Product description
Digital display shows the chosen dB level clearly with Backlight. Avoid making careless mistakes comparing with traditional power switching buttons.
Lightweight and small size. Handy sound source for quick and easy calibration of sound level meters and sound measuring systems.
Conforms to IEC60942 (IEC942) class 1 standard. Solid design provides accurate and reliable performance, suitable for personal, field and laboratory use.
ND9B Class I Sound meter calibrator for maintaining the accuracy of a sound level meter.
Sound meters measure sound pressure levels both to check acoustic fidelity and to verify compliance with noise pollution regulations in health and safety codes. The meters are used in a range of environments, including homes, schools, airports, automotive and machine shops, concert halls, recording studios, and hospital.