4-in-1 Functionality: Simultaneously test soil pH (1–8), moisture (1–9), nutrient/fertility (1–9), and sunlight (0–2000 lux).
Advanced ATC: Automatic Temperature Compensation ensures data integrity regardless of environmental fluctuations.
Bright Backlit Display: Crystal-clear readings at any time—morning, dusk, or even in shaded greenhouses.
Ultimate Accuracy: 0.1 accuracy for pH and other parameters—verified in independent lab calibration tests.
Instant Results: Rapid detection (<5 seconds) so you can take immediate action for plant health.
Portable Design: Lightweight (90g), size 260x60x30mm—carry and test anywhere, anytime.
Durable Materials: Industrial ABS casing, professional copper probe, shock-resistant for extended use.
Probe Length: 165mm—deep readings for both shallow-rooted and deep-rooted plants.
Mode Selector: Dedicated switch lets you toggle among the four test types with a single thumb motion.
Battery-Free: Works entirely without batteries for ultimate convenience and sustainability.
Calibration Ready: Factory preset for 4.00 ph calibration, meeting international garden and agriculture standards.
Moisture Detection Ranges:
1–2: Low (succulents, cacti)
3–7: Optimal for most crops
8–9: Wet-loving plants (ferns, hydrangeas)
Nutrient Scale: 1–2 (poor), 2–8 (balanced), 8–9 (excessive, caution advised).
Light Intensity Measurement: Ranges from 0 (dark) to 2000 lux, with 500–2000 lux optimal for healthy plant growth.
pH Analysis: 1–8 scale, with color-coded segments for instant interpretation (neutral: 6.5–7.5).
Universal Applications: Effective in home gardens, greenhouse beds, large-scale farms, flower pots, lawns, and nurseries.
Efficient Water Management: Guides watering schedule with data-backed recommendations, saving water and preventing root rot.
Optimal Fertilization: Prevents under- or over-fertilization with real-time soil fertility feedback.
High Sensitivity Digital Technology: Fine-tuned sensors react instantly to environmental changes and soil composition.
Professional Plant Care: Enables evidence-based soil management for commercial agriculture and advanced gardening.
Intuitive Readings: Large digital numbers and visual cues for clear, stress-free operation.
Robust Construction: Drop-proof, splash-resistant, suitable for rugged fieldwork or backyard use.
Scientific Backing: Empowers gardeners with lab-level measurement tools for everyday use.
Application Flexibility: Use at various soil depths based on plant needs—recommended by horticulturists.
Environmentally Friendly: Reusable, battery-free, and made from recyclable materials.
Quality Control: Each unit tested for performance and accuracy before shipment.
Comprehensive English Manual: Troubleshooting, calibration, and usage guidelines included.
Moisture Reference Chart: Visual aid shows ideal values for different plant types.
Scientific Data: University studies prove crops at pH 6.5–7.5 absorb more nutrients and yield more produce; proper moisture range maximizes plant strength【18:6†YG-401英文说明书.pdf】.
Protective Storage: Instructions for safe cleaning and dry storage after use for long device life.
Optimal Use Tips: Avoid stones, extremely dry soil, or compacted spots for best measurement accuracy.
Visual Calibration Check: Integrated test marks for on-the-spot calibration confidence.
Color Guides: Soil, moisture, and light indicators color-coded for instant health assessment.
Quick Reference Legend: On-body chart for interpreting readings without manual lookup.
Multi-point Measurement: Move between test spots for best average and reliability in uneven soil.
Farming Optimization: Guides irrigation and fertilization for higher yields, lower disease rates, and more resilient crops.
Consumer Safety: Non-toxic materials, no risk to users or crops.
Upgrade Your Garden: Replace guesswork with data-driven decisions, all with a single, affordable tool.
Trusted by Professionals: Used in commercial agriculture, research stations, and award-winning gardens worldwide.




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