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Model 380K Tri-Gas Analyzer

Nova has a long history of providing gas analysis to the power generation industry. This mainly because of our capability for hydrogen analysis.

Our best-known gas analyzer for power generators is the Model 380K Tri-Gas Analyzer. We sometimes also refer to this as the 380K Hydrogen Purity Analyzer. This analyzer is specifically designed to analyze the atmosphere inside of a hydrogen-cooled power generator during purity and purge modes.

The best way to monitor the gases in a generator is to use a gas analyzer system with the following ranges:

Generator Purity Mode
Range 1: 0 – 100.0 % H2 in Air

Generator Purge Mode
Range 2: 0-100% H2 in CO2
Range 3: 0-100% Air in CO2

To perform maintenance work in the generator enclosure, the H2 must be purged out with CO2 (carbon dioxide) gas. The CO2 must then be purged out with breathable air. When the maintenance work is complete, the same purge procedure is performed, but in reverse.

The Nova 380 Series is used worldwide by many power generation companies and facilities. It has built-in switch-selectable digital display, sample pump, regulator, flow control assembly, liquid block, filter and flow meter.

nova 380k analyzer

Here is a blog post to read about the simple calibration procedure for this instrument.

If you are a power plant operator and you need a quote for this instrument, you can request a quote or view our product catalog. Be sure to let us know which power company and what site you are from.

Here is a short Nova YouTube video that shows this instrument in operation.

380 FAMILY

There is now a 380 family of instruments with variations on the theme of generator analysis.

Model 381 – For generators that are purged with Nitrogen (N2) instead of CO2.

Range 1: 0-100% H2 in air
Range 2: 0-100% H2 in N2
Range 3: 0-100% Air in N2
In catalog

Model 382 – For generators that are purged with CO2, but where a separate and simultaneous display of O2 is also required.

Range 1: 0-100% H2 in Air
Range 2: 0-100% H2 in CO2
Range 3: 0-100% Air in CO2
Separate Range: 0-25.0 % O2
In catalog

Options

We can also produce a Model 380 that is set up for Argon (Ar) instead of CO2.

We can also add dew point analysis and hydrogen pressure indication to Model 380.

Please advise if any of these are of interest to you.

Contact us about these options.

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