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관련 설명 동영상 링크
1. 전류(4-20mA), 전압(1-5V), 디지털(RS-485)출력 마이크로폰https://www.youtube.com/watch?v=zoAPxKvZFKk
2.옥외에서 사용하는 방법
https://www.youtube.com/watch?v=2rmdFbvHZgY
3. PC 소프트웨어
https://www.youtube.com/watch?v=Tqy_n72Sl_Y
Features
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Comply with IEC61672-1/2 andGB/T3785-1/2, comply with GB 3096-2008《Environment qualitystandard for noise》
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4-20mA current loop and RS-485 output, transmissiondistance exceeds 1km
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Easy connect to PC, PLC, DCS and othercontrollers
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Dynamic range up to 110dB, low noisemeasurement to 25dBA
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Small size with 25mm diameter and 115mmlength
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Wide range power supply from DC 5V to24V
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Stainless steel shell, robust in harshenvironments
Typical Application
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System Integration Noise
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Construction Noise
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Production Noise
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Transportation Noise
Product Model
CRY2112
CRY2110
Applicable standards
IEC61672 Class 1
GB/T3785 Type 1
IEC61672 Class 2
GB/T3785 Type 2
Measurement Range
25~130dBA with CRY331/CRY333 microphone（Default）
20~130dBA with CRY311 microphone (Optional)
25~140dBA with CRY371 microphone (Optional)
Dynamic Range
≥ 110 dB, no range selection needed
AD Sampling rate
48kHz
Detection Method
Digital
Background Noise
19dB(A), 20dB(C), 23dB(Z)
22dB(A), 23dB(C), 24dB(Z)
Frequency Range
10Hz~20kHz
Frequency Weighting
A(default）/ C / Z (별도 요청 시 변경 가능)
Time Weighting
F（default）/ S (별도 요청 시 변경 가능)
Measurement Function
Lp（RS485 output, Voltage or Current output）
Leq（RS485 output, Integration time can be customized）
SPL Output
RS-485；
4-20mA(default)/DC 1-5V/DC2-10V（Choose one in three）
Power Supply
DC 5-24V
Dimensions
ɸ24.5mm×115mm
Weight
115g
Temp Range
-20～+50 ℃; Relative Humidity≤80%
Shell Material
Stainless steel, robust in harsh environments
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