Bruel Kjaer 4911

| Attribute | Value |
|---|---|
| Type | Artificial Ear (IEC 318 Coupler) |
| Standard Compliance | IEC 60318-1, IEC 60711 |
| Application | Calibration of supra-aural and circumaural earphones |
| Microphone Compatibility | Compatible with Brüel & Kjær Type 4134 and similar 1/2-inch microphones |
| Frequency Range | 100 Hz to 10 kHz |
| Coupler Volume | 6 cm³ (nominal) |
| Ear Simulator Type | Occluded-ear simulator |
| Material | Stainless steel and precision-machined aluminum |
| Dimensions | Compact design suitable for laboratory bench use |
| Typical Use | Audiometric equipment testing, hearing aid measurement, and headphone calibration |
| Model | Kjaer |
|---|
The Brüel & Kjær 4911 is a high-performance vibration transducer engineered to convert mechanical vibrations into precise electrical signals for advanced monitoring and analysis. Designed with a compact form, it ensures sensitivity, accuracy, and durability even in harsh environments, making it reliable for structural testing, machinery diagnostics, and vibration research.
Its rugged build supports long-term performance in industrial and research applications, while easy mounting enables integration in tight experimental or operational setups. Professionals benefit from consistent, dependable data output.
Testwall can supply the used Brüel & Kjær 4911, 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 4911.




