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Environmental Rs485 4-20mA 0-5V Output 30-120dB Decibel Noise Sensor Transmitter
US$90.00
2-8 Pieces
US$70.00
9+ Pieces
Sample price:US$70.00/piece.Request sample
Product profile
Customization
AvailableType
Wall-Mounted Current TypeMeasuring Medium
Noise TransmitterModel NO.
HG-NS-W Noise TransmitterDisplay Type
LEDSite Display
Site DisplayAccuracy
3%F.SIP Rating
IP65Certification
CECustomized
CustomizedPower Supply
10-30V DCPower Consumption (Max)
0.4 WOperating Temperature
-20 - 60 Deg.COperating Humidity
0%Rh-80%Rh (No Condensation)Output Signal
RS485 Communication, 4-20mAResolution
0.1 dBMeasurement Range
30dB-130dBFrequency Response
20 Hz - 12.5 kHzResponse Time
3sMounting
Wall MountingProtection
IP65Housing Material
ABS PlasticCable Material
PVC PlasticApplication
Noise Level DetectionItem
Noise SensorTransport Package
2kgSpecification
20*15*15cmTrademark
Siko InstrumentsOrigin
ChinaHS Code
9025191010Production Capacity
999 Units / WeeksKey features
Wide Measurement Range: Detects noise levels from 30dB to 130dB with high precision.
Dual Output Signals: Provides 4-20mA analog and RS485 Modbus digital outputs.
IP65 Waterproof Rating: Durable ABS housing ensures reliable operation in outdoor environments.
Fast Response Time: Quick 3-second response time for accurate real-time monitoring.
Wide Voltage Input: Supports DC 10-30V power supply for flexible installation.
CE Certified Quality: Meets CE standards for safety and performance in industrial use.
Versatile Applications: Ideal for factories, offices, smart homes, and construction zones.
Easy Wall Mounting: Simple installation design for quick setup on walls.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤3.52h
AI-Powered supplier vetting
SummaryHefei Siko Instruments Co., Ltd. is identified as both a trading company and manufacturer/factory in China. It supplies flow meters, sensors, transducers, and related industrial instrumentation. The supplier reports ANSI/ESD and ISO 9001 certifications, 11–20 R&D engineers, 11–20 quality-control staff, and five production lines. It has self-operated import/export rights, began exporting in 2020, and reports exports as 71%–90% of sales, with broad global market coverage. Evidence confirms manufacturing, quality-management certification, international trade capability, and established product expertise. However, the provided information does not substantiate after-sales processes, financial credibility, customization services, or a broad customer track record.
Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory. Its stated business covers instruments, meters, industrial equipment, flow measurement technology, sensors, and transducers, indicating a direct manufacturing and trading role in industrial instrumentation.
CertificationsThe supplier reports ANSI/ESD and ISO 9001 certifications for its management systems. These stated certifications provide explicit evidence of formal quality or operational controls, although no certificate scope, issuing body, or validity details are supplied.
R&D capabilityThe supplier offers multiple flow-measurement and sensing technologies and reports 11–20 R&D engineers, indicating an established technical development function. However, no patents, proprietary technologies, new-product records, or R&D outcomes are provided.
Production capacityThe supplier is identified as a manufacturer/factory with five production lines, 11–20 quality-control staff, and stated product coverage in flow measurement and industrial instrumentation. It also reports an off-peak lead time of one month and peak fulfillment within 15 workdays, supporting evidence of operating production capacity, although actual capacity limits are not disclosed.
Product Q&A
Q:What is the measurement range of the noise sensor?
A:
The sensor measures noise levels ranging from 30dB to 130dB.
Q:What output signals does the sensor support?
A:
It supports 4-20mA analog output and RS485 Modbus RTU digital communication.
Q:Is the sensor suitable for outdoor use?
A:
Yes, it features an IP65 waterproof rating and is designed for outdoor ambient noise detection.
Q:What is the power supply requirement?
A:
The sensor operates on a wide voltage DC input of 10-30V.
Q:Can the product be customized?
A:
Yes, the product offers customization options for power supply, output signals, and other parameters.
Send Inquiry
*To:
Hefei Siko Instruments Co., Ltd.
Hefei Siko Instruments Co., Ltd.*Content:
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