8 in 1 NPK Soil Sensor Probe | Yieryi

$120.00 $85.00 SAVE 29%
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Description
Measures Temperature, moisture, pH, EC, salinity, N, P, K (8 parameters)
Soil temperature range −40°C to 80°C
Moisture range 0–100%
pH range 3–10 pH
EC range 0–20000 µS/cm
Salinity range 0–20000 mg/L
N / P / K range 0–1999 mg/kg each, estimated from conductivity (directional)
Connection USB to Android / HarmonyOS phone, app monitoring
Accuracy (pH / EC) pH ±0.2; EC ±3%
Water resistance IP68, safe for continuous soil insertion
Power DC 5V via USB (phone or USB power source), max 0.5W
Specs
  • Measures: Temperature, moisture, pH, EC, salinity, N, P, K (8 parameters)
  • Soil temperature range: −40°C to 80°C
  • Moisture range: 0–100%
  • pH range: 3–10 pH
  • EC range: 0–20000 μS/cm
  • Salinity range: 0–20000 mg/L
  • N / P / K range: 0–1999 mg/kg each, estimated from conductivity (directional)
  • Connection: USB to Android / HarmonyOS phone, app monitoring
  • Accuracy (pH / EC): pH ±0.2; EC ±3%
  • Water resistance: IP68, safe for continuous soil insertion
  • Power: DC 5V via USB (phone or USB power source), max 0.5W
Applications

How to use it

  1. Make sure the soil is moist — dry soil gives unreliable pH, EC, and NPK readings.
  2. Insert the probe into the root zone and connect it to your phone.
  3. Read the values in the app; treat NPK as low / medium / high trends.
  4. Act on what is clearly off — water, pH, or feeding — then recheck in a week.

Where it works best
Garden soil, raised beds, containers, greenhouses, and indoor plants. It is a screening tool for everyday use, not a replacement for a lab test when you need exact nutrient figures.

Shipping & Returns

Shipping Policy

  • Orders are processed within 1-2 business days (excluding weekends and holidays).
  • Free shipping is available for the United States, select European countries, and various Asian regions, with a delivery timeframe of 7-20 business days.
  • Duties and taxes are not included and will be collected by the carrier at delivery.
  • Upon shipment, you’ll receive a tracking number via email for real-time updates.

Return Policy

  • We offer a 7-day return policy, starting from the day you receive your item.
  • Items must be unused, in their original condition with tags and packaging, and accompanied by proof of purchase.

Shipping Costs for Returns:

  • Quality Issues: We cover the return shipping costs.
  • Personal Reasons: Customers cover the return shipping costs.

Non-Returnable Items:

  • Used or worn products.
  • Sale/discounted/promotional items.
  • Gift cards.

Refund Process:

  • Refunds will be processed through your original payment method within 5-8 business days after approval.

Frequently Bought Together

Total price:$422.88 $335.88

All-in-One Soil Health Detector

With 8-in-1 detection capability, this soil tool covers everything from pH to nutrients in one simple probe. Instead of buying multiple devices, you get a complete soil health check in seconds. It’s the fastest way to fix common plant issues like weak growth or nutrient deficiency.

Quick App Setup, No Tech Hassle

Download the dedicated app and get started in minutes—no complex setup required. Compatible with Android and HarmonyOS, the app ensures smooth monitoring even for non-tech users. Stop wasting time on complicated gadgets; this soil analyzer makes advanced soil care accessible to everyone.

Instant Soil Insights on Your Phone

Connect the soil sensor directly to your Android device and instantly view live soil conditions. Say goodbye to guesswork—whether you struggle with overwatering or under-fertilizing, this plug-and-play system delivers clear data to help you keep your plants thriving. Perfect for modern gardening and sustainable farming.

Effortless Data Export for Smarter Growing

Track and save your soil reports directly on your phone with easy Excel export. No more messy notes or forgotten readings—now you can analyze soil changes over time and make data-driven decisions to improve yields. This is the ultimate upgrade for growers who want accuracy and convenience in one tool.

4.5 ( 17  Reviews )

FAQ

What exactly does the 8-in-1 soil sensor measure?

It tracks eight key soil parameters—temperature, moisture, EC (electrical conductivity), salinity, pH, and NPK (nitrogen, phosphorus, potassium)—all in one compact device.

How accurate are NPK readings using this sensor?

NPK values are calculated based on soil conductivity via empirical algorithms, so they provide a useful reference rather than precise lab-level measurements.

Is the sensor waterproof and suitable for long-term use in soil?

Yes, it features a waterproof and corrosion-resistant design (IP67~IP68), making it safe for continuous soil insertion and reliable outdoor use.

Can I use this sensor with my iPhone or only Android?

It supports Android and HarmonyOS devices via USB; however, Apple iOS compatibility is not currently supported.

How do I view and track the data collected by the sensor?

The sensor connects directly to your phone via USB—no extra power needed—and the companion app offers real-time monitoring, data export (e.g., Excel), and history tracking.

Will the readings be fast and responsive?

Yes, using FDR (frequency domain reflectometry) for moisture and advanced sensors for other parameters, the device delivers quick and stable readings optimized for precision farming.

Monitor soil conditions

High Accuracy Readings

Ensure precise for reliable results in every application, from gardent testing to agriculture.

Durable & Reliable Design

Built with high-quality materials, our pH meters are designed to withstand rigorous use, offering long-lasting performance you can trust.

check soil nutrients

User-Friendly Interface

Featuring intuitive controls and a clear display, our pH meters make testing effortless, even for beginners.