Acoustic calibrator 94dB(A) class 1
CIR/CR:515

Acoustic calibrator 94dB(A) class 1 The CR:510 series are are high performance acoustic calibrators designed for the calibration of sound level meters CR:515 calibrator is deliverd with a manual, calibration certificate and a battery
Specifications CR:515 : IEC 60942:2003 class 1 94dB +/- 0.4 dB frequency : 1 kHz +/- 1% Microphone size : 1/2" Battery 1 x 9V