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Sound and Vibration Instrument Hire and Calibration

B&K 2250 BZ 7224 Logging Software Specifications

To see the specifications for the various options available, click a link

Bruel & Kjaer Sound Level Meter
BZ 7222 : Sound Analysis Software
BZ 7223 : Frequency Analysis Software
BZ 7224 : Logging Software
BZ 7225 : Enhanced Logging Option
BZ 7226 : Sound Recording Software
BZ 7227 : Reverberation Time Option
BZ 7228 : Sound Insulation Option
BZ 7230 : FFT Analysis Option
BZ 7231 : Tone Assessment Option
B&K 2250 : Home Page
B&K 2250 : Specifications
B&K 2250 : Detailed Image
Bruel & Kjaer 2250 : Logging Software - BZ 7224 included


Logging: Measurement data logged at pre-set intervals into files on external SD- or CF-cards
Logging period: from 1 s to 24 hours with 1 s resolution
Fast Logging: LAF or LAeq can be logged every 100 ms, irrespective of logging interval
Broadband Data Stored at each Logging Interval: All, or up to 10 selectable broadband data
Broadband Statistics Stored at each Logging Interval: full distribution or non
Spectrum Data Stored at each Logging Interval: all or up to 3 selectable spectra
Spectral Statistics Stored at each Logging Interval: Full distribution, or none
Logging Time: from 1 second to 31 days (or unlimited) with 1 s resolution
Measurement Total: for the logging time, in parallel with logging: All broadband data, statistics and spectra


One data exclusion marker and four user-definable markers for online marking of sound categories heard during the measurement. Events can be set manually


Markers can be set when broadband level is above or below a specified level


On-line annotations with spoken comments or written notes

CIC - Charge Injection Calibration

Injects an internally generated electrical signal in parallel with the microphone diaphragm. A manual CIC can be performed whenever there is no measurement in progress..
An automatic CIC can be performed at the start and end of a logging measurement.

Measurement Displays

Profile: Graphical display of selectable measurement data versus time
Y-axis: Range: 5, 10, 20, 40, 60, 80, 100, 120, 140 or 160 dB. Auto zoom or auto scale available
X-axis: Scroll facilities
Cursor: Readout of measurement data at selected time
E&OE - specifications subject to change without notice.
* Our standard hire charges are based on a 4-day minimum period, details other options.

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