Dual Level Acoustic Calibrator

The Model 103 and Model 104 dual-level acoustic calibrators provide a reliable 1 kHz reference tone at 94 dB and 114 dB for field calibrating sound level meters and noise dosimeters, ensuring your results comply with occupational noise regulations.

• ✔ Standard 1kHz tone at 94 dB and 114 dB for field calibration
• ✔ Class 1 and Class 2 models available
• ✔ Automatic correction for environmental conditions
• ✔ Fully compliant with IEC 60942:2003
• ✔ Long life battery and auto power-off