1. Wide pH Measurement Range: Covers 3–9 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.
| 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) |
Single gross weight: 0.800 KG
Single package size: 23X20X5 cm
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.





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
