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Title: Temperature Effects On The Performance Of Tunable Diode Laser Moisture Analyzer S
Author: John Geerligs Jeff Crowe Robert Mcbrien
Source: 2015 International Symposium on Fluid Flow Measurement
Year Published: 2015
Abstract: Measuring water content in natural gas is critical to operating a pipeline system. High water content can lead to the formation of gas hydrates and increased corrosion of the pipeline. Measuring water vapor down to the ppm range in natural gas is a difficult technical challenge. The objective of this work was to test the AMETEK 5100 HD and SpectraSensors SS2000e gas analyzer for measurin g water content in natural gas . Each device employs T unable D iode L aser A bsorption S pectroscopy (TDLAS) to detect water in natural gas . W ater was added to a steady gas flow to test the analyzer accuracy and response time . The response to a 20% ethylene glycol (balance water) and a 20% methanol (balance water) solution (by weight) was also evaluated. Baseline accuracy was established with a Scott moisture standard distributed by Air Liquide. Each analyzer was subjected to changes in sample gas temperature and an alyzer environment temperature

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