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Elster® GasLab Q2 Real-time Natural Gas Analyzer

Brand: Honeywell Process Solutions
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The GasLab Q2 is a gas quality analyser for natural gases, it is flame free, works quickly and continuously.

It determines the calorific value, Wobbe index and other parameters of the sample gas.

As opposed to the 'classic' gas chromatograph solution, the Honeywell Elster GasLab Q2 does not use carrier and mixed calibration gases or combustion air supply.

This translates into lower cost of ownership for the user.
Features
  • Determination of Main Gas Parameters: Calorific Value / Wobbe Index / Density / CO₂ Concentration / Methane Number etc.
  • Flameless, No Air or Carrier Gas Needed
  • Fast, Continuous Measurement
  • Easy Operation
  • Small Footprint: Low Investment and Maintenance Costs
  • Installation, Cost Saving Due to Easy Engineering and Commissioning
  • Less Downtime for Gas Turbine Installations
  • More Energy Efficient Turbine Control Because of Quick Response
  • Less Off-spec Gas for Blending Stations
  • Cleaner Burner Regulation
  • Optimized Emission of Processes
  • Better End Product Quality Control
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The GasLab Q2 is a gas quality analyser for natural gases, it is flame free, works quickly and continuously.

It determines the calorific value, Wobbe index and other parameters of the sample gas.

As opposed to the 'classic' gas chromatograph solution, the Honeywell Elster GasLab Q2 does not use carrier and mixed calibration gases or combustion air supply.

This translates into lower cost of ownership for the user.
Features
  • Determination of Main Gas Parameters: Calorific Value / Wobbe Index / Density / CO₂ Concentration / Methane Number etc.
  • Flameless, No Air or Carrier Gas Needed
  • Fast, Continuous Measurement
  • Easy Operation
  • Small Footprint: Low Investment and Maintenance Costs
  • Installation, Cost Saving Due to Easy Engineering and Commissioning
  • Less Downtime for Gas Turbine Installations
  • More Energy Efficient Turbine Control Because of Quick Response
  • Less Off-spec Gas for Blending Stations
  • Cleaner Burner Regulation
  • Optimized Emission of Processes
  • Better End Product Quality Control
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Specifications

Brand

Measurements and Ranges

  • According to ISO 6976, ASTM 3588, GPA 2172 at all known reference conditions
  • Gross Calorific Value
  • Standard Density
  • Wobbe Index
  • Carbon Dioxide Concentration
  • Dry/Wet/Saturated CV
  • Inferior CV and Wobbe
  • Methane Number
  • Ethane Plus Higher Alkanes (Sum)
  • Calculated Model Gas Composition

Measurement Uncertainty

  • Hs, Ws, r: ≤ 0.5 %, xCO₂: ≤ 0.2 mol %

Repeatability

  • Hs, Ws, r: ≤ 0.1 %, xCO₂: ≤ 0.1 mol %

Range of Appropriate Gases

  • Methane
  • Ethane and Higher Alkanes
  • Carbon Dioxide
  • Nitrogen
  • Oxygen
  • Hydrogen
  • Water (Gaseous)
  • Hydrogen Sulphide
  • Dust, Liquids

Calibration Gas

  • Methane (purity ≥ 3.5) with automatic calibration cycle

Gas Manifold

  • Integrated 2-channel double-block and bleed gas manifold for process and calibration gas

Operational Pressure / Consumption

  • Inlet pressure 7 to 72 psi, 0.7...11 scft/h (total including adjustable bypass flow)

Dynamics

  • Analysis rate f=1 Hz, reaction time t90≤ 10 s (90 % step response)

Power Supply

  • 24 Vdc ± 10 %, Max. 40 W (32 to +131° F), Max. 80 W (-13 to +131° F)

Environment

  • IP64, -13 to +131° F, 0-95 %RH (non-condensing)

Interfaces

  • 1x TCP/IP, 2x RS-485 interface, 4 digital outputs, 2 digital inputs, 4 analog outputs
  • Modbus via TCP/IP and serial

Data Logger

  • Integrated logging of measurements as mean values (e.g. on hourly basis) or current values. Integrated logging of measurement system status and external events

Operational Interface

  • 7-channel capacitive touch panel, internal web page accessible through web browser, PC software (enSuite) for configuration, data logging, display and archive retrieval

Safety Approvals

  • Zone 1: Ex II 2G Ex d IIC T4 Gb / Class I, Div. 2 Groups A, B, C, D, T4 (pending)

Metrological Approvals

  • NMi: OIML R140 Class A
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Applications

  • Fiscal Metering
  • Gas Turbine Control for Power Plants
  • Burner Control
  • Biogas
  • Gas Blending
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