MP201 1/2

Microphone for class 1 sound level meters

The MP201 is a 1/2 "propolarized free-field sound measuring microphone. It is the ideal microphone to use in IEC61672 class 1 sound level meters and other sound measuring equipment where class 1 precision is required. The microphone diaphragm of the MP201 is made of nickel according to the BSWA diaphragm The microphone housing is made of Nickel-Aluminum which ensures that there is as little variation as possible with changing temperature, pressure and humidity.The MP201 uses only 40% of the frequency response deviations that are allowed according to the IEC61672 Type 1 production guarantee guarantee Each microphone comes with an individual calibration report with frequency response and sensitivity Features Open circuit sensitivity: -26 dB - 2dB (50mV / Pa) Microphone diameter: 1/2 "Frequency range: 20 Hz - 20 kHz Dinamic range (3% distortion limit):> 146dB Polarization voltage: 0V Power supply: 4mA Direction: 0