1/4-INCH PRESSURE-FIELD MICROPHONE, EXTERNALLY POLARIZED
Pressure-field microphone for high-level and high-frequency measurements over a frequency range of 4 Hz to 70 kHz.
TYPE 4938
Pressure-field ¼-inch Microphone Type 4938 is designed for high-level and high-frequency measurements. The microphone is geared to withstand rough handling and high temperatures of up to 300°C (572°F).
File |
Description |
Type |
Languages |
Size |
---|---|---|---|---|
1/4'' Pressure-field Microphone Type 4938 | Technical Document | English | 385 KB | |
TEDS Microphones | Technical Document | English | 249 KB |
Standard | IEC 61094 |
Sound field | Pressure field |
Polarization voltage | 200V |
Sensitivity [mV/Pa] | 1.6 mV/Pa |
Lower limiting frequency | 4 Hz |
Higher limiting frequency | 70 kHz |
Inherent noise | 30 dB(A) |
Upper limiting of dynamic range | 172 dB |
Diameter | 1/4 inch |
Venting | Side |
Minimum Temperature [°C] | -40 °C |
Maximum Temperature [°C] | 300 °C |
Minimum Temperature [°F] | -40 °F |
Maximum Temperature [°F] | 572 °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.
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.