Gracey Hire Logo
Gracey & Associates Hire and Calibration

Bruel & Kjaer 2250 Enhanced Logging Option - BZ 7225


The B&K 2250 is a multi-function meter, for other options and accessories click a link

2250 sound level meter B&K 2250 - Home Page
B&K 2250 - Summary Table
B&K 2250 - Specifications

Options and software included
BZ 5503 - PC - Utility Software
BZ 7222 - Sound Analysis Software
BZ 7223 - Frequency Analysis Software
BZ 7224 - Logging Software
BZ 7226 - Sound Recording Software




Other options available
BZ 7225 - Enhanced Logging Software - this page
BZ 7227 - Reverberation Time Software
BZ 7228 - Sound Insulation Software
BZ 7230 - FFT Measurement Software
BZ 7231 - Tonal Assessment Software


Accessories etc.,
Environmental and Factory Noise Kits and other popular accessories

B&K 2250 with BZ 7225 Enhanced Logging Software option £ 31 a day *

On this page we describe the main features of the BZ 7225 Enhanced Logging option.

With the optional Enhanced Logging Software enabled, the 2250 is optimised for long-term monitoring. It has the functionality of both logging and Frequency Analysis software, but in addition it will

Enhanced Logging Software   Measure continuously, limited only by data memory and power supply
  Reboot automatically and resume operation in case of power failure
  Save data in manageable post ions (every 24 hours) selectable for download.
  Make periodic reports, i.e.; log all measurement data at a preset report period
  Measure Ldn, Lden' Lday, Levening and Lnight.

A periodic report is similar to the Measurement Total of the Logging software, except it is made periodically. It is useful for analysing sound levels over days or weeks. If you combine periodic reports with level triggered event markers and Sound Recording 9included0 you have a overview as well as a focus on essential details.

Ldn and Lden are 24 hour A-weighted equivalent levels specified by the European Union.

Ldn applies a 10 dB penalty for night-time levels, while Lden in addition has a 5 dB penalty for evening levels.

A typical setup for 24 hours of unattended monitoring might be;   Continuous measurement
  Hourly periodic reports
  Level triggered markers for LAF = 60 dBA
  Sound Recording of events - refer to the Sound Recording option
  Logging of other parameters as required - refer to the Logging Software

The graphic shows part of a report with 10 min resolution.

B&K 2250 Enhanced Logging Specifications.

* Our standard hire charges are based on a 4-day minimum period, details other options.

Gracey & Associates   01933 624212   hire@gracey.com
British Standards accreditation for noise and vibration instrument hire and calibration
Home l Manufacturers l Applications l Hire Notes + FAQ l Site Search l Standards l Glossary

B&K Help Line - 01763 255780