This simple noise exposure meter is exactly what you need - no more, no less.
It's the ideal instrument if you are looking for a Sound Level Meter for occupational and industrial noise that can estimate noise exposure over a longer period.
When using the Assessor Models 81A or 82A for making a measurement for industrial noise it couldn't be easier; simply switch the unit on and the instrument starts measuring. To complete the measurement, press the ‘Stop’ button and everything needed for your assessment is displayed on one screen.
The ‘A’ weighted Leq or average noise level is displayed along with the ‘C’ weighted Peak value, which is used for the assessment of impulsive noise sources. Please refer to our Acoustic Glossary for information on these terms.
The Model 81A & 82A integrating sound level meter can be supplied as non-data logging if manual reporting is your preferred method. For those preferring the benefits of computer technology, the instruments can be supplied with the exceptional ‘Assessor Extra’ upgrade, giving the instrument the ability to store measurements and transform data into informative, professional reports.
These models also features a display of the estimated exposure duration. This feature estimates the noise exposure that would be achieved if the measurement was made over a longer period of time displayed in terms of LEX,8. For example, if the noise from an operation was measured for 2 minutes and the LAeq value is 92.6dB(A), the instrument will calculate the LEX,8 value based on different exposure durations.
The Assessor range focuses on one main task, that is compliance with International Industrial Noise Directives and the control and measurement of Workplace Noise. This mindset has produced an extremely effective noise measurement tool for the busy Health & Safety Professional, Industrial Hygienist, Consultant, Manager, Supervisor, Technician or Engineer.
The ‘Analyser’ sound analysis software package is optional with the Models 81A & 82A instruments. The units are supplied as non datalogging with the option of upgrading at a later date. Alternatively the two models can be supplied with the upgrade already fitted.
This exceptional sound analysis software Pulsar Analyser package enables users to download quickly noise measurements to their computer and transform them into informative and professional reports.
The Pulsar Analyser software also has a special database of hearing protectors that allows the user, at the click of a button, to have all calculations done for you automatically. A selection of hearing protection is listed and a report can be compiled.
This software is compatible with Windows 9x/Me/2000/NT/XP and Vista.
Pulsar Assessor noise exposure meter Model 81A or Model 82A comes supplied with the following sound measuring equipment:
The instrument can be supplied as part of a complete noise measurement kit, containing all that is required to carry out a noise survey.
Learn more about acoustic terms by visiting our glossary section.
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Accuracy Class 1 Model 81A,Model 81CA & Model 83 Class 2 Model 82A,Model 82CA & Model 84 Applicable Standards Class 1 IEC 61672-1:2002 Type 1 EN 60651:1994, EN 60804:2000, EN 61260:1995 Class 2 IEC 61672-1:2002 Type 2 EN60651:1994 EN 60804:2000, EN61260:1995 Microphone Class 1 MK:226 Class+ Electret Prepolarised Condenser Class 2 MK:216 Class+ Electret Prepolarised Condenser Measurement Range 57dB(A) to 130dB(A) Class 1 & Class 2 143dB(C) Peak Noise Floor (Typical) 52dB(A) Frequency Weightings Model 81A & Model 82A dB(A) for Leq, dB(C) for Peak Model 81CA & Model 82CA dB(A) & dB(C) for Leq, dB(C) for Peak Model 83 & Model 84 dB(A) for Leq, dB(C) for Peak, dB(Z) for 1:1 Octave Bands
Measurements Model 81A & Model 82A LAeq,t Equivalent Continuous Sound Level dB(A) LCPeak Peak Sound Pressure dB(C) LEP,d (LEX,8) Equivalent Daily Exposure Level dB(A) Exposure Duration Indication (refer to manual for details) Measurement Duration Overload, Under Range Measurement Status Model 81CA & Model 82CA LAeq,t Equivalent Continuous Sound Level dB(A) LCPeak Peak Sound Pressure dB(C) LCeq,t-LAeq,t Mode dB(C) minus dB(A) Measurement Duration Overload, Under Range Measurement Status Model 83 & Model 84 LAeq,t Equivalent Continuous Sound Level dB(A) LCPeak Peak Sound Pressure dB(C) LZeq,t in Octave Band Mode Measurement Duration Overload, Under Range Measurement Status Frequency Bands (Model 83 & 84 Only) 1:1 Octave Band Mode 31.5Hz to 8kHz |
Display Graphical LCD with Quasi-Analogue Bar Graph Selected Measurement Parameter with Level Warnings for Overload, Under Range Battery Level Frequency Weighting Elapsed Measurement Time Measurement Status (refer to manual for details) Dimensions Class 1 Instruments 340mm x 75mm x 25mm Class 2 Instruments 300mm x 75mm x 25mm Weight 450 gms Batteries 2 x AA (LR6) Battery Life Typically > 18 hours Environmental Operating Temperature -10oC to +50oC Storage Temperature -20oC to +60oC Humidity 30 to 90% RH External Connections USB Output Software Pulsar Analyser Download / Analysis / Reporting Software (where appropriate) This software is compatible with Windows 9x/Me/2000/NT/XP and Vista Ordering Codes Sound Level Meter Measurement Kit Model 82A Model 82AK Model 81A Model 81AK Model 82CA Model 82CAK Model 81CA Model 81CAK SU80 Assessor Extra data logging upgrade with Software for Models 82A,81A,82CA & 81CA Model 84 Model 84K Model 83 Model 83K Measurements kits include the Sound Level Meter, Acoustic Calibrator,Windshield, Hard Attache Case, *Software, Download Cable, Batteries, Operating Manuals & Certificates of Calibration Pulsar Analyser Software *The Pulsar Analyser Software is supplied with all versions of the Assessor Sound Level Meters. The Model 83 and Model 84 instruments can be connected to the software to download measurements. The Model 81A, 82A, 81CA and 82CA instruments can be upgraded to add data logging. Please contact Pulsar Instruments Plc or your local representative for more information. |
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