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Seeed Studio  |  SKU: 101990862
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Seeed Studio S-NH3-01 | Industrial RS485 Ammonia (NH3) Gas Sensor

Sale price €179,00 Regular price €199,00
Shipping calculated at checkout.

A professional-grade electrochemical sensor designed for the continuous detection of ammonia concentrations in high-corrosion industrial and agricultural environments.

  • Solid Polymer Technology: Robust electrochemical detection for long-term stability.
  • Industry Standard: RS485 Modbus RTU interface for easy system integration.
  • Extreme Durability: Wide operating range from -40°C to 50°C.

Secure Payment & Warranty

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  • B2B Flexible Billing: For large-scale infrastructure orders, we offer Direct Bank Transfer (SEPA/SWIFT) options. Please contact our team for a pro-forma invoice.
  • Quality Guaranteed: All professional IoT hardware is backed by a 2-year manufacturer warranty and technical support from our engineering experts at shopioT.

Delivery and Shipping

Reliable, tracked, and fast global shipping via FedEx Express. Your professional IoT hardware is dispatched from our EU-based warehouse within 2 business days.

Precision IoT Hardware Backed by Real Technical Expertise.

Description

The Seeed Studio S-NH3-01 is a high-performance RS485 Ammonia Sensor specifically engineered for the rigorous demands of smart farming and industrial safety. Utilizing advanced solid polymer electrochemical technology, this sensor provides stable and accurate NH3 measurements without the electrolyte consumption issues found in traditional liquid sensors. Designed for high-concentration environments, it effectively monitors toxic gas levels to ensure animal welfare and worker safety. With its industry-standard Modbus RTU protocol, the S-NH3-01 integrates seamlessly into existing automation systems, PLC networks, or wireless IoT data loggers.

Professional Gas Intelligence

Anti-Corrosion Design Specifically built to withstand long-term exposure to high ammonia concentrations, typical in poultry and livestock farming.
High Accuracy Sensing Delivers precise readings with minimal cross-sensitivity to other gases, ensuring data reliability for environmental compliance.

Industrial Monitoring Scenarios

Poultry & Livestock: Monitor ammonia levels in animal housing to optimize ventilation and protect livestock health.
Waste Management: Track gas emissions in landfills and treatment plants for environmental and safety monitoring.
Cold Storage: Detect leaks in industrial refrigeration systems that utilize ammonia as a refrigerant.

What is in the Box?

1 x Seeed Studio S-NH3-01 Sensor
1 x Aviation Connector Cable (Standard)
1 x Quick Start Guide / Calibration Certificate

Product Certifications

CE FCC RoHS IP65

Specifications

  • Primary Communication Protocol
    Modbus RTU (RS485)
  • Configuration Method
    Modbus Commands
  • Activation Method
    Plug & Play
  • Environment Rating
    Outdoor, Industrial
  • IP Rating
    IP65
  • Operating Temperature
    -40°C to 50°C
  • Enclosure Material
    ASA Plastic (UV Stabilized)
  • Power Consumption
    0.05 W (Typical)
  • Measurement Technology
    • Sensing Method: Solid polymer electrochemical detection
    • Robustness: High resistance to sensor poisoning and long-term exposure to high NH3 levels
  • Measurement Range
    • Detection Range: 0 to 100 ppm (Standard) / Up to 500 ppm (Extended)
    • Storage Temperature: -40°C to +55°C
  • Measurement Accuracy
    • Accuracy: ±5% FS (at 25°C)
    • Repeatability: <2% of output value
    • Long-term Drift: <1% / month
  • Measurement Resolution
    • Resolution: 0.1 ppm
    • Response Time (T90): < 60 seconds
    • Warm-up Time: < 120 seconds
  • Monitoring Parameters
    NH3 (Ammonia), Temperature, Humidity

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