Measurement microphone
Measurement microphone
  • Measurement microphone

CRY371 Measurement microphone

Free field type; pre-polarization; frequency response: 3.15 Hz - 40 kHz; sensitivity: 12.5 mV/Pa; dynamic range: 20 - 160 dB

CRY371 is a 1/2'' free-field type pre-polarization broadband measurement microphone. Thanks to the use of titanium alloys and precision stainless steel, as well as its compact construction and low-sensitivity design, it is not only excellent in corrosion resistance and robustness, but also extremely high stability and a very wide dynamic range, so that it is ideal for outdoor and indoor applications. CRY371 is a kind of high-performance measurement microphone.

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  • High upper frequency limit
  • High sensitivity
  • Wide dynamic range
Features
Standard-compliant CRY371

Standard-compliant CRY371

  • 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

Technical specification
Technical specification of CRY371

Sound field typeFree field type
Sensitivity (@ 250 Hz ± 2 dB)12.5 mV/Pa
Sensitivity (@ 250 Hz ± 2 dB)-38  dB re 1V/Pa
Frequency response (±2 dB)3.15Hz~40kHz 
Polarization voltage

0V(pre-polarization)

Typical capacitance13pF

Upper limit of dynamic range (re. 20 uPa)

≥160dB(distortion < 3%)
Lower limit of dynamic range (re. 20 uPa)≤20dB(A)
Range of operating temperature-30℃~80℃
Temperature coefficient (-10 ℃ to 50 °C)0.005dB/
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 methodPost-pressure equalization
IEC 61094-4 DesignationWS2F
Height (without protective grid)12.6mm
Diameter (including protective grid)13.2mm
Height (without protective grid)11.5mm
Diameter (without protective grid)12.7mm
Preamplifier with thread11.7mm-60UNS
Protective grid thread12.7mm-60UNS

Typical Frequency Response for CRY371 (0° angle of incidence)

1571129187641616rlq4.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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