, autonomous – pose new challenges and call for new, informed and clever trade-off decisions. Add to this, the constant push for shorter time to market and more efficient NVH test methods - more urgently than ever before.
Learn more about acoustic sensors for NVH testing.
Automotive noise testing can be extremely demanding, so you need a robust solution to meet your expectations. This is why GRAS has developed the 146AE - a measurement microphone specially designed to perform under realistic test conditions. Setting up multichannel measurement systems many times a day exposes your microphones to shock and drop. It is important that your test systems are protected against vibrations, extreme temperatures, high humidity, dust and even oil mist.
The focus has been on ensuring that the 146AE performs in real-life conditions. Ideal for engine compartment measurements, transmissions, exhaust and brake noise tests. These conditionas are all verified during our Highly Accelerated Lifetime Test (HALT). Watch the video about HALT test for GRAS 146AE here.
To enable efficient testing you also have to trust that your microphones are ready and working when you roll a vehicle into the test chamber – and confident that your data is accurate when you roll it out again. Retesting or rescheduling is a costly option.
Our answer is the 146AE - the measurement microphone set that is so rugged and well protected that it can be trusted as your standard microphone for the broadest range of automotive noise, vibration and harshness (NVH) measurements - all without compromising measurement quality.
The new standard NVH microphone
The 146AE is a rugged free-field microphone set for all acoustic applications where the microphone can be pointed directly at the sound source.
Flexible to meet your many measurement needs
Using different microphones for various measurement points can result in inconsistent data and complex test setups. With the 146AE you can use the same microphone at high temperatures, in high humidity or under dusty conditions (free-field as well as randomincidence). This optimizes efficiency and saves you time setting up and evaluating your entire test setup.
High precision ensures valid data in challenging measurement positions
The consequences of inaccurate or incorrect data can be disastrous, especially, if identified late in your test sequence. The unmatched stability of the 146AE, the unique power-on feature as well as on-line calibration data mean that you can trust the accuracy of data from all your measurement positions.
Rugged design makes it ideal for all NVH test conditions
The 146AE is designed for real-life use. This includes conditions where the microphone is exposed to high temperatures, water and dust as well as daily handling with the risk of vibrations, drops and other kinds of shocks.
The microphone is ideal for the test track as well as the dynamometer and is not affected by condensation or other typical problems related to testing in changing weather conditions or when moving vehicles between different facilities. Whether your challenge is brake noise, powertrain noise, exhaust noise, buzz, squeak and rattle noise, vehicle interior noise, road noise or pass-by noise, the 146AE is the solution.
Low cost of ownership
Its extended lifetime ensures low cost of ownership and improves overall performance.
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Video
It´s all about reliable data!
Valid data and efficient test methods have always been important in acoustic noise, vibration and harshness (NVH) testing, but the need for better test methods and more reliable data has never been greater. New types of cars – electric, hybrid, autonomous – pose new challenges and call for new, informed and clever trade-off decisions. Add to this, the constant push for shorter time to market and more efficient NVH test methods - more urgently than ever before.
Learn more about acoustic sensors for NVH testing.
Automotive noise testing can be extremely demanding, so you need a robust solution to meet your expectations. This is why GRAS has developed the 146AE - a measurement microphone specially designed to perform under realistic test conditions. Setting up multichannel measurement systems many times a day exposes your microphones to shock and drop. It is important that your test systems are protected against vibrations, extreme temperatures, high humidity, dust and even oil mist.
The focus has been on ensuring that the 146AE performs in real-life conditions. Ideal for engine compartment measurements, transmissions, exhaust and brake noise tests. These conditionas are all verified during our Highly Accelerated Lifetime Test (HALT). Watch the video about HALT test for GRAS 146AE here.
To enable efficient testing you also have to trust that your microphones are ready and working when you roll a vehicle into the test chamber – and confident that your data is accurate when you roll it out again. Retesting or rescheduling is a costly option.
Our answer is the 146AE - the measurement microphone set that is so rugged and well protected that it can be trusted as your standard microphone for the broadest range of automotive noise, vibration and harshness (NVH) measurements - all without compromising measurement quality.
The new standard NVH microphone
The 146AE is a rugged free-field microphone set for all acoustic applications where the microphone can be pointed directly at the sound source.
Flexible to meet your many measurement needs
Using different microphones for various measurement points can result in inconsistent data and complex test setups. With the 146AE you can use the same microphone at high temperatures, in high humidity or under dusty conditions (free-field as well as randomincidence). This optimizes efficiency and saves you time setting up and evaluating your entire test setup.
High precision ensures valid data in challenging measurement positions
The consequences of inaccurate or incorrect data can be disastrous, especially, if identified late in your test sequence. The unmatched stability of the 146AE, the unique power-on feature as well as on-line calibration data mean that you can trust the accuracy of data from all your measurement positions.
Rugged design makes it ideal for all NVH test conditions
The 146AE is designed for real-life use. This includes conditions where the microphone is exposed to high temperatures, water and dust as well as daily handling with the risk of vibrations, drops and other kinds of shocks.
The microphone is ideal for the test track as well as the dynamometer and is not affected by condensation or other typical problems related to testing in changing weather conditions or when moving vehicles between different facilities. Whether your challenge is brake noise, powertrain noise, exhaust noise, buzz, squeak and rattle noise, vehicle interior noise, road noise or pass-by noise, the 146AE is the solution.
Low cost of ownership
Its extended lifetime ensures low cost of ownership and improves overall performance.