Take the guesswork out of soil care with this 7-in-1 soil sensor. Get fast, accurate readings of moisture, temperature, pH, EC, and NPK. Built tough with IP68 waterproofing and stainless steel probes, ATO integrated soil sensor helps you grow healthier crops and boost yields with confidence.
Technical Specifications
| Specification |
Details |
| Model |
ATO-BSK-TR5.0-100 |
| Measurement Parameters |
EC, Moisture, Temperature, pH, NPK |
| Max. Power Consumption |
0.5 W |
| Ingress Protection Rating |
IP68 |
| Operating Temperature Range |
-20–60°C |
| Probe Material |
Corrosion-resistant special electrodes |
| Sealing Material |
Black flame-retardant epoxy resin |
| Default Cable Length |
1.5 m |
| Dimensions |
45 × 15 × 123 mm |
| Certification |
CE |
| Warranty |
12 months |
| Chip Operating Temperature Range |
Up to 85°C |
| EC |
Measurement Range |
0–20,000 µS/cm |
| Resolution |
1 µS/cm |
| Accuracy |
±3% FS (0–10,000 µS/cm); ±5% FS (10,000–20,000 µS/cm) |
| Temperature Compensation Range |
-20–50°C |
| Moisture |
Measurement Range |
0–100% |
| Resolution |
0.10% |
| Accuracy |
±2% (0–50%); ±3% (50–100%, loamy soil, 60%, 25°C) |
| Temperature |
Measurement Range |
-40–80°C |
| Resolution |
0.1°C |
| Accuracy |
±0.5°C (at 25°C) |
| pH |
Measurement Range |
3–10 pH |
| Resolution |
0.1 |
| Accuracy |
±0.3 pH |
| NPK |
Measurement Range |
1–1999 mg/kg (mg/L) |
| Resolution |
1 mg/kg (mg/L) |
| Accuracy |
±2% FS |
Features & Benefits
- High Accuracy: The 7-in-1 soil sensor uses advanced TDR technology to deliver accurate and stable readings, helping you make precise decisions for irrigation, fertilization, and soil management.
- Multi-Parameter Measurement: Measures soil moisture, temperature, pH, EC and NPK, helping you save time and avoid using multiple instruments.
- Durable and Waterproof: Built with 316 stainless steel probes and IP68 epoxy sealing, the ATO 7-in-one soil sensor resists rust, corrosion, and water ingress, making it ideal for outdoor and underground use.
- Fast and Reagent-Free: Provides instant readings without any reagents, allowing unlimited measurements and reducing operating costs.
- Impact-Resistant Electrodes: Specially treated alloy electrodes on the ATO-BSK-TR5.0-100 can withstand strong physical stress, minimizing the risk of damage during insertion or handling.
- Wide Application Range: Works in soil, fertigation systems, greenhouses, pastures, and grain storage, allowing you to track soil health and improve crop growth anywhere.
Size (unit: mm)

Wiring

Typical Applications
- Greenhouse Farming: Enables precise control of moisture, nutrients, and pH, helping growers improve yield and crop consistency.
- Flower and Horticulture Cultivation: Using the 7-in-1 Soil Sensor, you can maintain optimal soil conditions for sensitive plants, improving growth quality and appearance.
- Pasture and Grassland Management: Supports efficient soil monitoring across large areas, promoting healthier grass for livestock.
- Grain Storage and Soil Monitoring: Helps control moisture and temperature to prevent spoilage and maintain grain quality.
- Fertigation and Nutrient Solution Monitoring: The ATO integrated soil sensor accurately measures EC in water-fertilizer mixtures, ensuring proper nutrient balance for crops.
 7-in-1 Soil Sensor for Greenhouse Farming |
 7-in-1 Soil Sensor for Flower Cultivation |
 7-in-1 Soil Sensor for Grassland Management |
ATO-BSK-TR5.0-100 Interface Selection Guide
| Feature |
USB Version |
RS485 Version |
| Best For |
Single-sensor setup, easy PC connection, short-term monitoring |
Multi-sensor networks, long-distance wiring, industrial/greenhouse integration |
| Connection |
Direct USB plug to PC or laptop |
RS485 bus network, supports multiple sensors on one line |
| Recommended Use |
Quick testing, research, small greenhouse, personal use |
Industrial farms, large greenhouses, pasture monitoring, long-term installations |
| Pros |
Easy to set up, plug-and-play, works with PC software immediately |
Reliable over long distances, multiple sensors can share one network, industrial-grade stability |
| Cons |
Short cable, only single-sensor monitoring |
Requires compatible controller/data logger and wiring setup |
FAQ
Q1. Can I start using the industrial 7-in-1 soil sensor immediately?
Simply insert the sensor into the soil—no complex installation or external power needed. Supports USB or RS485 interfaces, allowing you to view, save, and export data instantly via computer or mobile app. Get started with soil monitoring right away.
Q2. Will measurements stay reliable in different conditions?
For dry or hard soils, pre-watering or drilling a small hole ensures the probe makes full contact with the soil. pH readings should be taken after a few minutes for stability, ensuring consistent and trustworthy data.
Q3. Is it suitable for long-term outdoor or greenhouse use?
The ATO-BSK-TR5.0-100 soil sensor is designed to handle outdoor and greenhouse environments. Proper placement and protective measures help maintain stable performance over time.
Q4. How can I ensure stable and consistent measurements?
Plan 7-in-1 soil sensor depth and placement carefully to avoid unrepresentative readings. Regularly check and clean the probes to maintain reliable long-term data trends.
Q5. What support is available if issues arise?
ATO provides professional technical guidance and reliable after-sales support, ensuring smooth deployment and long-term use with peace of mind.