Bruel Kjaer 4231
| Attribute | Value |
|---|---|
| Sound Pressure Level | 94 dB re. 20 µPa |
| Frequency | 1000 Hz |
| Accuracy | Class 1 (IEC 60942) |
| Microphone Diameter Compatibility | 1/2 inch (13.2 mm) |
| Level Accuracy at 1 kHz | ±0.2 dB |
| Operating Temperature Range | -10°C to +50°C (14°F to 122°F) |
| Humidity Range | 25% to 90% Relative Humidity (non-condensing) |
| Power Supply | One 9V IEC 6F22 battery |
| Battery Life | Approximately 2000 hours |
| Standards Compliance | IEC 60942 Class 1, ANSI S1.40 |
Bruel Kjaer 4231 Options:
- 4231 - DP-0775 - Adaptor for 1/4″ microphones
- 4231 - DP-0774 - Adaptor for 1/8″ microphones
- 4231 - DP-0887 - Adaptor for Head and Torso Simulator Type 4128
- 4231 - DP-0888 - Adaptor for Intensity Probe Sets Types 3545, 3548, 3583, 3584
| Model | Kjaer |
|---|
The Brüel & Kjær 4231 is a single-frequency sound calibrator designed to provide stable and precise sound pressure levels. Its lightweight and portable design ensures engineers and technicians can rely on accurate microphone verification in both laboratory and field environments. With one-button operation, it offers efficient use without complex setup, making it a trusted reference tool across industries.
Ideal for quick checks and compliance testing, the Brüel & Kjær 4231 simplifies the calibration process while maintaining high accuracy standards. Its rugged build guarantees dependable performance in varied applications.
Testwall can supply the used Brüel & Kjær 4231, 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 4231.
