

CRY2301 Noise sensor
CRY2301 Noise sensor is a new type of noise test equipment independently developed by CRY Sound for industrial grade applications. It can realize real-time noise time domain and frequency domain analysis with real-time spectrum analysis software. The product complies with such standards as IEC61672 (Class 1) and GB/T3785 (Class 1). CRY2301 integrates measurement microphone, preamplifier, data acquisition, and data communication in a compact structure. It supports an optional 1'' high-sensitivity microphone for extremely low sound pressure testing. CRY2301 uses a USB interface for data communication and power supply. As a composite USB device consisting of a USB Audio device and a HID device, it is compatible with 32-bit/64-bit Windows 7 and Windows 10 systems. CRY2301 is equipped with real-time spectrum analysis software for easy access to time and frequency domain measurements. The real-time spectrum analysis software supports frequency weighting and time weighting, and can perform acoustic analysis, such as noise statistical analysis, octave analysis, and FFT analysis.
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High industrial compatibility
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Powerful functions
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Real-time monitoring

Features of CRY2301
Small volume, stainless steel case, and excellent corrosion resistance
It integrates measurement microphone, preamplifier, data acquisition, and data communication in a whole unit.
It supports an optional 1'' high-sensitivity microphone for extremely low sound pressure testing and exhibits excellent performance.
It can perform time domain noise analysis, octave analysis, and FFT spectrum analysis.
Features of CRY2301
By using a USB interface for data communication and power supply, it is a composite USB device consisting of USB Audio device and HID device.
It is compatible with 32-bit/64-bit Windows 7 / Windows 10 system.
Dynamic range ≥ 110 dB, with no need for measuring range switching
Lower noise floor and high SNR
High industrial compatibility and quite adaptable to the working environment
Light-weight and easy to use


Features of CRY2301
By using a USB interface for data communication and power supply, it is a composite USB device consisting of USB Audio device and HID device.
It is compatible with 32-bit/64-bit Windows 7 / Windows 10 system.
Dynamic range ≥ 110 dB, with no need for measuring range switching
Lower noise floor and high SNR
High industrial compatibility and quite adaptable to the working environment
Light-weight and easy to use
Technical specifications of CRY2301 |
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Applicable Standards | IEC61672 (Class 1) and GB/T3785 (Class 1) |
Communication Type | USB |
Standard Microphone | CRY333 |
Measurement Range | 25~130dBA (Due to slight differences in the sensitivity of the supported microphones, this value shall be subject to the actual product specification.) |
Dynamic Range | ≥ 110 dB,with no need for measuring range switching |
AD sampling rate | 48kHz |
Detection mode | Full digital |
Receiver noise | 19dB(A)、21dB(C)、27dB(Z) |
Frequency range | 10Hz~20kHz |
Frequency weighting | A、C、Z |
Time weighting | F、S |
Measurement indicator | Lp ,Leq ,Lmin ,Lmax |
Octave analysis | 1/1, 1/3, 1/6, 1/12, 1/24 octave |
Spectrum analysis | FFT analysis |
Supply voltage | USB 5 V power supply |
Overall Dimension | ɸ24.5mm×111mm |
Weight | 115g |
Operating conditions | -10~+50 ℃;RH: ≤ 90% (without condensation) |
Operation system | Windows 7 / Windows 10, 32 / 64 bit |
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20 years industry experience
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24 hours Technical Support
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Professional engineers on line response
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2 hours response
Solution within 2 work days -
All life Costs Maintenance