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.
FAMILY 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).
Code | Actions | Price | Availability | Sensitivity [mV/Pa] | Lower dynamic range [dB] | Minimum Temperature [°C] | Maximum Temperature [°C] | Minimum Temperature [°F] | Maximum Temperature [°F] |
---|---|---|---|---|---|---|---|---|---|
-4938-W-001- |
|
- | 1.6 mV/Pa | 30 dB | -40 °C | 300 °C | -40 °F | 572 °F | |
-4938-D-011- |
|
- | 1.4 mV/Pa | 42 dB | -20 °C | 80 °C | -4 °F | 176 °F | |
-4938-A-011- |
|
- | 1.4 mV/Pa | 42 dB | -20 °C | 80 °C | -4 °F | 176 °F | |
-4938-L-002- |
|
- | 1.4 mV/Pa | 42 dB | -20 °C | 80 °C | -4 °F | 176 °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 | Classical |
Sensitivity [mV/Pa] | 1.4 mV/Pa, 1.6 mV/Pa |
Lower frequency [Hz] | 4 Hz |
Higher frequency [Hz] | 70 kHz |
Lower dynamic range [dB] | 42 dB, 30 dB |
Higher dynamic range [dB] | 172 dB |
Diameter | 1/4 inch |
Venting | Side |
Minimum Temperature [°C] | -20 °C, -40 °C |
Maximum Temperature [°C] | 80 °C, 300 °C |
Minimum Temperature [°F] | -4 °F, -40 °F |
Maximum Temperature [°F] | 176 °F, 572 °F |
Output signal (connectivity) | Passive |
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.