06. New !! 147AX CCP Rugged Pressure Microphone

For Engine Noise Microphone 专为发动机噪声而设的147AX CCP坚固型压力场麦克风 

发动机噪声 - 147AX CCP麦克风小冊子

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A new paradigm for engine noise testing 

发动机噪声测试的新范例

147AX CCP坚固型压力场麦克风 

Growing customer expectations increasingly push for noise-reduced cars. Therefore, OEMs continuously struggle to identify and reduce noise sources. Also, the increasing pressure for fast prototyping and shorter “time-to-market” calls for improved and more efficient noise, vibration and harshness (NVH) test methods. Generating reliable data is critical in this process, and it requires using the best measurement microphones as well as constantly improving the measurement procedures.

随着客户的要求越来越高, 越来越多的降噪汽车推 出市面。因此,代工生产不断努力识别和减少噪声源。此外,市场步伐越来越快,原型制造的速 度压力越来越大,“推出市面的时间”越来越短, 市场需要更完善且更有效的噪声、振动和粗糙度 (NVH)的测试方法。产生可靠的数据是在NVH测 试过程中最关键的。要达到理想效果,您需要使 用到最佳的测量麦克风并不断地对测量程序作出 改进。这就是为什么GRAS研发出一种针对冷、 热发动机测量进行优化的新型表面麦克风。

GRAS

This is why GRAS has developed a new surface microphone optimized for cold and hot engine measurements. 这就是为什么GRAS研发出一种针对冷、 热发动机测量进行优化的新型表面麦克风。 

 GRAS

With its laboratory precision, extreme ruggedness to match the hot and harsh conditions in an engine bay as well as a novel form factor and mounting system, the 147AX microphone (patent pending) is destined to become the preferred solution for testing facilities around the world.

147AX麦克风具有实验室精度、极端坚固性以匹配发动机舱中的炎热和恶劣条件,以及新颖的外形和安装系统。147AX麦克风注定会成为全球测试设施的首选解决方案 - 结合高度改进的测 试方法,确保轻松和可重复的传递路径分析 (TPA) 测量。GRAS引领了发动机噪声测试的新时代。

GRAS

SPECIFICATION 

Frequency range (频率范围): 3.15 Hz to 20kHz

Dynamic Range (动态范围) : 19dB(A) to 133dB

Sensitivity (灵敏度): 45mV/Pa

Temperature operation (使用温度): -40 to 257 °F

147AX CCP Rugged microphone 坚固型压力场麦克

GRAS

147AX CCP RUGGED PRESSURE MICROPHONE

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