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CRY2120 Noise Sensor
The CRY2120 noise sensor is a new industrial-grade model that complies with the IEC61672-1 and GB/T3785-1 standards.
CRY2120 Noise sensor is small and has integrated signal conditioning, amplification, sampling and computation circuits. It provides industrial universal RS-485 communication interface / 4-20 mA analog output / Modbus and other data transmission modes.
Technical Specifications
Applicable standards
IEC61672-2, GB/T3785-2
Measurement Range
25~130dBA (Related to the microphone)
Dynamic Range
≥110dB, without switch range
Standard Microphone
CRY333
AD Sampling Rate
48kHz
Detection Method
Fully digital
Internal noise
19dB(A), 21dB(C), 27dB(Z)
Frequency Range
10Hz~20kHz
Weighting filters
Frequency weighting: A, C, Z
Time constants
Time Weighting: Slow, Fast
Time constants
Time Weighting: Slow, Fast
Output interface
RS-485 & 4-20mA / 1-5V / 2-10V (choose one of three)
Power Supply
DC 5-24V (Use high voltage power supply when use analog outputs)
Appearance Size
ɸ24.5mm×111mm
Weight
115g
Operating Conditions
-10 ~ +50℃; RH: ≤90% (without condensation)
Main Features
- Compact and robust.
- Multiple weighting options supported.
- Compatible with various communication protocols.
Product Highlights
Comprehensive Features With Exceptional Performance
CRY2120 is compact in size and features a robust and corrosion-resistant stainless steel casing. It is equipped with a Class 1 measurement microphone and highly-integrated internal hardware circuits, delivering outstanding performance. With a dynamic range of 110dB, it can accurately measure environmental noises as low as 25dBA.
It supports various sound pressure level tests and offers A/C/Z frequency weighting and F/S time weighting functions. The device utilizes an RS485 bus and supports multiple communication protocols, ensuring compatibility with most docking requirements in a wide range of scenarios.
Compact and robust.
Highly integrated hardware, exceptional performance.
Multiple weighting options supported.
