Bruel-Kjaer -4190

The Bruel-Kjaer 4190 Condenser Microphone is a high-precision acoustic measurement instrument designed for accurate and reliable sound level testing across a wide range of applications. With a 1/2″ diameter design and a frequency response of 0–20 kHz, this microphone delivers outstanding accuracy for both laboratory and field measurements.

Engineered with a sensitivity of 50 mV/Pa and a signal-to-noise ratio (SNR) of 75.1 dB, the Bruel-Kjaer 4190 Condenser Microphone offers superior sound capture with minimal noise interference. This makes it an excellent choice for applications requiring high-quality acoustic data, such as environmental noise monitoring, audio equipment testing, and research in acoustics.

The robust and stable construction of the Bruel-Kjaer 4190 Condenser Microphone ensures long-term performance without significant drift in sensitivity. Its durable stainless steel housing protects the microphone capsule from environmental influences, allowing it to perform reliably even in challenging conditions.

This model is fully compatible with Bruel-Kjaer preamplifiers and measurement systems, ensuring seamless integration into your existing test setups. The precision diaphragm design provides a flat frequency response, enabling accurate reproduction of sound pressure levels across the specified range.

Typical applications for the Bruel-Kjaer 4190 include:

• Environmental noise assessment

• Laboratory acoustic testing

• Sound power and sound intensity measurements

• Calibration and reference standard measurements

As part of Bruel-Kjaer’s industry-leading measurement microphone range, the 4190 model is manufactured to the highest standards, ensuring compliance with relevant international measurement norms. This guarantees that your measurement data will be accurate, consistent, and comparable across different test environments.

With its combination of high sensitivity, wide frequency range, and low inherent noise, the Bruel-Kjaer 4190 Condenser Microphone is the preferred choice for professionals seeking precise acoustic measurement tools. Its proven reliability makes it a long-term investment for engineers, researchers, and technicians in the field of sound and vibration testing.