Measurement microphone sets
Measurement microphone sets
  • Measurement microphone sets

CRY351 Measurement microphone sets

Frequency response: 4 Hz - 40kHz; sensitivity: 15.8 mV/Pa

CRY351-CRY547 1/4" IEPE Free-Field Measurement Microphone Kit This kit consists of CRY351 Measurement Microphone and CRY547 IEPE Preamplifier self-developed by CRYSOUND, with a SMB port for output.

  • Wide frequency response range
  • 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 CRY351

CRY351 microphone is Ⅰ type pre-polarization 1/4 inch free field measurement microphone, is the sensor which can convert acoustic signal into electrical signals of sensors.Using Titanium film and make special stability treatment, with wide frequency range, good frequency characteristics, wide dynamic range, good dynamic characteristics, good temperature and long time stability, especially suitable for high frequency and high pressure level measurement.

Typical frequency response curve of CRY351
Typical frequency response curve of CRY351

Typical frequency response curve of CRY351

CRY351 microphone is Ⅰ type pre-polarization 1/4 inch free field measurement microphone, is the sensor which can convert acoustic signal into electrical signals of sensors.Using Titanium film and make special stability treatment, with wide frequency range, good frequency characteristics, wide dynamic range, good dynamic characteristics, good temperature and long time stability, especially suitable for high frequency and high pressure level measurement.

Preamplifier

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.

Technical specification
CRY351-CRY547 microphone sets

Sound field type

Free field type

Sensitivity, mV/Pa (dBV/Pa)

15.8mV/Pa±2dB

-36dBV/Pa±2dB

Frequency response range

4 Hz - 40 kHz (±2 dB)

Polarization voltage

0V

Dynamic range (based on 20 uPa)

20~140dB

Upper limit of dynamic range (based on 20 uPa)

≥140dB (250Hz,distortion < 3%)

Equivalent noise (based on 20 uPa)

≤20dB(A)(250Hz)

Range of operating temperature

-20℃ ~ +60℃

Temperature coefficient

0.015dB /℃(-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 ventSide

IEC 61094-4 Designation

WS3F

Input impedance

>2GΩ/50pF

Output impedance

<20Ω

Distortion(THD)
<0.1%

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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