- Detection - Measurement
- Electrical Measurements
- Sound level calibrator
- Hottinger Brüel & Kjær A/S
Sound level calibration system 9719for pressure sensorsdigital
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Characteristics
- Physical quantity
- sound level
- Applications
- for pressure sensors
- Options
- digital
Description
Product overview
High-pressure calibration system designed for level linearity and harmonic distortion testing of measurement microphones and pressure sensors.
Applications
Key features
Technical specifications
Manufacturer
High-pressure calibration system designed for level linearity and harmonic distortion testing of measurement microphones and pressure sensors.
Applications
- Calibration of measurement microphones for level linearity
- Evaluation of harmonic distortion of microphones
- Calibration and testing of pressure sensors in high-pressure environments
- Verification of sound level meters and acoustic transducers at medium-to-high SPL
Key features
- High-pressure measurement chamber capable of very high sound pressure levels (up to 171 dB rms)
- Comparison method using a high-pressure monitor microphone (IEC 61094-5)
- Low-distortion sound source: ≤ 0.5% distortion at 171 dB rms
- Automated stepwise level increase with data recording for rms, negative/positive peaks and distortion
- Fast, automated measurement routines with certificate printing and data export to Excel
Technical specifications
- Model: Type 9719
- Brand: HBK
- Product type: High-pressure microphone calibration system
- Calibration purpose: Level linearity and harmonic distortion testing
- Targets: Measurement microphones and pressure sensors
- Calibration range: 94–171 dB rms (14 µBar to 0.1 Bar peak) @ 500 Hz
- Maximum SPL: 171 dB rms
- Source distortion: ≤ 0.5% @ 171 dB rms
- Distortion measurements: 2nd, 3rd and total harmonic distortion
- Method: Comparison with high-pressure monitor microphone (IEC 61094-5)
- Procedure: Level increments of 1 dB or larger; record rms, negative peak, positive peak and distortion at each step
- Automation & output: Automated measurement, calibration certificate printing, Excel export
- Documentation: Detailed operator instructions included
Manufacturer
- HBK
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