Hydrogen Sulfide Measurement
Measure hydrogen sulfide specifically in representative gas samples to support treatment performance, gas quality, process monitoring, and operational protection.

Targeted H2S measurement for gas and process applications
Hydrogen sulfide is often measured separately from total sulfur because the operating decision depends on H2S concentration itself. Applications include gas sweetening, natural-gas quality, refinery and petrochemical gas systems, process treatment, product monitoring, and selected safety-related process measurements.
The analyzer and sample system must be selected for the expected range, gas composition, pressure, moisture, condensables, response time, materials, calibration strategy, and area classification.
What the application needs to establish
Determine hydrogen sulfide concentration in a representative gas sample with sufficient specificity, range, and response for the treatment, quality, or operating decision.
Why the measurement matters
Treatment control
Evaluate sweetening, scavenging, adsorption, or other H2S-removal processes.
Gas quality
Support product, transfer, or downstream gas-quality requirements.
Equipment protection
Identify H2S conditions that may contribute to corrosion or process risk.
Operational response
Provide timely indication of changing feed or treatment performance.
Process understanding
Separate the H2S contribution from broader total-sulfur measurement.
How the measurement is approached
The Model 810H2S platform uses a treated sensing-tape approach for specific hydrogen-sulfide response, with the final range, sample handling, optical detection, tape management, and total-sulfur option confirmed for the delivered configuration.
Typical operating locations
- Natural-gas sweetening inlet and outlet streams
- Refinery and petrochemical process-gas systems
- Fuel-gas and product-gas monitoring
- Gas-treatment and scavenger systems
- Biogas and renewable-gas treatment
- Analyzer shelters and packaged sample systems
Instrument-selection considerations
- Expected H2S range and normal variability
- Gas composition, moisture, aerosols, and condensables
- Pressure reduction and sample transport
- Required response time and alarm or control use
- Calibration gas, verification, and maintenance frequency
- Sensing-tape life and consumable planning
- Area classification, utilities, shelter, and ventilation
Where this application is used.
Petrochemicals
Measurement systems for petrochemical feedstocks, reaction processes, fired equipment, utilities, effluent, gas flow, and material quality.
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Natural Gas & LNG
Measurement solutions for gas processing, sweetening, liquefaction, LNG quality, gas flow, utilities, and materials verification.
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Fertilizers & Chemicals
Analytical and engineered measurement systems for feedstocks, process gases, reactors, utilities, effluent, flow, and material quality.
Explore →Relevant measurement capabilities.
Explore the permanent Blue Dragon capability areas associated with this industry or application.
Sulfur Analysis Series
Online analyzers for total sulfur, hydrogen sulfide, sulfur ratio, and sulfur recovery unit process monitoring.
Explore series →Suitable instruments for this application.
Coming Soon
Model 810H2S Online Hydrogen Sulfide Tape Analyzer with Total Sulfur Option
Online H₂S tape analyzer for continuous process-gas monitoring, with an optional heated conversion path for selectable total sulfur measurement.
View instrumentRelated applications.
Online Total Sulfur Measurement
Continuous total-sulfur measurement for representative liquid or gas samples in process, product-quality, and treatment applications.
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Sulfur Recovery & Tail Gas Monitoring
Process-gas measurement for sulfur recovery, tail-gas treatment, sulfur-ratio control, and plant optimization.
Explore →Application questions.
Why measure H2S separately from total sulfur?
A total-sulfur result combines sulfur species, while an H2S analyzer targets hydrogen sulfide specifically. Process treatment, gas quality, corrosion, or handling decisions may require the H2S value.
What sample information is needed?
Provide gas composition, expected H2S range, pressure, temperature, moisture, condensables, particulates, sample location, transport distance, and required response time.
Does a sensing-tape analyzer require consumables?
Yes. Tape usage and replacement depend on the analyzer design, range, exposure, duty cycle, and maintenance plan. Consumable access should be included in the application review.
Can the H2S analyzer include total sulfur measurement?
A total-sulfur option may be available for the Model 810H2S configuration. The final arrangement, range, sample system, and measurement sequence must be confirmed.
Discuss your hydrogen sulfide measurement requirement.
Share the gas composition, expected H2S range, pressure and temperature, moisture and condensables, response-time requirement, area classification, and maintenance expectations.