Product Description
- Professional, 1 KHz
- Die casting aluminium alloy housing case
- DC 9V batteries x 2 PCs
- Size: round 50mm Dia x 82mm
- Sound Calibrator, 94 dB
- Standard According IEC942, Class 2
- Sound Pressure Level: 94 dB ± 0.75 dB
- Frequency : 1000 Hz ± 2 %
- Total harmonic distortion: ± 2 %
- Suitable Microphone Type : 0.5 inch or 1 inch microphone
