August 2020

Process Control, Instrumentation and Automation

Improve grab sampling results and enhance analyzer accuracy

Accurate laboratory grab sampling is a delicate process, requiring operators to follow sound best practices to ensure accurate analyzer measurements.

Mahraz, K., Swagelok Co.

Accurate laboratory grab sampling is a delicate process, requiring operators to follow sound best practices to ensure accurate analyzer measurements. Grab sampling is also critically important to an operation’s bottom line—accurate analyzer results play a vital role in ensuring that end products meet regulatory scrutiny and customer specifications. However, poor analyzer results can influence decision-making and the quality of an end product, and several factors can influence or compromise a sample’s representativeness on its journey from the process stream to the analyzer. Fluid and sampling system operators must minimize these variables to maximize accuracy. After all, an analyzer’s resul

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