Bruel & Kjaer 2012 电声测试系统 音频分析仪 二手仪器

音频分析仪

Bruel & Kjaer 2012音频分析仪用于传感器测量和系统分析。具有彩色显示屏幕、内置磁盘驱动器和IEEE-488和RS-232-C接口，B&K 2012也有三种测量模式和一个自动序列设备。时间选择响应模式能够快速、准确地测量传感器在普通房间内的自由场响应，达到20次谐波。稳态响应模式可用于测量谐波、差频和互调失真。2012年还整合了一个1600线单通道FFT用于光谱测量。2012年有大量的后处理能力:开窗、块算术、增加极点和零、平方和平方根、***值和编辑响应数据。应用包括扬声器、电话、麦克风和其他电声和振动传感器的开发和质量控制测试。

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Audio Analyzer

The Bruel & Kjaer 2012 Audio Analyzer caters for transducer measurements and system analysis. Featuring a color display screen, built-in disk drive, and IEEE-488 and RS-232-C interfaces, the B&K 2012 also has three measurement modes and an Auto Sequence facility. The Time Selective Resp***e mode enables extremely fast, accurate, swept sine measurements of the free-field resp***e of a transducer in an ordinary room up to the 20th harmonic. The Steady State Resp***e mode enables stepped sine measurements of Harmonic, Difference Frequency and Intermodulation distortion. The 2012 also incorporates a 1600 line single-channel FFT for spectrum measurements. The 2012 has numerous post-processing capabilities: windowing, block arithmetic, addition of poles and zeros, square and square root, absolute value, and editing of resp***e data. Applicati*** include development and quality control testing of loudspeakers, telephones, microphones and other electroacoustic and vibration transducers.