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ZONEWU Solar Soil pH Detector LoRaWAN Wireless Soil Acidity Testing System for Large Scale Farms

ZONEWU LoRa solar soil EC/PH/temperature and humidity sensor is an environmental monitoring device that integrates solar power supply and remote communication technology. Its core function is to collect real-time soil EC/PH/temperature and humidity data.

This device is powered by solar panels and equipped with lithium-ion batteries for energy storage, without the need for external power lines, making it particularly suitable for outdoor scenarios without power grids. Relying on LoRa low-power wide area network technology, its communication distance can reach several kilometers, and it can stably transmit data through complex terrain, greatly reducing wiring costs.

This technology is widely used in fields such as farmland, greenhouses, orchards, and ecological monitoring. It can accurately provide feedback on various soil parameters, provide data support for irrigation and fertilization, help achieve intelligent and refined soil environment management, and reduce resource waste.

  • Model No.:

    LW502S-PH
  • Use:

    detect parameters of the soil PH
  • Power Supply:

    Battery or External DC
  • LoRaWAN Mode:

    OTAA Class A/C
  • Certificates:

    CE,ROHS,FCC,ISO and 11 patents certifications
  • Customized Support:

    OEM, ODM
  • Warranty:

    1 Year
  • Product Detail

ZONEWU Solar Soil pH Detector  LoRaWAN Wireless Soil Acidity Testing System for Large Scale Farms 


Introducing the All-in-One Solar-Powered LoRa Soil pH Sensor — Your Reliable Wireless IoT Partner for Remote, Long-Term Soil Monitoring

  • Designed for the unique demands of off-grid field operations, this solar-powered wireless IoT sensor integrates three core functions: accurate data collection, real-time pH monitoring, and stable long-range wireless transmission — all in a single, rugged device. Built on proven electrochemical measurement principles and fully compliant with the standard LoRaWAN protocol, it delivers the high-precision, fast-response, and consistent output you need to analyze pH levels across all soil types, from acidic farmland to alkaline forest terrain.
  • Engineered for durability in harsh outdoor environments, the sensor is optimized for long-term buried use with exceptional electrolysis and corrosion resistance. Its advanced vacuum potting technology ensures full IP-grade waterproof performance, protecting internal components from moisture, mud, and chemical erosion — even in prolonged wet conditions. Aviation-grade connectors provide a secure, hassle-free link to LoRaWAN collectors, while LoRa technology enables reliable long-range, low-power wireless communication — perfect for covering large farms, remote forest plots, or sprawling geological survey areas without the need for frequent on-site checks.
  • What sets this sensor apart? Its integrated solar power system, which eliminates the hassle and cost of frequent battery replacements. This self-sustaining design ensures uninterrupted operation even in remote, off-grid locations, making it ideal for projects where power access is limited or non-existent.
  • Whether you’re optimizing crop health in precision agriculture, conducting ecological surveys in forestry, mapping soil conditions for geological exploration, managing greenhouse plant cultivation, monitoring water conservancy projects, or supporting environmental protection initiatives — this solar LoRa soil pH sensor is the all-purpose solution for any application requiring accurate, long-term soil pH measurement.


Key Features of the Solar Soil pH Sensor:

1. Wide pH Measurement Range: Covers 0–14 pH, compatible with all soil types for comprehensive monitoring.

2. High-Precision Electrochemical Sensing: ±0.1 pH accuracy and 0.01 pH resolution ensure reliable, granular data collection.

3. Solar-Powered, Battery-Free Operation: Eliminates battery replacement and cuts long-term maintenance costs.

4. LoRa Long-Range Wireless Transmission: Enables remote data access and minimizes on-site inspection visits.

5. High Integration & Easy Installation: Modular design reduces device complexity for hassle-free setup and operation.

6. Waterproof & Corrosion-Resistant Build: Withstands harsh outdoor conditions and prevents sensor damage.



LoRaWAN Solar Soil pH Sensor Specification:


Power Supply

Solar Powered + Li-ion Battery

LW504S Weight

230g

Work Environment

Temperature: -30 ℃ to 70 ℃; Humidity: ≤ 95% RH

Measuring Range

Humidity:0%RH-100%RH

0-50% inner soil 2%, 50-100% inner soil 3%

(brown soil, 60%. 25 ° C)

Temperature:-40°C~+80°C,±0.5℃(25°℃)

EC: 0-20000us/cm

Within the range of 0-10000 US/cm, it is ± 3%; Within the range of 10000-20000us/cm, it is ± 5%. (Brown soil, 60% RH, 25 ° C)

PH:3-9PH

Soil Sensor External Dimensions

45*15*127mm

Steel Needle Material

Stainless Steel

Sealing Material

Black flame retardant epoxy resin

Transmitter Line length

Default 2m (other lengths can be customized)

Frequency

CN470/IN865/EU868/RU864/US915/AU915/

KR920/AS923-1&2&3&4

Mode

OTAA  Class A(default)/C

Reporting cycle

≤5 years (Depending on the reporting cycle)

Note: Due to the high power consumption of soil sensor, it is not recommended to use short-term data reports for a long time

Communication Protocol

LoRaWAN,LoRa TDMA Networking

Equipment information

(Reference)

AppEUI:0000000000000001

DevEUI:aaaa202404150001

AppKey:00001111222233334444555566667777

MAC Version:LoRaWAN 1.0.3

Warranty period

1 year(PH elements are not guaranteed)


Packaging:


Single gross weight:  0.800 KG

Single package size: 23X20X5 cm



Product Applications: :


1.High precision: accurately measure the slightest changes in soil PH, with a wide measurement range.

2.It meets the requirements of long-term agricultural monitoring and reduces operational and maintenance costs associated with frequent power replacement.

3.Features battery-powered design, compatible with outdoor deployment scenarios without external power sources. 

4.Low - power wireless transmission: use LoRa technology for long - range, low - power data transmission, reducing energy consumption.

5.Strong environmental adaptability: withstand harsh outdoor conditions such as rain, dust, and extreme temperatures.

6.Easy installation and deployment: quick setup with an aviation connector and flexible placement in various soil monitoring scenarios.




Product Description: 







Application


The sensor is mainly oriented to smart agriculture and ecological monitoring scenarios, with strong adaptability to different scales and types of application needs:

1. Large-Scale Field Crop Planting

2. Greenhouse Horticulture & Protected Agriculture

3. Orchard & Fruit Tree Planting

4. Small-Scale Planting & Family Farms

5. Agricultural Scientific Research & Experiment

6. Ecological Restoration & Environmental Monitoring





Production Process:



factory of water ec sensor manufacturer



Why choose us:


1. Strong R & D: 30+ Senior experts and highly educated personnel formed a R & D team, heavy investment, master a number of core technologies and patents.
2. Professional and effective solutions: for smart environmental protection, agriculture and other fields, to provide customized compound networking solutions.
3. Full range of products: covering the whole industry chain products from data collection to platform services to meet diverse needs.
4. Excellent quality: we have perfect quality control system, strictly quality control each production link, low defective rate. 
5. Good service: 7×24 hours fast response, Professional pre-sale, sale, after-sales team support.

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