B&K 2250 Light Manual do Utilizador descarregar pdf (Página 122)

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Hand-held Analyzer Types 2250 and 2270 – User Manual

2) Tap the Main Menu icon and select Setup from the list of options. Set the Broadband

and Spectrum parameter to A, B, C or Z, as required. (A/B-weighting is determined by

setting the parameter in Setup > Frequency Settings > Broadband (excl. peak).

Set the Bandwidth parameter to 1/1-octave or 1/3-octave before making the measurement.

To exit the screen, tap the icon.

Fig.10.1

Setting the frequency

weighting and bandwidth

parameters

Under the Signal Recording parameters, select the settings for recording the signal while

making the measurement. See Chapter 13 for more information.

Under the Tone Assessment parameters, select the settings for Tone Assessment. See Chapter

15 for more information.

10.2 Controlling the Measurement

The measurement is controlled in the same way you would control a normal Sound Level

Meter measurement, using Start/Pause , Continue , Back-erase and Reset

pushbuttons, see Chapter 3 for more details.

The measurement can control a generator connected to the Output socket on the connector

panel (see Fig.2.2 or Fig.2.3). Enable the generator by setting the Source parameter to

Generator in Setup > Output Socket Signal, then set up the generator settings in Setup >

Generator. The generator will be controlled using Escape Time and Build-up Time, as

described in Fig.14.3.

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B&K 2250 Light Manual do Utilizador Página 122