CRY343 Measurement microphone sets
Frequency response: 4 Hz - 90kHz; sensitivity: 4 mV/Pa
CRY343-CRY547 1/4" IEPE Free-Field Measurement Microphone Kit. This kit consists of CRY343 Measurement Microphone and CRY547 IEPE Preamplifier self-developed by CRYSOUND, with a SMB port for output.
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Stainless steel case
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High stability
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Wide range of applications
Standard-compliant
Compliance with IEC 61094-4:1995 Measurement microphones - Part 4: Specifications for working standard microphones
Compliance with GB/T 20441.4-2006 Measurement microphones - Part 4: Specifications for working standard microphones
Typical frequency response curve of CRY343
CRY343 Microphone is a 1/4'' pre-polarization free-field measurement microphone.Because of low sensitivity, it is mainly used for high level and high frequency measurement.It can measure sound pressure levels up to 164 decibels.Titanium diaphragm can achieve high stability and high precision in harsh environment.
Typical frequency response curve of CRY343
CRY343 Microphone is a 1/4'' pre-polarization free-field measurement microphone.Because of low sensitivity, it is mainly used for high level and high frequency measurement.It can measure sound pressure levels up to 164 decibels.Titanium diaphragm can achieve high stability and high precision in harsh environment.
Preamplifier
The CRY547 preamplifier can be combined with 1/4'' measurement microphones to convert impedance and amplify sound signals.The preamplifier is characterized by high input impedance, low output impedance, low noise and wide frequency response range.It can be used in electroacoustic test system or multi-noise analysis.
| CRY343-CRY547 microphone sets |
|---|
Sound field type | Free field type |
Sensitivity, mV/Pa (dBV/Pa) | 4mV/Pa±3dB -48dBV/Pa±3dB |
Frequency response range | 10 Hz - 90 kHz (±2 dB) |
Polarization voltage | 0V |
Dynamic range (based on 20 uPa) | 30～160dB |
Upper limit of dynamic range (based on 20 uPa) | ≥160dB （250Hz，distortion < 3%） |
Equivalent noise (based on 20 uPa) | ≤30dBA（250Hz） |
Range of operating temperature | -30℃ ～ +70℃ |
Temperature coefficient | 0.01dB /℃（-10℃ ～ +50℃，250Hz） |
Static pressure coefficient | -0.01dB /kPa |
Relative humidity range | 0～90%(without condensation) |
Relative humidity coefficient | <0.1dB(0 - 90% without condensation) |
| Pressure equalization method | Post-pressure equalization |
IEC 61094-4 Designation | WS3F |
Input impedance | >2GΩ/50pF |
Output impedance | <20Ω |
Power supply | IEPE（2mA～10mA） |
Rated operational current | 4mA |
Noise (A-weighted) | <3µVrms |
Linearity (20 - 20 KHz) | <10µVrms |
Gain | -1.2dB |
Connector | SMB port |
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20 years industry experience
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24 hours Technical Support
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Professional engineers on line response
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2 hours response
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