#174 - Nova Analyzers from the Field – Episode 5

I spotted this unit in our service department recently. Nothing wrong with the instrument; just needed a tune-up and calibration. This is a 3-channel portable CO2 analyzer.

People who research or install fire suppression systems are frequently interested in carbon dioxide (CO2) analysis. They may be using CO2 to blanket an area to stifle a fire. Or they may be burning something in a controlled environment and want to observe the effects.

As can be seen in the pictures there are 3 displays, 3 flow meters, 3 sample inlets, etc. on this analyzer. Different concentrations of gas may stratify in enclosed areas. So in these applications, we have sometimes produced CO2 analyzers with three entirely separate CO2 channels. This allows the users to get a picture of what CO2 levels are developing at different elevations in the space.

For this application, we have typically used our Model 302 Portable CO2 Analyzer and modified it to essentially result in a 3-in-1 analyzer. We can't do this kind of scale-up with every type of analyzer; but with this model, it is possible.

http://catalog.nova-gas.com/item/all-categories/sters-portable-carbon-dioxide-analyzer-302a-series/model-302ak  (This is a link to the standard, un-modified version of Model 302.)

If a system like this is of interest to you, contact Nova for details.

Episode 1 - old portable flue gas with dual CO channel
Episode 2 - portable ppm H2 analyzer for university metallurgical lab
Episode 3 - ex-proof H2 analyzer in South Africa
Episode 4 - 14yr old continuous CO/H2 analyzer on heat treat furnace

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