IP66 IP68 H2S Gas Detector with IECEx ATEX Explosion Proof and Electrochemical Sensor for Hydrogen Sulfide Monitoring

The SG100 is a cost-effective, IECEx & ATEX-certified explosion-proof fixed online gas transmitter for hydrogen sulfide (H2S) monitoring — one of the most commonly measured toxic gases across industries. It adopts an electrochemical sensor with optional measuring ranges of 0–50 / 100 / 200 ppm and selectable resolution of 0.1 ppm / 1 ppm.

Featuring IP66/IP68 ingress protection, an intelligent plug-and-play sensor module, multiple standard signal outputs and optional wireless transmission, it supports magnetic remote control. This unit simplifies field installation and routine maintenance and delivers reliable 24-hour continuous gas-concentration monitoring for oil-and-gas sites, sewage plants and other industrial facilities.

Hydrogen sulfide is a highly toxic, corrosive gas with a rotten-egg odor, frequently encountered in oil-and-gas extraction, sewage treatment, landfill and mining operations. Even short-term exposure to elevated H2S concentrations may cause respiratory injury or loss of consciousness. Continuous fixed-point monitoring provides early leakage alerts and protects on-site operators against H2S occupational hazards.

• Intelligent plug-and-play sensor module with PC-software-supported calibration for easy field replacement.
• IP66/IP68 enclosure with standard splash guard included for outdoor and damp industrial locations.
• Supports 2-wire / 3-wire 4–20 mA and RS485 Modbus, compatible with mainstream PLC/DCS systems.
• Optional HART, LoRa and 4G wireless modules for remote data viewing and downloading.
• Optional 3-relay assembly to actuate external alarm lamps, horns and ventilation interlock devices.
• Magnetic non-contact operation enables safe parameter setup inside hazardous zones.
• Supplied with mounting bracket for fast on-site wall-mount installation.
• Multiple housing-material choices to suit different corrosive working environments.

• Oil-and-gas production site H2S leakage continuous monitoring
• Sewage-treatment-plant toxic-gas safety supervision
• Landfill and biogas-processing facility gas detection
• Mining-site hydrogen sulfide early warning
• Petrochemical-refinery process-area monitoring
• Tunnel and sewer-maintenance peripheral gas inspection

Shenzhen YuanTe Technology Co., Ltd. (brand: Safegas) was established in 2010 and specializes in the R&D, manufacturing and sales of gas detection equipment and integrated systems. With over 16 years of industry expertise, the company serves sectors including oil & gas, chemicals, environmental protection, electronics, municipal engineering, agriculture and household appliances.

All products are manufactured under ISO9001 and ISO45001 management systems and hold international certifications such as IECEx, ATEX and EMC. With an annual production capacity of over 80,000 units, YuanTe Technology supplies gas detection solutions to customers worldwide.