Measurement microphone
Measurement microphone
  • Measurement microphone

CRY343 Measurement microphone

Free field type; pre-polarization; frequency response: 4 Hz - 90 kHz; sensitivity: 4 mV/Pa; dynamic range: 30 - 165 dB

CRY343 is a 1/4'' free-field type pre-polarization measurement microphone. The design of titanium alloy and precision stainless steel makes it not only excellent in corrosion resistance and robustness, but also extremely high stability, so that it is ideal for outdoor and indoor applications. The unique design and smaller size give it the upper limit of up to 90kHz within the frequency range and a very wide dynamic range. CRY343 is a kind of high-performance measurement microphone.

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  • For ultrasonic applications
  • Excellent performance
  • High upper frequency limit
Features
Standard-compliant CRY343

Standard-compliant CRY343

  • Compliance with IEC61094-4: 1995 Measurement microphones - Part 4: Specifications for working standard microphones

  • Compliance with GBT20441.4-2006 Measurement microphones - Part 4: Specifications for working standard microphones

Technical specification
Technical specification of CRY343

Sound field typeFree field type
Sensitivity (@ 250 Hz ± 2 dB)4 mV/Pa
Sensitivity (@ 250 Hz ± 2 dB)-48  dB re 1V/Pa
Frequency response (±2 dB)4Hz~90kHz 
Polarization voltage

0V(pre-polarization)

Typical capacitance7pF

Upper limit of dynamic range (re. 20 uPa)

≥165dB(distortion < 3%)
Lower limit of dynamic range (re. 20 uPa)≤30dB(A)
Range of operating temperature-30℃~80℃
Temperature coefficient (-10 ℃ to 50 °C)0.01dB/℃
Static pressure coefficient-0.01dB/kPa
Relative humidity range (without condensation)0~90%RH
Relative humidity coefficient<0.1dB(0 - 90% RH without condensation)
Pressure equalization methodAverage side pressure
IEC 61094-4 DesignationWS3F
Height (without protective grid)10.5mm
Diameter (including protective grid)7mm
Height (without protective grid)9mm
Diameter (without protective grid)6.35mm
Preamplifier with thread5.7mm-60UNS
Protective grid thread6.35mm-60UNS

Typical Frequency Response for CRY343

1571201190331698bhyD.jpg


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After-sales services
  • 20 years industry experience

  • 24 hours Technical Support

  • Professional engineers on line response

  • 2 hours response
    Solution within 2 work days

  • All life Costs Maintenance

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