Acoustic Calibration
CIHE calibrates and verifies the performance of sound measuring instruments using best practice metrology methods. Our procedures are designed to maximize the repeatability, reproducibility, and accuracy of your sound measuring instruments.
- Acoustical and electrical calibration of sound measuring instruments and sound calibrators in accordance with the applicable national standards
- Fast and accurate calibration of sound measuring instruments
- Frequency response calibration of microphones using electrostatic or acoustical methods
- Sensitivity calibration of microphones using the insert voltage method ensures a high degree of accuracy
- Sound level meter calibration in accordance with ANSI standards
- Acoustic calibration system is operated by our professional engineering staff
CIHE’s system configuration:
1. Computer
2. G.R.A.S. Electrostatic Power Supply
3. Bruel & Kjaer electrostatic actuators
4. Instek digital oscilloscope
5. HP Voltmeter
6. Krohn Hite Distortion meter
7. Anechoic chamber
8. Thermometer/hygrometer
9. Barometer
10. Stanford Research 360 ultra-low distortion Signal generator
11. Laboratory Microphones
12. Pistonphones
