

CRY2112 Noise sensor
CRY2112 Noise sensor is a new type of noise test equipment developed by CRY Sound for industrial applications. Its product performance complies with such standards as IEC61672 (Class 1) and GB/T3785 (Type 1).
The sensor is small in size and its stainless steel case is robust and corrosion-resistant. It is equipped with precision measurement microphone, integrated preamplifier, high precision ADC and high speed DSP processor. Its excellent hardware design provides 110 dB dynamic range. With excellent performance, it can measure the environmental noises as low as 25 dBA.
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Wide dynamic range
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Small figure
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High industrial compatibility

Features of CRY2112
Small volume, robust, corrosion-resistant and stainless steel case
Equipped with Class II measurement microphone, highly-integrated internal hardware circuits, excellent performance
110 dB dynamic range, able to measure the environmental noises as low as 25 dBA
Supporting tests at multiple sound pressure levels (SPL), A/C/Z frequency weighting and F/S time weighting
Using RS485 bus and supporting multiple communication protocols
Technical specifications of CRY2112 noise sensor (universal version) |
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Communication Type | We customize the communication protocol / Modbus RTU Communication Protocol. |
Applicable Standards | IEC61672 (Class 1) and GB/T3785 (Class 1) |
Standard Microphone | CRY331 |
Optional Microphone | CRY311 |
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 | Lxy(x=A/C/Z,y=F/S) |
Data refresh cycle | 50ms |
Sound pressure level (SPL) output | RS-485;4~20mA,1~5V or 2~10V(either of the three) |
Supply voltage | DC 5-24V(For current output and voltage output, please use high supply voltage for power supply.) |
Overall Dimension | ɸ24.5mm×111mm |
Weight | 115g |
Operating conditions | -10~+50 ℃;RH: ≤ 90% (without condensation) |
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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