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CR:518 Class 2 114dB Acoustic Calibrator

CR:518 Class 2 114dB Acoustic Calibrator
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CR:518 Class 2 114dB Acoustic Calibrator - 1

CR:518 Class 2 Acoustic Calibrator with H4dB output Overview The CR:518 is a high performance acoustic calibrator designed for the field and laboratory calibration of sound level meters and other noise measurement equipment. The CR:518 is simple to operate and meets the requirements of the latest IEC 60942:2003 standard for Acoustic Calibrators with performance to Class 2. The CR:518 is part of the CR:510 Acoustic Calibrator family which also includes the Type Approved CR:515 (94dB Class 1) and CR:514 (94dB Class 2) instruments. Specifications Applicable standards IEC 60942:2003 Class 2 Sound pressure level (re 20pPa) 114dB ± 0.4dB (CR:518) Frequency 1kHz ± 1% Distortion <2% Reference conditions 23oC, 101.3kPa, 65% RH Microphone size 4” (to IEC 61094-4) Features • IEC 60942:2003 Class 2 • 114dB Sound Pressure Level Output • Suitable for use with 14” microphone capsules • Automatic power switch off with user override giving longer battery life • Lightweight design • Robust case with ergonomic design Battery type 1 x 9v (PP3, 6LR61, 6F22) Dimensions 138mm x 047mm Weight 220 gms with battery Controls Push button start, Automatic switch off with green LED indication User override of automatic switch off CE classification EN 61000-6-3:2007+A1:2011 EN 61000-6-1:2007 sponsoring organisation Calibration adaptor QD:7 for use with 1/4” microphone capsules Cirrus Research plc Acoustic House Bridlington Road Hunmanby North Yorkshire YO14 0PH United Kingdom Quality I Environmental I Management B Management B

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