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Deaf Defier Software for the CR:800 and CR:260 Sound Level Meters

software for sound level metersThe Deaf Defier software is supplied free of charge with all CR:800 series and CR:260+ series sound level meters. It runs on a PC under MS Windows 95 or later and provides the following features:

For instruments with 1/1 or 1/3 Octave Band Filters fitted:

 

deaf defier sound level meter softwareBroadband Measurements (Sound Level Meters: All Models)

Broadband Measurements are displayed in both a tabular and graphical format. The numerical values for the measurement are listed down the left side and include the time, date, duration and measurement range along with the Time and Frequency Weightings used for each parameter.

The Time History graph is shown on the right side. A zoom function is provided to allow more detail to be shown on the graph.

 

Frequency Measurements (Sound Level Meters: CR:821, CR:822, CR:831, CR:832, CR:263A+, CR:264A+)

1/3 octave band spectrumFor Frequency Measurements made using either the 1/1 or 1/3 Octave Band Filters, the information is displayed as a bar graph, with the numerical data shown on the left. Comments and notes can also be entered for future reference.

Individual Frequency bands can be highlighted using the cursor. A and C Frequency Weightings can be applied by the software.

Deaf Defier also calculates and display NR and NC values and curves from 1/1 Octave Band Data.

 

Calculation of Exposure (Sound Level Meters: All CR:800 and CR:260+ Models)

The user can enter a different exposure time from the measurement duration, allowing the software to calculate the overall noise exposure in terms of the LEP,d according to the EU Physical Agents (Noise) Directive as well as many other occupational noise exposure regulations.

 

Hearing Protector Selection (Sound Level Meters: CR:821, CR:822, CR:831, CR:832, CR:263A+, CR:264A+)

Where 1/1 Octave Band Measurements are available, the Deaf Defier software can calculate the assumed protection from a range of Hearing Protector products from a database. The results can be filtered to remove, for example, protectors that do not reduce the noise level at the ear to below 85dB(A).

The database of hearing protectors can also be updated with new information as and when required.

 

Exporting Data (Sound Level Meter: All CR:800 and CR:260+ Models)

The Deaf Defier software can export data in a wide range of formats. The supported formats are:

In addition to the basic file format options, the data can be formatted in a number of ways depending upon the export options, including where appropriate fonts, colours, headers and footers, dates and file extensions. For full details please refer to the Help file provided with the Deaf Defier3 software.

 

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