½-INCH FREE-FIELD MICROPHONE, PREPOLARIZED, 6.5 HZ – 12.5 KHZ
Free-field microphone for sound level meter measurements (IEC61672 class 1 and ANSI S 1.4 Type 1) over a frequency response of 6.5 Hz To 12.5 kHz.
TYPE 4176
Type 4176 is a prepolarized ½-inch free-field microphone designed for accurate and reliable sound measurements, as required for sound level meters in accordance with IEC 61672 class 1 and ANSI S 1.4 Type 1.
The sensitivity of Type 4176 can be calibrated at 250 Hz using Pistonphone Type 4228 with Adaptor DP 0776, or at 1 kHz using Sound Level Calibrator Type 4231. Calibration in an extended frequency range is possible using Multifunction Acoustic Calibrator Type 4226.
• Sensitivity: 50 mV/Pa
• Frequency: 6.5 Hz to 12.5 kHz
• Dynamic Range: 14 to 142 dB
• Temperature: –30 to 100°C (–22 to 212°C)
• Prepolarized
• High resistance to humidity
File |
Description |
Type |
Languages |
Size |
---|---|---|---|---|
Product Data: ½" Free-field Microphone Type 4176 (BP2033) | Technical Document | English | 182 KB |
Standard | IEC 61672, ANSI S1.4 |
Sound field | Free field |
Polarization voltage | 0V |
Sensitivity [mV/Pa] | 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 [°C] | -30 °C |
Maximum Temperature [°C] | 100 °C |
Minimum Temperature [°F] | -22 °F |
Maximum Temperature [°F] | 212 °F |
Type 4176 is a prepolarized ½-inch free-field microphone designed for accurate and reliable sound measurements, as required for sound level meters in accordance with IEC 61672 class 1 and ANSI S 1.4 Type 1.
• Sensitivity: 50 mV/Pa
• Frequency: 6.5 Hz to 12.5 kHz
• Dynamic Range: 14 to 142 dB
• Temperature: –30 to 100°C (–22 to 212°C)
• Prepolarized
• High resistance to humidity
Standard | IEC 61672, ANSI S1.4 |
Sound field | Free field |
Polarization voltage | 0V |
Sensitivity [mV/Pa] | 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 [°C] | -30 °C |
Maximum Temperature [°C] | 100 °C |
Minimum Temperature [°F] | -22 °F |
Maximum Temperature [°F] | 212 °F |
File |
Description |
Type |
Languages |
Size |
---|---|---|---|---|
Product Data: ½" Free-field Microphone Type 4176 (BP2033) | Technical Document | English | 182 KB |
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.
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.