Bruel & Kjaer 4144 Pressure-field Microphone
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Bruel & Kjaer 4144 is a pressure-field microphone with 50 mV/Pa sensitivity and excellent stability for coupler measurements and laboratory applications.
Product details
| Model | 4144 |
| Manufacturer | Bruel & Kjaer |
| Category | Sound Level Meters |
| Availability | Made to order |
Description
Overview
The Bruel & Kjaer Type 4144 is a pressure-field microphone designed for laboratory measurements where the local pressure response is of primary interest. Its excellent stability, low inherent noise, and high sensitivity make it ideal for coupler measurements and precision acoustic laboratory work.
Key Features
- Sensitivity: 50 mV/Pa
- Frequency range: 2.6 Hz to 8 kHz
- Dynamic range: 10 to 146 dB
- Excellent stability and low inherent noise
- External polarization: 200 V
- Operating temperature: –30°C to 100°C
Applications
- Coupler measurements
- Audiometer calibration
- Low-frequency, low-level measurements
- Laboratory standard microphone work
Specifications
| Type | Pressure-field microphone |
| Sensitivity | 50 mV/Pa |
| Frequency Range | 2.6 Hz to 8 kHz |
| Dynamic Range | 10 to 146 dB |
| Polarization | 200 V external |
| Operating Temperature | –30°C to 100°C |
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Bruel & Kjaer 4144 Pressure-field Microphone
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