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B&K 2250 Sound and Vibration Analyser Home Page



The hand-held B&K 2250 Acoustic Analyser is designed for all sound and vibration measurements, analysis and recording applications and is available for hire now.

For details on the features, options and accessories click a link

speech interference B&K 2250 - Home Page - this 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
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
For vibration measurements see the 2250 Sound and Vibration Analyzer with or without the FFT option


 B&K 2250 :  with the BZ 7222, BZ 7223, BZ 7224 and BZ 7226 software built-in £ 24 a day * 

Uses
  Environmental noise assessment and monitoring
  Occupational noise - exposure
  Selection of hearing protection
  Noise reduction
  Product quality control
  Class 1 sound measurements to the latest standards
  Real-time analysis in 1/1 and 1/3 octave bands
  Analysis of time histories - broadband and spectra logging
  Measurement annotation using text and/or voice
  Documentation of measurements - voice and recorded sound

Features
  Large, high-resolution, touch sensitive colour screen
  Data storage on plug-in memory cards
  Standard USB computer interface
  Dynamic range in excess of 120 dB
  3 Hz - 20 kHz broadband linear frequency range
  Real-time frequency analysis in 1/1 or 1/3 octave bands
  Data can be logged to obtain a time history for later analysis
  Sound recording of measured signal during measurements
  Personal measurement, display and job setup
  PC software included for setup, archiving, export and reporting

v2 2008 - added features Occupational Health - exposure, dose, Apeak, Lep,d etc.,
v3 2009 - added features NR and NC Curves, Loudness level, Speech Interference etc.,

All our B&K 2250 meters include the BZ 5503 PC Utility Software, calibration certificates for the meter, microphone and preamplifier.

For measurements up to 165 dB add a B&K 4135 or GRAS 40BF 1/4" microphone.

For vibration measurements see the 2250 Sound and Vibration Analyzer with or without the FFT option



Summary Table for the B&K 2250 acoustic analyser software modules.
Summary table for the B&K 2250 acoustic analyser modules.

The BZ 7226 sound recording option is also included with all our meters
BZ 7222
SLM
Software
BZ 7223
Frequency
analysis
BZ 7224
Logging
Software
BZ 7225
Enhanced
Logging
      included with all our meters   optional
120+ dB Dynamic Range - no need for range switching
Sound levels up to 140 dB with supplied Microphone Type 4189   **
IEC/ANSI SLM standards Type/Class 1
Frequency weightings A, C, Z (linear) and time weightings F, S, I
Free-field/diffuse-field correction
Pre-set time start/stop
Back-erase - last 5 seconds of measurement data    
Context-sensitive help
Voice and text annotation of measurements
Display colour-schemes optimised for day, night, indoor and outdoor use
Personal log-in - protects your personal set-ups from other users
Broadband statistics based on LAeq, LAF or LAS
Broadband frequency range: 3 Hz - 20 kHz
Transfer of data files while measuring (USB or modem)
Recording of measured signal during measurement
1/1-octave spectra (centre frequencies 8 Hz to 16 kHz)  
1/3-octave spectra (centre frequencies 6.3 Hz to 20 kHz  
Spectral statistics based on LAF or LAS  
Periodic Reports of all measured data      
Report Period 1 min to 24 h      
Ldn, Lden, Lday, Levening, Lnight      
Logging of all or selected broadband parameters and spectra    
Logging interval 1 s to 24 h    
LAeq and/or LAF logged every 100 ms    
Profile display    
Profile overview of entire measurement    
Continuous measurement      
Markers on profile display    
Recording of sound during noise events    

All our 2250 acoustic analysers include the features in the first three columns. We have also included the Enhanced Logging Software option to demonstrate the many useful features it offers. If you require this or any other option - just order it.

**   for measurements up to 165 dB add a B&K 4135 or GRAS 40BF 1/4" microphone.


Please order any extra items from the lists below and only pay for what you need. However we do recommend the B&K 7815 Explorer - Data Viewing PC Software or the Type 7820 Evaluator Environmental Noise software to 'handle' the large amounts of data downloaded using the free BZ 5503 PC Utility delivered with the 2250 meter.

2250 Other Options available
BZ 7225 - Enhanced Logging Software
BZ 7227 - Reverberation Time Analyzer Software
BZ 7230 - FFT Measurement Software
BZ 7231 - Tonal Assessment Software

Manufacturers' Specifications

Sound level meters and particularly microphones are very susceptible to damp, so should not be used outside unless protected - see our environmental kits.


Environmental Noise Kits.
 B&K 2250Environmental Noise Kit ** £ 34 a day * 
B&K 2250 Acoustic Analyzer - detailed above
B&K UA 1404 Outdoor Microphone Kit
GA 91E1-00 Outdoor Meter Enclosure with rechargeable batteries etc.,

* * For 'secure' monitoring inside properties see the Matron III system


Factory Noise Kits.
 B&K 2250Factory Noise Kit £   29 a day * 
B&K 2250 Sound Analyzer - detailed above
B&K 4231Sound Calibrator - class 1
GA 80G1-00Tripod - adjustable 0.4 m to 1.45 m high, maximum load 5 kg


Sound and Vibration Kits.
 B&K 2250General Purpose Sound and Vibration Kit £   30 a day * 
B&K 2250 Sound and Vibration Analyzer - with 1/3 octave analysis
B&K 4370Accelerometer Set - or a Metra Ks76 IEPE accelerometer set unless you select an alternative from the same list.

 B&K 2250FFT - Narrow Band Sound and Vibration Kit £   37 a day * 
B&K 2250 Sound and Vibration Analyzer - with 1/3 octave + FFT analysis
B&K 4370Accelerometer Set - or a Metra Ks76 ICP accelerometer set unless you select an alternative from the same list.


Popular Accessories.
B&K 4231Acoustic Calibrator - class 1
B&K 7815PC Software - Explorer
B&K 7820PC Software - Evaluator
B&K AO 0441Cable - microphone extension - 10-pin Lemo, 3 m long
B&K UA 1404Outdoor Microphone Kit
GA 51M2-C2DC Lead - 2-pin male to car battery clips
GA 80G1-00Meter stand 0.4 - 1.45 m high
GA 91E1-00Outdoor Meter Enclosure with rechargeable batteries etc.,
Davis Weather Station
Kestrel 2000Wind and Temperature Indicator

We also hire Windows XP laptops loaded with download and other useful software.

B&K also have a 2250 memory spreadsheet. To get to a copy click here

For the full range and more details see the Bruel & Kjaer lists

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

Gracey & Associates   01933 624212   hire@gracey.com
British Standards accreditation for noise and vibration instrument hire and calibration
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B&K Help Line - 01763 255780