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Bruel and Kjaer 2012 by ValueTronics International, Inc.
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Product Description
The Bruel & Kjaer 2012 Audio Analyzer is a powerful instrument for transducer measurements and system analysis. It features a colour screen, built-in 31/22 floppy disk drive, IEEE-488 and RS- 232-C interfaces, three measurement modes and an Auto Sequence facility. The Time Selective Response mode enables extremely fast, accurate, swept sine measurements of the free-field response of a transducer in an ordinary room up to the 20th harmonic. The Steady State Response 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 Bruel & Kjaer 2012 has numerous post-processing capabilities: windowing, block arithmetic, addition of poles and zeros, square and square root, absolute value, and editing of response data. Applications include development and quality control testing of loudspeakers, telephones, microphones and other electroacoustic and vibration transducers.
Features of the Bruel & Kjaer 2012 Audio Analyzer include:
Transducer workstation combining the most advanced sine sweep and FFT techniques
12" high-resolution colour monitor displays up to 36 curves simultaneously
Frequency range: 1 Hz to 40 kHz
Distortion and noise: <¡§C80 dB re full scale input
Fast time selective measurement of complex frequency and impulse response
Steady-state response measurements as a function of swept frequency or level
Automated measurements of individual Harmonic, Intermodulation and Difference Frequency distortion components and total RMS
1600 line FFT spectrum
User-definable Auto Sequences
Extensive post-processing facilities: +, ¡§C, x, /, 1/x, x2, vx, |x|, poles, zeros, windowing, editing, smoothing
On-screen help in English, French or German
Preamplifier (microphone) and balanced or singleended direct inputs
Two separate built-in sine generators m Built-in 3.5" 1.44Mbyte, PC/MS-DOS compatible floppy disk drive for storage of data, setups, and Auto Sequences and simple loading of complete applications
Screen copy facility for plotters and printers, both colour and monochrome, direct or via disk
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