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        Measurement microphone
        Measurement microphone
        • Measurement microphone

        CRY331 Measurement microphone

        Free field type; pre-polarization; frequency range: 3.15 Hz - 16 kHz; sensitivity: 40 mV/Pa; linear range: 16 - 140 dB

        CRY331 is a 1/2'' 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. During the test, due to the presence of the microphone, the sound field will be affected and the high-frequency sound field at its position will be changed. Based on this characteristic, the HF frequency response of the measurement microphone is adjusted to compensate for the error caused by the high-frequency sound pressure in the sound field. CRY331 is a cost-effective measurement microphone.

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        • Cost-effective
        • Industry leader
        • Titanium film process
        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

        Technical specification
        Technical specification of CRY331

        Sound field typeFree field type
        Sensitivity (@ 250 Hz ± 2 dB)40 mV/Pa
        Sensitivity (@ 250 Hz ± 2 dB)-28  dB re 1V/Pa
        Frequency response (±2 dB)3.15Hz~16kHz 
        Polarization voltage

        0V(pre-polarization)

        Typical capacitance18pF

        Upper limit of dynamic range (re. 20 uPa)

        ≥140dB(distortion < 3%)
        Lower limit of dynamic range (re. 20 uPa)≤16dB(A)
        Range of operating temperature-20℃~60℃
        Temperature coefficient (-10 ℃ to 50 °C)0.012dB/℃
        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)16.3mm
        Diameter (including protective grid)13.2mm
        Height (without protective grid)15.2mm
        Diameter (without protective grid)12.7mm
        Preamplifier with thread11.7mm-60UNS
        Protective grid thread12.7mm-60UNS

        Typical Frequency Response for CRY331 (0° angle of incidence)

        15711304922078618HaQ.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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        If you need to ask the price of CRYSOUND acoustic imager, reserve the free test for a limited time.Please input information and requirements according to the form, and we will arrange engineers to contact you as soon as possible.
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