Humidity Calculator for natural gas including dew point, ppmV, absolute humidity lb/MMscf and mg/m3.
©2023 Michell Instruments Ltd.
While every effort has been made to ensure the formulae used in this calculator are correct, this free software service is provided 'as is' and without warranty or guarantee to the extent of the applicable law.
The PST moisture in natural gas calculator is built for engineers to help ease moisture content calculation for natural gas. The humidity calculator features two calculation standards: ISO 18453 and IGT Research Bulletin #8. Engineers can switch between these standards.
Users can choose a humidity parameter and units they want to calculate in the settings. The calculator offers the option to calculate in degrees Celsius (oC), degrees Fahrenheit (oF), or Kelvin (K) for dew point/frost point. You can also calculate moisture content (volume) in parts per million (ppm) or percentage (%).
Watch the quick video below on how to use the PST Michell Natural Gas Humidity Calculator.
The PST Michell Natural Gas Humidity Calculator uses the Sonntag formula for water vapour pressure. It can be found in the British Standard 1339:1, 3.2.2
ISO 18453 is an internationally recognized standard for natural gas sampling and analysis, while IGT Research Bulletin #8 is likely to be more regionally focused and specific to the research and guidelines developed by the Instituto de Gas y Petróleo in Argentina.
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