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Product function
Soil NPK Sensor. Manufacturer model NBL-S-NPK.
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Third-party supplier: NiuBoL. Soil NPK Sensor. Configuration confirmed by quotation.
Features & Benefits
Core capabilities and practical value for deployment.
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Technical data for selection
Review the source-specific ranges, interfaces and operating conditions below when specifying your required configuration.
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Supplier-stated power supply
DC12V/ DC12-24V
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Configuration notes included
The overview and specification table retain supplier-document differences and applicable measurement limitations.
Included Capabilities
- Stated product function
- Configuration selection
Customer Benefits
- Specifications available for comparison
- Configuration captured in the request
Technical Specifications
Detailed technical data for evaluation and system integration.
Current technical specifications
| Supplier-stated N/P/K range | 0–2,000 mg/kg |
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| Resolution (source units) | 1 mg/kg (mg/L, as printed) |
| N/P/K indicator accuracy (supplier claim, not chemical-analysis accuracy) | ±2% FS |
| Power supply alternatives | DC 12 V / DC 12–24 V |
| Output | RS485 |
| Dimensions | 45 × 15 × 135 mm |
| Working temperature | −40 to 85 °C |
| Sealing material | Black epoxy |
| Protection class (supplier statement) | IP68 |
Important configuration and measurement notes
| Note1 | The sensor measures soil electrical conductivity and calculates N/P/K indicators; it does not directly measure the chemical concentrations of individual nutrients. |
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| Note2 | Resolution units are printed as mg/kg(mg/L); confirm the applicable medium and unit. |
| Note3 | The current sheet specifies 12 V/12–24 V; an earlier catalogue also mentions 5–24 V. Confirm the ordered power configuration. |
Applications
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Agricultural observations
Collect the stated plant or soil measurements for an agricultural monitoring project.
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Research and integration trials
Evaluate the selected configuration against reference measurements before interpreting the data for a particular study.
Available Configurations
Configuration-specific availability and pricing.
Soil NPK Sensor — quotation configuration
Specify the required model/configuration and confirm included components, compatibility, price, availability, delivery and warranty in the quotation.
Quotation requiredDocumentation & Downloads
NiuBoL NBL-S-NPK — Soil N/P/K Indicator Sensor — Current English Datasheet (2 Nov 2026)Datasheet
Compiled 2026-11-02enpublicOpenCompatibility & Ecosystem
Products, accessories, gateways and software designed to work with this product.
Compatibility information is being prepared.
Please contact Adaptive AgroTech to confirm accessories, gateways, software, or integration requirements for this product.
Please contact Adaptive AgroTech to confirm accessories, gateways, software, or integration requirements for this product.
Technical Support
Support for product selection, deployment, integration and continued operation.
Discuss your deployment
Share your application, sensing requirements, environment and expected integration scope with our engineering team.
Contact Adaptive AgroTechSupport Options
- Installation and commissioning
- Calibration and repair
- Remote diagnostics
- Training and integration
How do I request this product?
Add it to the quotation basket and state the model, quantity, required configuration and intended measurement task. Price, availability, delivery and warranty are confirmed in the quotation.
Which specifications apply to the supplied version?
Use the specification group for the selected source/configuration and review the confirmation notes. Where supplier files disagree, the exact version must be confirmed before ordering.
Are power, cabling and other accessories included?
The supplied source files do not establish a universal package of included accessories. Confirm the required power, interface, mounting and cable options in the quotation.
What measurement or configuration limitations should I check?
N/P/K values are calculated from soil electrical conductivity; they are estimates and are not direct measurements of actual soil nutrient concentrations. N/P/K outputs are conductivity-derived estimates, not direct measurements of actual soil nutrient concentrations.
Project Sales
Request a Formal Quotation
Add the required product configuration to your cart, then send the complete selection to Adaptive AgroTech sales. Custom sensors, quantities, installation, training and integration requirements can all be included.
Build your quotation from the cart
Your selected configuration and quantity will be carried into the quotation request automatically.
Open Cart & Request Quote