The Brüel & Kjær 4448 personal dosimeter determines occupational and workplace noise exposure to assess compliance with OH&S requirements. The dosimeter is lightweight and is designed for easy shoulder-mounting.
The 4448 has simple two-button operation, an informative LCD display and auto-calibration function. Its built-in memory and rechargeable battery provide several working days of measurement. Designed to be wireless and shoulder-mounted, the 4448 Noise Dosimeter measures all noise parameters simultaneously.