MP251 Microphone
MP251 is 1/2’’ pressure-field microphone and is designed to make the measurement in an ear simulator, a coupler or the sound pressure on a surface.
Technical Parameters
| Specification | |
|---|---|
| Response | Pressure Field |
| Diameter | 1/2 inch |
|
Open-circuit Sensitivity (mV/Pa) (±2dB) |
10 |
| Capacitance | 12pF |
| Polarization Voltage | 0V |
| Frequency Response | 8 Hz ~ 20 kHz |
| Dynamic Range | 25~ 146 dB |
|
Inherent Noise |
25 dB (A) |
| Pressure Equalization Vent | Rear Vented |
| Operating Temperature | -30°C ~ 80°C |
| Operating Humidity | 0 ~ 98% RH |
|
Equivalent Air Volume (250 Hz) (mm3) |
30 |
| Temperature Coefficient | -0.02 |
|
Humidity Influence |
< 0.1 |
| Pressure Coefficient (250 Hz) | - 0.005 dB/kPa |
|
Screw Thread |
M11.7 – 60UNS |
Download information:
MP251
