Every extraction Continuous Emission Monitoring Systems (CEMS) needs clean dry instrument air.  It’s typically used for purging an extraction system to keep the probe from plugging or purging the cal gas after a calibration cycle.  It can also be used in a Dilution CEMS to prepare the dilution air.  What’s of major importance is that the air is clean and dry…really dry!

Typically, a Continuous Emission Monitoring Systems (CEMS) requires instrument air with a -40°C dewpoint.  It also needs to be free of even trace amounts of the constituents being measured like NOx, CO, and SO₂.  “Plant” air and “Compressed” air is not suitable to meet these requirements.  The moisture content in these types of air supplies can foul an analyzer very quickly, compromise measurement results, and even ruin a very expensive instrument.

Monitoring Solutions can provide Air Clean-Up systems to meet a variety of needs.  Typical system components can include:

• Coalescing Filters
• Particulate Filters
• Auto and Manual Drain Filters
• Purafil & Carulite for NOx & CO removal
• Dri Rite for Moisture Removal
• Dryer indicator with Silica Gel
• Regenerative Desiccant Air Dryer to remove moisture and CO₂
• Chillers to remove Oil (from compressed air)

Here are some system examples:

Monitoring Solutions can build and support whatever level of system is required.  Contact us today to learn more at 908-500-4010 or sales@monsol.com

Simply happy to help.
Monitoring Solutions is here to help! Call 908-500-4010 or email jnowak@monsol.com for a competitive quote.

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