Measurement microphone sets
Measurement microphone sets
  • Measurement microphone sets

CRY341 Measurement microphone sets

Frequency response: 4 Hz - 40kHz; sensitivity: 4 mV/Pa

CRY341-CRY547 1/4" IEPE Free-Field Measurement Microphone Kit This kit consists of CRY341 Measurement Microphone and CRY547 IEPE Preamplifier self-developed by CRYSOUND, with a SMB port for output.

  • Stainless steel case
  • High stability
  • Wide range of applications
Features
Standard-compliant

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 CRY341

CRY341 Microphone is a 1/4'' pre-polarization free-field measurement microphone that measures the actual sound pressure on the surface of the microphone diaphragm (including changes in the sound field due to the presence of the microphone itself). The presence of the microphone in the sound field will affect the sound field and change its high-frequency sound field. Based on this characteristic, the free-field microphone has its frequency response adjusted to compensate for errors brought to high-frequency sound pressure in the sound field.

Typical frequency response curve of CRY341
Typical frequency response curve of CRY341

Typical frequency response curve of CRY341

CRY341 Microphone is a 1/4'' pre-polarization free-field measurement microphone that measures the actual sound pressure on the surface of the microphone diaphragm (including changes in the sound field due to the presence of the microphone itself). The presence of the microphone in the sound field will affect the sound field and change its high-frequency sound field. Based on this characteristic, the free-field microphone has its frequency response adjusted to compensate for errors brought to high-frequency sound pressure in the sound field.

Preamplifier

Preamplifier

This kit includes a CRY547 IEPE preamplifier which is powered by constant current source and featured by very high input impedance, very low noise floor, and a very wide frequency response range. It can be used with CRY300 series 1/4'' pre-polarization measurement microphones. The output interface uses a BNC plug, which can be easily connected to a professional measurement system. It is suitable for electroacoustic testers, multi-channel analyzers, noise analyzers and other instruments. It is also compatible with other brands of measurement microphones. Stainless steel grants it excellent corrosion resistance and protection, so it is very suitable for various harsh test environments.

Technical specification
CRY331-CRY507 microphone sets

Sound field type

Free field type

Sensitivity, mV/Pa (dBV/Pa)

4mV/Pa±3dB

-48dBV/Pa±3dB

Frequency response range

4 Hz - 40 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

-20℃ ~ +60℃

Temperature coefficient

0.012dB /℃(-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 methodPost-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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