<强>1/2"麦克风风， 预极化
自由场麦克风，用于6.5Hz至12.5kHz频率响应下的声级计测量。
Ul.
TYPE 4176
4176 型是预极化 ½ 英寸自由场麦克风，专为准确可靠的声音测量而设计，符合 IEC 61672 Class 1 和 ANSI S 1.4 Type 1.
声级计的要求TYPE 4176 的灵敏度可在 250 Hz 使用带适配器 DP 0776 的活塞式电话 Type 4228 校准，或使用声级校准器 Type 4231 在 1 kHz 校准。使用多功能声学校准器Type 4226可在扩展频率范围内进行校准。
•灵敏度：50 mV/Pa
•频率：6.5Hz至12.5kHz
•动态范围：14至142dB
•温度：–30至100℃(–22至212℃)
•预极化
•高耐湿性
| Product Data: ½" Free-field Microphone Type 4176 (BP2033) | Data Sheets | 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 |
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.
