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4-20mA Modbus Temperature Humidity Soil Moisture Sensor for Greenhouse and Irrigation
US$90.00
2-8 Pieces
US$40.00
9+ Pieces
Sample price:US$40.00/piece.Request sample
Product profile
Customization
AvailableType
Soil Temperature Humidity pH NPK Integrated SensorMeasuring Medium
Soil Temperature Humidity pH NPK Integrated SensorModel NO.
HG-SODisplay Type
LEDSite Display
Not Site DisplayAccuracy
0-100%R.HIP Rating
IP68Certification
CECustomized
CustomizedpH Range
3-9 pHTemperature Range
-40-80 Deg.CMoisture Range
0-100%RhConductivity Range (Ec)
0-10000 Us/CmNPK Range
0-1999 Mg/KgPower
DC 12-24VOutput
RS 485 Mod_Bus RTUTemperature Accuracy
0.5 Deg.CTemperature Resolution
0.1 Deg.CMoisture Accuracy
3% in The 0-53% Range / 5% in The 53-100% RangeMoisture Resolution
0.10%Conductivity Resolution
10 Us/CmpH Resolution
0.01 pHNPK Accuracy
2%F.SProtection
IP 68Transport Package
2kgSpecification
20*15*15cmTrademark
Siko InstrumentsOrigin
ChinaHS Code
9025191010Production Capacity
999 Units / WeeksKey features
7-in-1 Soil Analysis: Simultaneously measures pH, temperature, moisture, conductivity, N, P, and K.
High Precision & Stability: Fast response with stable output, less affected by soil salt content.
IP68 Waterproof Design: Vacuum potting ensures complete waterproofing and long-term burial durability.
Corrosion Resistant: Resistant to long-term electrolysis and corrosion in harsh soil environments.
RS485 Modbus Output: Standard RS485 Modbus RTU interface for easy integration with control systems.
Versatile Installation: Supports fully embedded or probe insertion methods for various soil types.
CE Certified Quality: Meets CE certification standards for safety and performance reliability.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤3.97h
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 parameters does this sensor measure?
A:
It measures seven parameters: soil temperature, moisture, pH, conductivity (EC), nitrogen, phosphorus, and potassium.
Q:Is the sensor waterproof?
A:
Yes, it features IP68 protection with vacuum potting, making it completely waterproof and suitable for long-term burial in soil.
Q:What is the output signal type?
A:
The sensor outputs RS485 Modbus RTU signals, compatible with standard industrial control systems.
Q:What is the power supply requirement?
A:
It requires a DC 12-24V power supply for operation.
Q:Can the sensor be customized?
A:
Yes, the product is customized, allowing for specific ranges and configurations based on customer needs.
Send Inquiry
*To:
Hefei Siko Instruments Co., Ltd.
Hefei Siko Instruments Co., Ltd.*Content:
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