This high performance sound meter measures real-time noise frequency. Class 1 and Class 2 available.
A powerful instrument that measures 1:1 and 1:3 octave bands at the same time and is compliant with IEC 61672 and BS 4142 for industrial and environmental noise monitoring.
The Model 33 Noise Frequency Real-Time Analyser with 1/1 & 1/3 Octave Band Filters simultaneously measures all parameters with all Frequency and Time Weightings, giving you the confidence you will always have the correct data for analysis. This high-performance meter offers exceptional acoustic performance but it is still easy to use; taking measurements is as simple as pressing the 'record' and 'stop' buttons.
Available as a Class 1 (Model 33-1) or a Class 2 (Model 33-2) meter.
The Real Time Analyser allows you to measure all Octave Bands at the same time, immediately capturing all of the data in each band and not missing any important information. This is very practical for reliable, accurate and rapid capture of variable noise levels to optimise environmental monitoring surveys or provide an accurate prescription of hearing protection in industrial environments.
For environmental noise monitoring under BS 4142:2014, the large memory, programmable auto repeat function and statistical LN values, combined with the optional addition of an outdoor kit, ensures the instrument is ideal for use as either a short-term or longer-term semi-permanent environmental monitor. The ability to take measurements every 125ms allows the user to conduct detailed analysis for engineering and environmental noise. It is also available with remote management so you can see the real-time noise Frequency measurements at your computer whilst taking measurements elsewhere.
The wide dynamic span of over 110dB in the single measurement range ensures you never make invalid measurements that ‘Overload’ or ‘Under range’ which is especially important during 1:1 or 1:3 Octave Band Analysis. An extensions module is available to enhance both the low and high frequency limits of the 1:3 Octave Band Filters so that frequencies as low as 6.5Hz up to 20kHz can be measured.
The two outstanding powerful software packages, Analyser and Acoustic Toolbox software allow you to download, analyse in depth and present your results in a variety of formats.
With exceptional acoustic performance and compliance to the latest worldwide guidelines the Model 33 is perfect for the following applications:
The Model 33 & 33-2 instruments are supplied with the powerful Acoustic Toolbox software that allows stored measurements to be downloaded to a PC for detailed analysis. You can then create custom designed templates to present results in Excel or Word.
The 'Acoustic Toolbox' Frequency Analysis Software facilitates the Graphical ‘Live Display’ of up to three parameters if the Model 33 is connected to your PC. Post-processing allows detailed 3-Dimensional Frequency Analysis Modelling to be performed using downloaded measurement data.
The outstanding ‘Analyser’ Frequency Analysis Software, also supplied as standard, allows stored measurements to be downloaded to a PC for reporting and further analysis.
The instruments can store data in the internal memory and allow this information to be downloaded and reports subsequently created using the exceptional Pulsar ‘Analyser’ download & analysis reporting software.
The software also has a special database of hearing protectors that allows the user, at the click of a button, to have all calculations done automatically so that you do not have to manually measure the noise level. A selection of hearing protectors is listed and a report can be compiled.
The Model 33 or Model 33-2 Real-Time analyser & sound level meter comes supplied with the following Sound Measurement Equipment:
The instrument is most often supplied as part of a complete sound measurement equipment kit, containing all that is required to carry out a noise survey.
To request a quotation for the optional accessories to this product or find out more information, please contact us.
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SpecificationsClass1 Model 33 Class 2 Model 33-2 Applicable Standards Type 1: EN 60651:1994,EN 60804:2000,EN 61260:1995, IEC 61672-1:2002 Class 1 ANSI S1.4:1983, ANSI S1.43:1997, ANSI S1.11:1986 Type 2: EN 60651:1994 EN 60804:2000, EN 61260:1995,IEC 61672- 1:2002 Class 2 ANSI S1.4:1983, ANSI S1.43:1997, ANSI S1.11:1986 Microphone Class 1 MK:224 Class+ Electret Prepolarised Condenser Class 2 MK:216 Class+ Electret Prepolarised Condenser Measurement Range 22dB(A) to 137dB(A), 23dB(C) to 137dB(C), 27dB(Z) to 137dB(Z), Peak to 140dB(C) or 168dB(C) as indication Noise Floor (Typical) 17dB(A), 17dB(C), 22dB(Z) Frequency Weightings dB(A), dB(C) and dB(Z) to IEC 60651 Type 1 Time Weightings F, S & I to Class 1 Tolerances |
Memory 64Mb Display Backlit Graphical LCD Dimensions 341mm x 82mm x 19mm Weight 550g with batteries, 500g without batteries Batteries 2 x 1.5V size AA Battery Life Sound Level Meter Mode 15 Hours 1:1 Octave Band Mode 13 Hours 1:3 Octave Band Mode 11.5 Hours
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Measurements
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EnvironmentalOperating Temperature -10°C to +50°C Storage without Batteries Temperature -20°C to +60°C Humidity 30 to 90% RH External Connections Model 33 & 33-2 RS232 Output and USB, External Power, AC Output Software Pulsar ‘Acoustic Toolbox’ Download & Analysis software supplied as standard with all instruments
Ordering CodesSound Level Meter Measurement Kit Model 33 Model 33K Model 33-2 Model 33-2K Measurement kits include the Sound Level Meter, Model 105 or Model 106 Acoustic Calibrator, WS91 Windshield, K2 Attache Case, CP2 Carrying Pouch, Wrist Strap, Software, Download Cable, Batteries, Operating Manuals and Certificates of Calibration. Optional Accessories EFM33 Extended Frequency Module RT33 Reverberation Time Module WK1 Short Term Outdoor Kit WK2 Long Term Outdoor Kit |
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