Bruel & Kjaer 4145 Free-field Microphone
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Bruel & Kjaer 4145 is a 1-inch free-field microphone with 50 mV/Pa sensitivity, 10 to 146 dB dynamic range, designed for low-level laboratory measurements.
Product details
| Model | 4145 |
| Manufacturer | Bruel & Kjaer |
| Category | Sound Level Meters |
| Availability | Made to order |
Description
Overview
The Bruel & Kjaer Type 4145 is a 1-inch free-field microphone designed for low-level and laboratory measurements. It features excellent sensitivity and a wide dynamic range suitable for precision acoustic work.
Key Features
- 1-inch free-field microphone
- Sensitivity: 50 mV/Pa
- Dynamic range: 10 to 146 dB
- External polarization
- Designed for low-level measurements
Applications
- Laboratory acoustic measurements
- Low-level sound pressure monitoring
- Free-field sound field characterization
Specifications
| Type | Free-field microphone, 1 inch |
| Sensitivity | 50 mV/Pa |
| Dynamic Range | 10 to 146 dB |
| Polarization | External |
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Bruel & Kjaer 4145 Free-field Microphone
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