+ All Categories
Home > Documents > 2250 FFT Narrowband Zooming Frequency Analyzer Application BZ7230 Getting the details.

2250 FFT Narrowband Zooming Frequency Analyzer Application BZ7230 Getting the details.

Date post: 19-Dec-2015
Category:
View: 231 times
Download: 0 times
Share this document with a friend
Popular Tags:
12
2250 FFT Narrowband Zooming Frequency Analyzer Application BZ7230 Getting the details.
Transcript

2250 FFT Narrowband Zooming Frequency Analyzer Application BZ7230

Getting the details.

www.bksv.com 2

FFT on the Type 2250: Now and Why

To provide a narrowband solution in a timely release. The Type 2250’s High Resolution Touch Screen is ideally suited to

FFT Analysis techniques. Powerful DSP brings tremendous analysis capability

To replace the 2260 FFT application: BZ7208 a moderately successful application. Late/old tech A bit peculiar in some ways (e.g.: frequency spans and line spacing)

To bring vibration measurement capability to the 2250. Real units, including Velocity and Displacement

To give customers a tool for frequency based source identification Environmental, Building Acoustics & Product Noise & Vibration

Applications

www.bksv.com 3

2250 FFT offers incredible performance

Up to 6400 Line FFT! Which means…

You cover the complete 0-20KHz audible frequency span with high frequency resolution ~ 3 Hz

Providing the real benefit of simplifying the measurement process.

AND… coupled with zoom analysis you an unprecedented resolution in a hand held analyzer – 1/64 Hz (0.015625Hz)

Providing the real benefit of seeing the details like never before.

You can select from 100 to 6400 lines of analysis in a binary sequence (100, 200, 400, 800, 1600, 3200, 6400)

Because there are lots of times you don’t need all that data!

The Type 2250 FFT lets you pick the transform size to match the job!

www.bksv.com 4

Note: 2KHz Span 1600 Line FFT with expanded display

Zooming has never been more fun!

Touch and drag, select zoom and go!– The Type 2250 will automatically select the next wider frequency span.

– Un-zoom by clicking the X axis option

www.bksv.com 5

Tools to Help you with Frequency Analysis

A-weighting of Spectrum

www.bksv.com 6

Auto-peak finder

Corrected Frequency

Compare with Reference

www.bksv.com 7

Harmonic Distortion:Loudspeaker Evaluation

Incredible

Dynamic

Range

Limit Level Tolerance

Harmonic Cursor

Great for vibration, too!

THD Calculation

www.bksv.com 8

Type 2250 FFT gives you only good vibrations

Finally, an easy to use vibration meter. – The BZ7230 application gives you vibration measurement capability to

any Type 2250 (just add an accelerometer) and display results as Acceleration, Velocity or Displacement – in SI or US/UK units

Total Value, too

www.bksv.com 9

Other things you should know…

1-2-5 frequency span sequence – industry standard.

Don’t forget the Sound Recording Option

RPM can be measured as a parameter – Use the Trigger input – full function tacho setup

www.bksv.com 10

Product Information

Release Date: 20 July 2007 (Siebel –24 July)

Products:– BZ-7230 2250 FFT Narrowband Zooming Frequency Analyzer Application

– 2250-H-200 Type 2250 FFT Narrowband Zooming Frequency Analyzer with Application BZ7222 Sound Level Meter and BZ7230

– 2250-H-300 Type 2250 FFT Narrowband Zooming Frequency Analyzer with Application BZ-7222, BZ7223 & BZ7226 [gratis].

www.bksv.com 11

BZ5503 Utility Program

Preview, Search &

Sort Measurements

Open and work with

measurements

www.bksv.com 12

Do More with BZ5503

Export data to other useful programs


Recommended