H2S Hydrogen Sulfide Fixed Gas Detector Monitor - IECEx ATEX Hazardous Area Zone 1,2
H2S Hydrogen Sulfide Fixed Gas Detector Monitor - IECEx ATEX Hazardous Area Zone 1,2
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The SG100 H2S Hydrogen Sulfide Online Gas Detector, sets the stand in Ex rated explosion-proof gas detection. Engineered to endure and perform in the harsh challenges of the industrial environments with moisture, dirt, dust, corrosion, and vibration.
Harnessing equipment protection levels of Intrinsic Safety "ia", Flameproof "db". Suited for the most challenging hazardous atmospheric conditions found in industries such as oil and gas, marine, petrochemical, chemical, petroleum, manufacturing etc. Covered by the IECEx and ATEX certification, brings a compliant solution to hazardous areas.
Adopting intelligent pluggable fixed gas detector, which is easily for maintenance after installation and continuous monitoring of combustible, flammable and toxic gases, model dependant. Configured via 3-wire 4-20 mA analogue output with relays, and optional HART, RS485 Modbus protocol, making it compatible with most control systems. Additional magnetic wand design, it’s easier to navigate the control menu.
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Technical Datasheet
Shipping
We aim to process and get your delivery with you as quick as possible -
Shipping rates and delivery times are calculated at checkout.
Guarantee
We aim to provide you with the best quality products, if for an unfortunate product defect we have a 14 day money back return guarantee.
Warranty
• 1 year warranty from the date of purchase.
• Invoice or shipment bill is required to claim the warranty.
• The warranty policy only requires manufacturer to repair the defective product or send substitute for replacement.
• Installation labour, electricity cost and other related cost will not be covered by the manufacturer warranty policy.
• Warranty doesn't cover the defect caused by inappropriate use, especially if directions of the instructions for use are not observed, normal abrasion as well as failures which affect the value or use of the product insignificantly.
Please see our returns policy for more information.
Calibration
To ensure you keep up to date with your metrology requirements, by adding the traceable standards calibration test report certificate.
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Hazardous Area Certified
Certification
- IECEx CQM 23.0027X
Equipment Protection Level
IECEx
- Ex db IIC T6 Gb
- Ex db ia IIC T6 Gb (without LEL sensor)
- Ex da db ia IIC T6 Gb (with separaed certified LEL sensor)
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FEATURES
Modular gas chamber for maintenance simply and conveniently
- Plug and play air chamber module replacement.
- Two-key magnetic bar design, no need to open the cover, to achieve on-site maintenance and operation of the detector in any explosion-proof area.
- 24h continuously monitoring, data will real-time display.
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FEATURES
- Standard 4-20mA current signal, RS485 digital signal, 1 set of relay signal output
- Optional 2 groups of relay signals, voltage 1 ~ 5V, standard Hart
- Optional LORA, 4G and other wireless transmission.
- Can be installed with computer software, to transmit the data to computer, workers can remote monitor the data
- Die-cast aluminium case, IP66/67 protection degree, water-proof, dust-proof, explosion-proof.
Applications
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Oil & Gas
- Detects H₂S in underground pumping stations, where gas accumulates in confined spaces.
- Fixed detectors monitor digesters producing biogas that may contain dangerous H₂S levels.
- Tracks H₂S levels where organic waste breaks down, preventing excessive gas buildup.
- Protects maintenance workers entering confined spaces during routine inspections and cleaning.
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Water and Wastewater Treatment
- Installed near wellheads, drilling mud pits, and confined spaces to monitor H₂S gas from underground reservoirs.
- Detects gas releases during drilling operations, preventing hazardous exposure.
- Used in test separators, gas processing units, and wellheads to detect H₂S from crude oil and natural gas.
- Fixed detectors monitor processing areas where sour gas is treated, including dehydration, sweetening, and sulfur recovery units.
- Installed at valve stations and pigging stations where maintenance activities can release H₂S.
- Ensures safety during pipeline purging and depressurization.
- Used near catalytic cracking units, hydrocracking units, and sulfur recovery systems where H₂S is present.
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Mining
- Fixed H₂S detectors are installed in ventilation shafts, escape routes, and work areas.
- Provides real-time monitoring to prevent H₂S poisoning.
- H₂S is produced in metal extraction, especially in nickel, copper, and zinc smelting.
- Continuous monitoring ensures worker safety in enclosed processing units.
Hydrogen Sulfide Gas Safety Limits
Regulatory agencies, including OSHA (Occupational Safety and Health Administration), NIOSH (National Institute for Occupational Safety and Health), and ACGIH (American Conference of Governmental Industrial Hygienists), have established strict exposure limits for H₂S to protect workers from toxic exposure:
: 10 ppm (parts per million) for an 8-hour work shift.
: 10 ppm with a Ceiling Limit of 15 ppm.
: 100 ppm – Immediate evacuation is required.
: 1 ppm as an 8-hour TWA (Time-Weighted Average) to minimize health risks.
Add Calibration Service
Ensure to keep up to date with your metrology requirements, by adding the calibration test report certificate.
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Pre & Post After Sales Support
After Sales Support
We offer after sales support on all our products including
- Installation
- Configuration
- Maintenance
- Repair
- Calibration
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Calibration & Repair
Calibration ServicesOur accredited laboratory is tailored to conduct traceable standard calibrations and repairs on all our equipment.
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Characteristics of H2S
Hydrogen Sulfide (H₂S) is a highly toxic, flammable, and colorless gas with a characteristic rotten egg odor at low concentrations. It is commonly found in oil and gas production, wastewater treatment, petrochemical refineries, pulp and paper mills, and mining operations. Exposure to H₂S can cause serious health issues, ranging from eye and respiratory irritation at low levels to unconsciousness and death at higher concentrations. Because H₂S is heavier than air, it can accumulate in low-lying areas, increasing the risk of exposure in confined spaces.
Australian operated and owned.
Our Core Values
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UNPARALLELED SUCCESS
We embrace every challenge as a team with our expertise, and have a proven track record of success when we collaborate.
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WORK SMARTER NOT HARDER
In order to do great work, we need knowledgeable, well-trained individuals, combined with automation. We are dedicated to not only providing our team with top-notch training, but also world-class equipment to ensure we’re stay at the cutting edge of the industry.
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TAKE PRIDE
Since the beginning, we have always believed in the quality and longevity of the products we sell and service we provide, and are proud to offer our expertise to all industries.
