Bruel Kjaer 4226

| Attribute | Value |
|---|---|
| Frequency Range | 31.5 Hz to 16 kHz (1/1 octave bands); 100 Hz to 10 kHz (1/3 octave bands) |
| Sound Pressure Levels | 94 dB and 114 dB at 1 kHz |
| Coupler Type | IEC 60711 Occluded Ear Canal Simulator (711 coupler) and IEC 60318-1 2cc coupler |
| Accuracy | ±0.2 dB at 1 kHz reference frequency |
| Transducer Type | Built-in electrodynamic loudspeaker |
| Standards Compliance | IEC 60318-1, IEC 60318-3, IEC 60711, ANSI S3.7 |
| Power Supply | External power supply, 100–240 V AC, 50/60 Hz |
| Operating Temperature Range | 10°C to 40°C (50°F to 104°F) |
| Connector Interface | BNC input connector for signal input |
| Application | Calibration of hearing aids, earphones, and audiometric equipment |
| Model | Kjaer |
|---|
The Brüel & Kjær 4226 is a multi-frequency acoustic calibrator engineered for precise reference levels in sound measurement systems. Its stable performance across frequencies ensures accuracy in both laboratory and field conditions. Compact, portable, and durable, it supports consistent, long-term use with reliable calibration outputs.
Ideal for routine calibration tasks, the Brüel & Kjær 4226 delivers accuracy for microphones and sound systems. Its robust design guarantees dependable operation, making it a trusted tool for professionals worldwide in acoustic measurement applications.
Testwall can supply the used Brüel & Kjær 4226, 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 4226.




