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    Hydrogen Sulfide (H2S) Monitor, 0 to 50/100/200 ppm

    With a measure range of 0 to 50 ppm, 0 to 100 ppm, 0 to 200 ppm, h2s detector offers the flexibility you need. Optional low alarm, high alarm ,working temperature -20℃~50℃, with a swift response time of under 10 seconds, you'll receive timely data.
    SKU: GD800-H2S
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    The H2S monitor offers a reliable measurement range from 0 to 100 ppm, allowing you to accurately track H2S levels in your environment. Whether you need to monitor H2S levels in industrial settings, wastewater treatment plants, or confined spaces, our monitor is adaptable to various applications.


    Model GD800-H2S
    Detected gas H2S
    Sampling method Diffusion
    Range (optional)
    0-50ppm, 0-10ppm, 0-200ppm
    Response time ≤10S
    Principle Electrochemical principle
    Alarm mode Sound, light, vibration alarm, high and low alarm values can be set by yourself
    Alarm type Low alarm, high alarm, STEL, TWA, low battery
    Explosion-proof grade ExiaIICT4Ga
    Protection class IP68
    Working temperature -20℃~55℃
    Working humidity 0-95%RH (non-condensing)
    Working air pressure 86~106kpa
    Dimensions 90*60*33mm (length*width*thickness)
    Weight Weight 125g


    • Rugged and Secure Design: H2S monitor is built to withstand challenging environments, with an IP68 protection rating that makes it splash-proof, dust-proof, explosion-proof, and shock-proof. Its intrinsically safe circuit design enhances safety in hazardous locations.
    • Customizable Alarm Settings: Throughout the device's lifespan, users have the flexibility to set alarm thresholds according to their specific needs. These settings include high point alarm, low point alarm, TWA, and STEL.
    • Enhanced Safety Features: H2S monitor features an automatic self-test function that continuously verifies its operational status, enhancing safety by providing ongoing self-assessment and reliability in safety-critical situations.
    • Exceptional Battery Life: With remarkably low power consumption, this detector offers a prolonged standby time of up to 2 years, eliminating the need for battery replacement.
    • Maintenance-Free Operation: H2S detector operates continuously without the need for calibration, sensor replacements, or battery charging, ensuring a hassle-free user experience.
    • User-Friendly and Portable: Designed with user-friendliness in mind, the device is compact and lightweight. It features an intuitive two-button operation that minimizes the need for extensive training.
    • Robust Alarm System: The device's alarm system includes an ultra-loud buzzer, two bright red LEDs for both upper and lower alarms, and a combination of sound, light, and vibration alerts. These features ensure that workers are quickly and effectively alerted to potential hazards.
    • Cost-Effective Solution: This detector is not only affordable but also offers a low total cost of ownership, making it a financially prudent choice.
    • Excellent Portability: With its small size and lightweight build, the device is highly portable, allowing for easy transport and deployment.
    • Durability: Crafted from high-strength materials, the device is designed to withstand harsh environmental conditions while ensuring user comfort and longevity.


    Mini portable oxygen gas detector structureApplications

    Hydrogen sulfide application

    Tips: Why is H2S monitor important?

    1. Safety of Personnel: H2S is a highly toxic gas. Even at low concentrations, exposure to H2S can lead to various health problems, ranging from eye and respiratory irritation to more severe effects, such as nausea, dizziness, and in extreme cases, unconsciousness or even death. By monitoring H2S levels, you can ensure the safety of workers and prevent them from being exposed to hazardous concentrations.

    2. Legal and Regulatory Compliance: Many industries are subject to strict regulations regarding H2S exposure limits. Regulatory bodies set permissible exposure limits (PELs) to protect workers and the environment. Monitoring H2S is essential to maintain compliance with these regulations, helping to avoid legal consequences and fines for non-compliance.

    3. Emergency Response and Evacuation: In cases of sudden gas releases, such as leaks or chemical spills, an H2S monitor provides early detection, allowing for swift emergency responses. Evacuations and other safety measures can be initiated promptly, potentially preventing accidents or injuries.
    4. Health Surveillance: Regular monitoring provides data that can be used for health surveillance programs. It helps in tracking the long-term effects of H2S exposure on workers, enabling early intervention and health management.
    5. Confined Space Entry: In confined space work, where H2S can accumulate and pose immediate threats, monitoring is a fundamental safety practice. It allows personnel to confirm that conditions are safe for entry and to continuously assess the environment during work.
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