Pistonphone 4228

Overview
The HBK Pistonphone Type 4228 is a high-precision acoustic calibrator designed to provide a stable, repeatable sound pressure reference for calibration and verification of sound level meters and microphones. It is suitable for both field service and laboratory checks where a portable, reliable reference source is required.

Key features

• High-precision pistonphone acoustic calibrator
• Stable and repeatable sound pressure reference
• Portable design for in-field and on-site calibration
• Direct compatibility with sound level meters and laboratory microphones

Applications

• Calibration and verification of sound level meters
• Calibration of laboratory and reference microphones
• On-site checks of acoustic measurement chains and field service calibration

Technical specifications

• Commercial designation: Pistonphone Type 4228
• Product type: Pistonphone (acoustic calibrator)
• Intended use: Accurate calibration of sound level meters and microphones; field and laboratory verification
• Brand: HBK
• Model / reference: Type 4228
• EAN: —
• Price: —