Detail SOUND LEVEL CALIBRATOR
By many regulations, sound level meters need to verify their accuracy before and after measurements. Our sound calibrator series are designed to fulfill this customer needs. These calibrators provide different sound level at different frequencies to fit different regulations and they are perfect for periodical check on their sound level meters.
Features:
- 94dB sound calibratos at 125Hz and 250Hz
- Accurate and Simple to Use
- Fits 1 inch and 1/ 2 inch Microphones
- Low battery indicator
- IEC 60942( 2003) Class 2, Ans1.40-1984
Specification Technical
Output Sound Pressure Levels:
114dB and 94dB re 20uPa under reference Conditions
Output Frequency: 125Hz ± 2% and 250Hz ± 2%
Total Harmonic Distortion: 4%
Reference Condition: < 4%
Temperature: 23° C( 73° F)
Static press: 103hpa
Relative humidity 50%
Accuracy of sound pressure level:
Understated reference environment conditions ± 0.5dB
Battery test:
Operate: Green LED indicator
Low battery: Red LED indicator
Battery: 9V battery
Dimensions: 113mm x 63mm x 44 mm
Weight: Approx.170g
Standard Accessories: Battery, operation manual, carring case, 1/ 2 inch Micrphone adapter.
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