Sound calibrator NC-75 Sound Calibrator The windscreen reduces wind noise

The windscreen reduces wind noise and helps you get accurate measurements

Test report for noise dosimeter ×10

especially used for long-term outdoor noise monitoring

ambient temperature 23℃

Sound calibrator NC-75 Sound Calibrator The windscreen reduces wind noiseCompact and lightweight sound calibrator allows highly reliable and accurate measurement anywhere. Effective coupler sound insulation (30 dB or higher) Permits calibration also in relatively noisy environments. If you would like a quality certificate, please purchase it separately. The products will arrive in 3 4 days. (+10 business days if quality documents are included) How to use Specifications Applicable standards IEC 60942: 2017 class1, ANSI ASA