Gracey & Associates UK Hire
B&K 2238 Sound Level Meter
| B&K 2238E Mediator - Sound Level Meter - Class 1 | £ 20 a day * |
The Bruel & Kjaer 2238 Mediator is the modern interpretation of the classic sound level meter, providing, high precision measurements.
The application software enables dedicated solutions for environmental, occupational and industrial applications - all in one instrument. The hardware includes two independent frequency weighted detectors, for simultaneous RMS/Peak measurements or two RMS detectors in parallel. At the time other parameters, using Fast, Slow and Impulse time constants may be measured and stored in the large memory.
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Uses ♦ Environmental Noise - Assessment - Monitoring - Complaints ♦ Occupational noise exposure ♦ Selection of hearing protectors ♦ Noise reduction ♦ Product quality control ♦ General purpose Class 1 sound measurements Features ♦ To see the extensive list of features, click this link |
Our 2238 sound level meters include all the available application software, detailed below
BZ 7126 Basic - included
This software enables the precision integrating sound level meter with simultaneous RMS and Peak measurements ideal for noise measurements in the workplace and for level checks in any application ... more details
BZ 7125 Enhanced - included
Enhanced Sound Level Meter Software BZ 7125 adds statistics, back erase and periodic reports, plus the choice between independent frequency weighted RMS or Peak measurements. This is especially valuable for assessments of environmental noise ... more details
BZ 7124 Logging - included
Logging Sound Level Meter Software BZ 7124 allows free selection of up to 12 parameters to log intervals from 1 second to 1 hour. Alternatively you can log the Leq plus two external values at 100 ms intervals. This allows time histories for use in both environmental noise applications as well as workplace noise ... more details
BZ 7123 Frequency Analysis - included
Frequency Analysis Software BZ 7123 provides automatic scans of the 1/1-octave and 1/3-octave filter bands. Scan times may be selected for optimum accuracy, based on the actual filter bandwidths as well as the option of averaging up to 99 spectra ... more details
All four 2238 Mediator software packages are installed in the meters hired from Gracey & Associates. So choose the one to suit your application and start measuring. If your application changes, just switch to a different software package - there is no need to load it into the instrument since it is already in the resident memory
To check the 2238 does what you want - see the Summary Table or the Manufacturer's Specifications
Delivered with a 4188 microphone and windshield in a carrying case, together with calibration certificates for the meter, microphone and preamplifier. Please order any additional items required from the lists below.
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 2238 | Environmental Noise Kit * * | £ 30 a day * |
| B&K 2238E | Mediator - Sound Level Meter - Class 1 |
| B&K UA 1404 | Outdoor Microphone Kit |
| GA 91E1-00 | Outdoor Meter Enclosure with rechargeable batteries etc., |
A B&K 4231 calibrator is highly recommended if you don't already have one - £ 3.
* * For 'secure' monitoring inside properties see the Matron II system
Factory Noise Kits.
| B&K 2238 | Factory Noise Kit - includes | £ 25 a day * |
| B&K 2238E | Mediator - Sound Level Meter - Class 1 |
| B&K 4231 | Sound Calibrator - class 1 |
| GA 80G1-00 | Tripod - adjustable 0.4 m to 1.45 m high, maximum load 5 kg |
Popular Accessories.
| B&K 4231 | Acoustic Calibrator - class 1 |
| B&K 7815 | PC Software - Explorer |
| B&K 7820 | PC Software - Evaluator |
| B&K AO 0403 | Cable - 2236, 2238 and 2537 AC output to BNC |
| B&K AO 0560-D-030 | Cable - preamplifier extension for 2236 and 2238 meters, 3 m |
| B&K AO 0560-D-100 | Cable - preamplifier extension for 2236 and 2238 meters, 10 m |
| B&K UA 1404 | Outdoor Microphone Kit |
| B&K VP 7670 | BK Link for Windows - download software |
| GA 51M2-C2 | DC Lead - 2-pin male to car battery clips |
| GA 80G1-00 | Meter stand 0.4 - 1.45 m high |
| GA 91E1-00 | Outdoor Meter Enclosure with rechargeable batteries etc., |
| Kestrel 2000 | Pocket Weather Meter |
We also hire Windows XP laptops loaded with the above software.
For the full range and more details see the Bruel & Kjaer lists or click on a link below.
* Our standard hire charges are based on a 4-day minimum period - details and other options.
- Gracey & Associates 01933 624212
- BSI accreditation for instrument hire and calibration
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B&K Help Line - 01438 739 000