Seeed Studio S-H2S-01 | Hydrogen Sulfide (H2S) Sensor (RS485 Modbus RTU)
The Seeed Studio S-H2S-01 is an RS485 electrochemical H2S gas sensor for wastewater and landfill sites.
- Range: 0-100 ppm with 0.1 ppm resolution
- Output: RS485 Modbus RTU
- Housing: IP65 for industrial sites
Seeed Studio S-H2S-01 | Hydrogen Sulfide (H2S) Sensor (RS485 Modbus RTU) is backordered and will ship as soon as it is back in stock.
VAT & Business Purchases
VAT & Business Purchases
Prices include VAT at the rate of your EU delivery country, so the price shown is the price you pay. EU businesses with a valid VAT number can buy VAT-free: enter your company name and VAT number at checkout and VAT is removed under the intra-community reverse-charge rules. Orders delivered within Cyprus always include Cyprus VAT.
Secure Payment & Warranty
Secure Payment & Warranty
- Encrypted Checkout: Shop with confidence via Shopify Payments or PayPal Express for fully secure, PCI-compliant transactions.
- 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.
- Warranty & Support: Consumer purchases are covered by the 2-year legal guarantee of conformity, and manufacturer warranty terms apply per brand. Our engineering team at shopioT provides technical support.
Delivery and Shipping
Delivery and Shipping
Tracked delivery within Cyprus by ACS Courier, and to all EU member states, the United Kingdom and Switzerland by FedEx International Priority. Orders ship from our warehouse in Nicosia, Cyprus, typically within 1–3 business days. Shipping cost is calculated at checkout by destination and parcel weight. See our Shipping Policy for rates and delivery times.
Seeed Studio S-H2S-01 | Hydrogen Sulfide (H2S) Sensor (RS485 Modbus...
Seeed Studio S-H2S-01 | Hydrogen Sulfide (H2S) Sensor (RS485 Modbus RTU) is backordered and will ship as soon as it is back in stock.
Description
Description
The Seeed Studio S-H2S-01 is an industrial-grade Hydrogen Sulfide gas sensor module designed to provide critical safety and process data in hazardous environments. Utilizing a high-performance electrochemical detection principle combined with an intelligent algorithm, this sensor offers high environmental adaptability and stable zero-point performance. It effectively monitors H2S concentrations, commonly known as "sewer gas," ensuring worker safety and equipment integrity in facilities prone to toxic gas accumulation.
Advanced Gas Analytics
Professional Use Cases
What is in the Box?
Product Certifications
Specifications
Specifications
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Primary Communication ProtocolRS485 / Modbus RTU
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Interfaces (I/O)RS485 (Modbus RTU)
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Configuration MethodModbus Commands
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Monitoring ParametersH2S (Hydrogen Sulfide), Temperature, Humidity
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Measurement Technology
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Measurement Range
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Measurement Accuracy
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Measurement Resolution
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Power SourceDC Input
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Power Input
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Power ConsumptionOperating current: < 5 mA, Power: 25 mW @ 5 VDC
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Enclosure MaterialPC (Polycarbonate), ASA Plastic (UV Stabilized)
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Mounting OptionsWall Mount, Pole Mount
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IP RatingIP65
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Environment RatingOutdoor, Industrial
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Operating Temperature-40°C to +55°C
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CertificationsRoHS
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Warranty2 Years
Document Library
Document Library
Payment & Security
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