Product Description
* Multi Frequency
* Multi level output
* Standard 94 dB/1 KHz
* Sound calibrator, use to calibrate Sound Level Meter
* Sound Level Meter ” precisely.
Frequency: 125/250/500/1 KHz (Red LED indicator) ±2%
Sound Pressure: 94/104/114 dB (Red LED indicator) ±0.5 dB.
Click (Download Brochure) above for more detail.