SIMPLE OPERATION: With
only 3 buttons: 94dB, 114dB and Power On/Off Button. Simply power on the calibrator, select 94dB or 114dB level, and it's ready to go!;
CLEAR DIGITAL DISPLAY: Digital display shows the chosen dB level clearly with Backlight. Avoid making careless mistakes comparing with traditional power switching buttons.;
PORTABLE: Lightweight and small size. Handy sound source for quick and easy calibration of sound level meters and sound measuring systems.; SUITABLE FOR 1/2" and 1" MICROPHONE SIZE 1/2" transducer cap (adaptor) is inserted on the calibrator, simply remove the cap to calibrate sound level meters with 1"
Microphone;
PROFESSIONAL: Conforms to IEC60942 (IEC942) class 1 standard. Solid design provides accurate and reliable performance, suitable for personal, field and laboratory use.