Bruel Kjaer 2250-L-D21 – Advanced Class 1 Sound Level Meter

The Bruel Kjaer 2250-L-D21 is a high-precision Class 1 sound level meter and handheld analyzer designed for accurate acoustic measurements in industrial, environmental, and occupational applications. It features a robust design, user-friendly interface, and superior performance, making it ideal for professionals who demand reliable sound analysis.

Equipped with a Type 4189 microphone, this device accurately measures sound levels in the range of +30 to +130 dB, with 0.1 dB resolution and IEC 61672-1 compliance. The 2250-L-D21 supports features such as real-time frequency analysis, octave band filtering, data logging, and noise recording, which are essential for environmental compliance and workplace safety assessments.

This analyzer is fully portable, battery-powered, and includes a windscreen, calibration certificate, protective carrying case, and optional accessories like GPS and LAN interface. It also integrates with Brüel & Kjær’s BZ-7222 software modules for advanced analysis and data visualization.

Whether used for machine noise diagnostics, construction site monitoring, or urban sound mapping, the Bruel Kjaer 2250-L-D21 provides unmatched accuracy and durability. It’s a trusted solution for acoustics engineers, safety officers, and consultants worldwide.