1/2“自由场传声器，预极化
自由场传声器，用于声级计测量，频率响应范围为6.5 Hz至12.5 kHz。
4176 型
4176 型是预极化 ½ 英寸自由场传声器，专为准确可靠的声音测量而设计，符合 IEC 61672 1 级和 ANSI S 1.4 1 型标准。
使用 DP 0776 适配器和 4228 型活塞发生器可以在 250 Hz 校准 4176 型的灵敏度，或使用 4231 型声校准器在 1 kHz 进行校准。使用多功能声校准器 4226 型可以在扩展的频率范围内进行校准。
• 灵敏度50 mV/Pa
• 频率：6.5 Hz to 12.5 kHz
• 动态范围：14 到 142 dB
• 温度：–30 至 100°C（–22 至 212°C）
• 预极化
• 高湿度抵抗
| Product Data: ½" Free-field Microphone Type 4176 (BP2033) | 數據表 | English |
Certificates and Approvals
| Italian Type Approval of 2237-A-104 EH with microphone 4176, 11 October 1999 (6986/99/IEN) | Type Approval | Italian |
| Standard | IEC 61672, ANSI S1.4 |
| Sound field | Free field |
| Polarization voltage | 0V |
| Sensitivity | 50 mV/Pa |
| Lower limiting frequency | 6.5 Hz |
| Higher limiting frequency | 12.5 kHz |
| Inherent noise | 13.5 dB(A) |
| Upper limiting of dynamic range | 142 dB |
| Diameter | 1/2 inch |
| Venting | Rear |
| Minimum Temperature | -30 °C |
| Maximum Temperature | 100 °C |
| Minimum Temperature | -22 °F |
| Maximum Temperature | 212 °F |
| Product Code | Description |
|---|---|
DZ-9566---
|
Random Incidence Correctors |
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.