Gas Detection Knowledge Base - What are the calibration techniques available...

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See our article entitled "Calibration Basics." For ammonia, we would recommend permeation tubes.

Detector Tubes And When To Use Them
A detector tube is a graduated glass tube filled with a chemical reagent that will produce a color change, when exposed to the gas in question. It is used with a hand pump...

Why does Interscan offer a 0-50 ppm measuring range for ethylene oxide?
Sometimes, we are asked about the 0-50 ppm measuring range offered on our ethylene oxide (EtO) instruments. After all, a founding principle for direct-reading instruments,...

In Search of Zero
As discussed in the Calibration Basics Knowledge Base article, Interscan's gas analyzers, and virtually all other direct-reading gas analyzers are not absolute methods....

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Created	2008-03-20	Views	1771
Modified	2008-12-11	Id	49
Author	Michael D. Shaw

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