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Henan Zhong'an Electronic Detection Technology Co., Ltd
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S500-ZY noise detector
The S500-ZY noise detector is mainly used for real-time on-site measurement of various types of noise such as environmental noise, traffic noise, work
Product details

product details

The S500-ZY noise detector is mainly designed according to the requirements of the national standard GB/T 3785.1-2010 "Electroacoustic Sound Level Meter Part 1: Specification" and the international standard IEC 61672-1:2002 for Class X sound level meters at level 2. It is mainly used for real-time on-site measurement of various types of noise such as environmental noise, traffic noise, workplace noise, construction noise, and social life noise. With this module, customers no longer need to worry about complex noise signal processing, and can focus on their areas of expertise to create value for customers more quickly.

Functional Features

◆ 30~120dBA wide range, 20~12.5KHz wide frequency measurement

◆ Adopting high-performance pre polarized back polarized electret condenser microphone, with wide dynamic range and stable performance

Output interface: RS-485

Power supply: 24VDC


Technical Parameter

working voltage

10~28V

Power consumption

27.8mA@24V

Operating temperature of transmitter circuit

-20℃~+60℃,0%RH~80%RH

output signal

RS485 ModBus RTU communication protocol

UART or RS-485 communication parameters

9600 N 8 1

measuring range

50dB~120dB

frequency weighting

a-weighting

Frequency response range

20Hz~12.5kHz

response time

Fast mode: 500ms; Slow mode: 1.5s

Stability

Less than 2% within the usage cycle

Reference calibration point

94dB and 114dB calibration, reference sound pressure 20uPa, frequency 1kHz

Noise accuracy

± 0.5dB (at reference pitch, 94dB@1kHz )

Dust cover impact

The impact within the range of 50~115dB is ≤ 0.5dB; the impact within other ranges within the range is ≤ 0.7dB

work environment

Air temperature: -40~+60 ℃

relative humidity

25%~90%

Static pressure

65kPa~106kPa


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