The CEL-621 further develops the success of the CEL-620 intended for the occupational user. Statictical parameters (Ln%) are now included in order to perform environmental noise assessments. Five Ln% values are simultaneously measured and the percentage values can be adjusted to particular requirements.
A choice of frequency analysis in Octave (16Hz - 16kHz) or 1/3 Octave (12.5Hz -20kHz) is available. Analysis is performed in real-time using a single measurement range to 140dB, ensuring no range adjustments are required for either broadband or frequency based measurements.
The CEL-621’s highly intuitive user interface is colour coded to make noise measurements easy, making it the ideal tool for hand-held environmental noise measurements. The CEL-621 has a USB interface, where data is stored in a Microsoft Excel ready format. Alternatively data can be downloaded using bespoke software.
Key features
• Compact, rugged design
• Simple operation
• Single large measurement range
• Large memory
• High resolution colour display
• Real-time 1/3 octave band analysis
• Measures 5x Ln% values
• Simultaneous measurement of all workplace & environmental noise parameters
• Pre-defined and user configurations available
• Automatic calibration function
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