Sound level calibration system 9721-B

digital

Overview
Designed for measurement and matching of sound intensity microphone pairs, enabling phase, amplitude and pressure-residual intensity index evaluation to support acoustic testing workflows.

Applications

• Phase and amplitude matching of sound intensity microphone pairs
• Determination of pressure-residual intensity index for microphone pairs
• Preparation and verification of microphone pairs for acoustic measurements and testing

Main functions

• Phase match measurement between microphones
• Amplitude match measurement between microphones
• Measurement of pressure-residual intensity index for pair evaluation

Technical specifications

• Model: Type 9721-B
• Brand: HBK
• Category: Microphone calibration / Sound intensity microphone pair measurement
• Intended use: Calibration and matching of sound intensity microphone pairs for acoustic testing