Coming Soon Currently in pre-launch development Q4 2026
Sulfur Analysis Series
Model 810H2S-TS

Model 810H2S-TS Online Hydrogen Sulfide & Total Sulfur Tape Analyzer

Continuous H₂S and Total Sulfur measurement for industrial gas streams using lead-acetate tape detection and a dedicated heated conversion path.

Sensing Tape330 ft H₂S Sensing TapeBD-H2ST-330
Brand: Blue Dragon Technology Supply & support: Blue Dragon Technology
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Product Overview

Purpose-built measurement, clearly presented.

The Model 810H2S-TS is the dedicated Blue Dragon H₂S and Total Sulfur tape-analyzer configuration. Direct H₂S is measured by lead-acetate tape reaction-rate colorimetry, while the Total Sulfur path uses a heated hydrogen-conversion section to convert sulfur compounds to H₂S before tape detection.

The 810H2S-TS is a separate commercial model from the dedicated H₂S-only Model 810H2S.

Distinctive Capabilities

  • Continuous online H₂S monitoring
  • Single-stream or multi-stream operation
  • Automatic zero and span validation options
  • 4–20 mA, relay, Modbus, and Ethernet integration options
Performance & Technical Data

The measurement method and the values that matter.

How it measures

Measurement Principle

Direct H₂S is measured by lead-acetate tape reaction-rate colorimetry. In the Total Sulfur path, sulfur-containing compounds are converted to H₂S in a dedicated heated hydrogen reaction section. The resulting H₂S is then measured by the same optical tape detector, allowing the configured analyzer to report H₂S and Total Sulfur according to the selected measurement sequence.

Measurement ParametersHydrogen sulfide (H₂S) and Total Sulfur
Sample PhaseGas
Direct H₂S principleLead-acetate tape reaction-rate colorimetry
Total Sulfur principleHeated hydrogen conversion of sulfur compounds to H₂S before tape detection
H₂S rangesLow ppb through ppm; configured for the application
Total Sulfur rangesProject-specific; defined by the approved application configuration

Complete Technical Data

High-range service
Project-specific dilution where required
Typical H₂S response
Approximately 20–30 seconds to alarm or 90% step response, excluding sample transport
Measurement cycle
Configuration and selected measurement sequence dependent
Analog outputs
2 standard or up to 6 isolated 4–20 mA outputs, configuration dependent
Communications & Outputs
RS-485 Modbus; optional Ethernet/Modbus TCP and service interfaces
Installation
Project-specific backpanel, wall, rack, cabinet, or analyzer shelter
Utilities
Electrical supply and application-specific sample/calibration gases; hydrogen required for the Total Sulfur conversion path
Hazardous-area configuration
Project-specific certified configuration
Availability
Coming Soon — anticipated Q4 2026
Development notice

Product information shown on this page is preliminary. Final H₂S and Total Sulfur ranges, conversion-section design, performance, utilities, hazardous-area approvals, dimensions, sample-system scope, and order-specific configuration will be defined by the approved datasheet, certified drawings, analyzer nameplate, and supplied project documentation.

Lifecycle Consumables

Required Consumables

Routine operation of this analyzer uses the Blue Dragon consumable shown below. Follow the analyzer documentation and the consumable product page for the applicable replacement and storage requirements.

Industrial Use

Applications and industries.

Typical Applications

Hydrogen sulfide and Total Sulfur measurement in natural gasTotal Sulfur measurement in process and fuel gasLNG feed-gas and process monitoringNatural gas sweetening and treatment monitoringRefinery and petrochemical gas-stream sulfur monitoringHydrogen and synthesis-gas sulfur-quality monitoringGas-treatment and sulfur-recovery supportPipeline and midstream gas-quality monitoringHydrogen Sulfide MeasurementOnline Total Sulfur Measurement

Industries Served

Biogas & Renewable GasChemical ProcessingCoal & Coal ChemicalFertilizers & ChemicalsHydrogen & SyngasNatural Gas & LNGOil & GasPetrochemicalsPipelines & MidstreamRefiningSulfur Recovery & Gas Treating
Project Delivery

Project Integration & Support Scope

Blue Dragon reviews the measurement objective, interfaces, documentation, commissioning, and lifecycle requirements as part of project configuration. The scope below identifies the principal items to confirm before order placement.

Measurement Objective
Continuous online hydrogen sulfide and Total Sulfur measurement in gaseous process streams using direct lead-acetate tape detection for H2S and a dedicated heated hydrogen-conversion path for Total Sulfur.
Signal Outputs
Preliminary configurations provide two standard or up to six isolated 4-20 mA outputs, depending on the ordered H2S/Total Sulfur sequence and system. Relay outputs and service interfaces are configuration dependent.
Data Integration
RS-485 Modbus is planned as the standard digital interface, with optional Ethernet or Modbus TCP and service interfaces. DCS, PLC, SCADA, and historian mapping for H2S, Total Sulfur, status, and alarms must be defined for the approved project configuration.
Alarms & Diagnostics
Concentration alarms, analyzer faults, converter temperature/status, diagnostic status, relay count, fail-safe behavior, tape and sample-system status, and remote alarm mapping will be defined by the final approved datasheet and ordered configuration.
Documentation
The final project package is expected to include the approved datasheet, operating manual, sample-system and conversion-section drawings, utility schedule, I/O list, communication information, calibration procedures, hazardous-area documents where applicable, and FAT or SAT records.
Commissioning Support
Planned commissioning scope includes sample-system and vent checks, flow and pressure setup, tape and humidification checks, heated conversion-section and hydrogen-supply checks, zero and span validation, output and communication testing, alarm testing, response verification, and operator training.
Lifecycle Support
Planned lifecycle support includes H2S sensing tape, humidification consumables, sample filters, flow-path and conversion-section components, calibration gases, troubleshooting, spare parts, repairs, and long-term technical assistance.
Online Analyzer Configuration

Sample System & Online Analyzer Readiness

Reliable online measurement depends on the process interface as well as the analyzer. Confirm the following application data before final configuration and quotation.

Sample Type & Phase
Gas-phase samples for direct H2S and Total Sulfur measurement. The gas matrix must be reviewed for compatibility with the lead-acetate tape path and the dedicated heated hydrogen-conversion section.
Measurement Range
Confirm normal and maximum H2S and Total Sulfur concentrations, alarm points, required measurement sequence, and any high-concentration service. Project-specific dilution may be required.
Sample Conditions
Provide pressure, temperature, flow, moisture, condensate risk, particulates, corrosive components, sulfur-species profile, gas composition, adsorption risk, and contaminants that can affect tape chemistry, sample transport, or the conversion section.
Sample Handling
Define sample take-off, filtration, pressure and flow control, humidification, fast loop, stream selection, dilution, calibration routing, safe venting, and the dedicated heated conversion path used for Total Sulfur measurement.
Installation Area
Confirm backpanel, wall, rack, cabinet, or analyzer-shelter installation, ambient conditions, maintenance access, safe-area or hazardous-area classification, and required certification.
Utilities
Confirm electrical supply, sample gas, unrestricted safe vent, certified zero and span gases, hydrogen for the Total Sulfur conversion path, and instrument air or purge where required by the ordered installation.
Response Requirement
Define the required H2S and Total Sulfur update sequence, alarm response, process-control or quality-monitoring duty, and allowable sample-transport delay. Final response and cycle performance are configuration dependent.
Integration Requirement
Confirm the number and scaling of H2S and Total Sulfur 4-20 mA outputs, RS-485 Modbus settings, optional Ethernet or Modbus TCP, relay logic, DCS or PLC tags, historian requirements, and responsibility for wiring and signal mapping.
Commissioning Requirement
Verify the approved sample matrix and H2S/Total Sulfur ranges, sample conditioning, flow and pressure, safe venting, tape and humidification, heated conversion section, hydrogen supply, dilution if used, zero and span validation, outputs, communications, alarms, response, and handover documentation.
Application Engineering

Plan the application before commercial release.

Share the sample, measurement range, operating conditions, project location, and timeline. Blue Dragon Technology will review the application and recommend the appropriate configuration.

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