Clarity software - NGA (Natural Gas Analysis) Extension

NGA Extension is a software module for natural gas and liquefied petroleum gas data processing. You no longer need an external tool for gas properties calculations since Clarity contains the complete workflow of data acquisition, peak calibration, reporting, and gas properties calculations based on supported norms. It is possible to perform summary calculations of gas properties from multiple signals and chromatograms.

• Calculates gas properties in compliance with internationally recognized standards ISO 6976-95, ASTM D 3588-98, GPA 2172-09 for Natural Gas or ASTM D 2421-02, ASTM D 2598-02, ISO 8973-97 / EN589-04 for Liquefied Petroleum Gas.
• The gas properties can be calculated across multiple signals and even across multiple chromatograms.
• It is possible to include additional norms based on customers feedback.
• NGA Extension is an optional addition to Clarity software, it cannot be used as a standalone program.

DataApex -Clarity NGA Extension

Features - calculated properties according to norms

ISO 6976-95

• Compression Factor (for real gas only)
• Mean Molecular Weight
• Relative Density
• Density
• Superior Calorific Value
• Inferior Calorific Value
• Wobbe Index

ISO 6976-16 / ISO 6976-95 Natural gas: Calculation of calorific values, density, relative density, and Wobbe index from composition.

ISO 8973-97 / EN589-04

• Absolute Vapour Pressure (for Molar and Mass Percent only)
• Gauge Vapour Pressure (for Molar and Mass Percent only)
• Octane Number

ISO 8973-97 / EN 589+A1: Standards for calculation methods for density and vapor pressure in liquefied petroleum gases.

DataApex: Clarity software - NGA (Natural Gas Analysis) Extension

ASTM D 3588-98 and GPA 2172-09

• Molar Mass
• Molar Mass Ratio
• Compressibility Factor
• Relative Density
• Ideal Heating Value (also in BTU - British Thermal Units)
• Real Heating Value (also in BTU - British Thermal Units)

ASTM D 3588-98: The standard practice for calculating heating values, compressibility factor, and relative density of gaseous fuels.

GPA 2172-09: Calculation of gross/net heating values, relative density, and compressibility factor for natural gas mixtures from compositional analysis.

DataApex: Clarity software - NGA (Natural Gas Analysis) Extension

ASTM ASTM D 2421-02 and D 2598-02

• Vapor Pressure
• Relative Density
• Motor Octane Number

ASTM D 2421-02: The standard practice for interconversion of analysis of C5 and lighter hydrocarbons to gas-volume, liquid-volume, or weight basis.

ASTM D 2598-02: The standard practice for calculation of certain physical properties of liquefied petroleum (LP) gases from compositional analysis.

DataApex: Clarity software - NGA (Natural Gas Analysis) Extension

Specification

• Part No.: A32
• Related products: Clarity (p/n C50)
  • Clarity Offline (p/n C59) GC and AS Control module (p/n A23 and A26)