Why You Should Consider a Sample Conditioning Unit for Taking Low NOx Measurements When Using a Portable Emissions Analyzer

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Courtesy of E Instruments International, LLC

Using state-of-the-art technology, we here at E Instruments create high-quality portable industrial combustion gas and emissions analyzers that are capable of taking precise, low NOx measurements for both NO and NO2. In particular, we recommend our sample conditioning unit to those of you who need to take accurate, low NOx or SO2 measurements.

To monitor the emissions of soluble gases present in flue gas from industrial and commercial processes accurately, you will need a sampling unit specially designed to counter the loss of SO2 or NO2 gases. This often occurs in the sampling lines before it even enters the measuring apparatus.

People normally use Conventional Continuous Emissions Monitoring Systems (CEMS) to report emissions to the appropriate local and federal regulatory agencies. They require complex sampling methods to accomplish this objective. Not only are these techniques quite costly, but they are impractical, especially when employing a portable handheld analyzer intended to improve a process.

At E Instruments, we conceived a Sample Conditioning Unit that is mounted at the sampling probe exit, before the sampling hose. This location is where the water can quickly condense and separate from the gas, decreasing any contact of the target gases with the liquid water. Then another water trap is used to eradicate any water mist left in the gas to protect the sensors.

The Sample Conditioning Unit grants the operator the ability to accurately measure levels with a .1 ppm resolution and detection limit. You can also use one of our combustion analyzers to achieve this high level of accuracy for spot and short-term measurements. This product is currently available with the following models: the E4500, E6000, E8500 PLUS, and E9000 portable emissions analyzers. These models can also measure O2, CO, CO2, SO2, H2S, HC, and VOC.

If you need to take precise measurements of low-level NOx or SO2, then look no further than a portable gas emission analyzer or combustion analyzer with a Sample Conditioning Unit. It won’t absorb soluble gases and it will efficiently remove moisture and maintain gas integrity. Call E Instruments at 215-720-1136 or browse the rest of our website for more information to learn more about our products and how they can aid in monitoring for emissions.

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