Bruel Kjaer 4155
| Attribute | Value |
|---|---|
| Transducer Type | Condenser Microphone |
| Nominal Diameter | 1/4 inch (6.35 mm) |
| Frequency Range | 10 Hz to 100 kHz |
| Dynamic Range | Up to 168 dB |
| Sensitivity | 1.6 mV/Pa (–56 dB re 1 V/Pa) |
| Polarization Voltage | 200 V |
| Capacitance | 6 pF (nominal) |
| Temperature Range | –10°C to +55°C (Operating) |
| Connector Type | 10-32 UNF Thread (Standard Microphone Connector) |
| Standards Compliance | IEC 61094-4, Type WS3P |
| Model | Kjaer |
|---|
The Brüel & Kjær 4155 is a precision condenser microphone designed for highly accurate acoustic measurements in laboratory and industrial environments. It features a wide frequency response and high sensitivity, ensuring consistent performance in sound pressure level analysis, noise monitoring, and vibration research applications.
With rugged yet precise construction, the 4155 provides reliable, repeatable results even under demanding environmental conditions. It is well-suited for environmental noise surveys, specialized audio testing, and industrial acoustic analysis.
Testwall can supply the used Brüel & Kjær 4155, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Brüel & Kjær 4155.
