PTB Approved Class 1L Acoustic Calibrator
The CR511F is a Class 1L Acoustic Calibrator and is suitable
for checking the calibration of sound level meters, noise
dosemeters and other noise monitoring equipment. It has approval
for use with 1/2" microphone capsules.
- IEC 60942:1988 to Class 1L with PTB Approval
- Sound Pressure Level 94 dB
- Frequency 1 kHz
- For use with 1/2" microphones
- Low power, battery operated
The order code CR511F includes:
- Class 1L Acoustic Calibrator
- Battery
- User Manual
- Calibration Certificate
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