Gas Analyzers for Industrial Process Monitoring

Gas analyzers help plant teams measure gas concentration in flue gas, process gas, combustion gas and stack emission applications. They check gases such as SO₂, NOx, CO, CO₂, O₂, H₂O and HF.

In many plants, gas readings change because of fuel quality, combustion condition, load change, air distribution, leakage or process upset. Therefore, regular gas monitoring helps teams understand what is happening inside the process and take corrective action faster.

TIPL offers online models for continuous monitoring and a portable model for field checks. As a result, users can select the right instrument based on whether they need permanent installation or mobile gas testing.

Choose the Right Analyzer for Your Application

The correct analyzer depends on the application. First, the plant team should confirm which gases need to be measured. Then, they should check the measurement range, process temperature, dust level, moisture condition and output requirement.

For continuous stack or process monitoring, online models are suitable. However, for site checks, troubleshooting, laboratory use or temporary measurement, a portable model is usually more practical.

Product Range

Online Models

Online models support continuous monitoring of flue gas, stack gas, combustion gas and process gas. Therefore, they are useful for boilers, kilns, furnaces, denitrification systems, emission monitoring and CEMS applications.

Portable Model

A portable model helps the team measure gas concentration at different locations. For example, it can support field checks, spot testing, maintenance inspection, temporary monitoring and laboratory gas analysis.

Where These Instruments Are Used

These instruments support many plant applications. For example, they are used in:

  • Flue gas monitoring
  • Stack emission monitoring
  • Boiler combustion monitoring
  • Kiln and furnace gas measurement
  • CEMS gas monitoring
  • Denitrification and desulfurization process monitoring
  • Industrial process gas measurement
  • Exhaust gas detection
  • Heat treatment atmosphere monitoring
  • Field gas concentration checks
  • Laboratory gas analysis

How to Select a Gas Analyzer

Gas Components
First, identify the gases that need monitoring, such as SO₂, NO, NO₂, CO, CO₂, O₂, H₂O, HF, H₂S, NH₃, Cl₂, HC or LEL.

Measurement Type
Next, decide whether the application needs fixed online monitoring or portable field testing.

Measurement Technology
After that, choose the measurement principle. Common options include NDIR, UV DOAS, TDLAS, zirconia, electrochemical, catalysis and infrared laser.

Process Condition
Also check gas temperature, pressure, dust, moisture and sample condition. These details affect product selection.

Output Requirement
Then confirm whether the plant needs 4–20 mA, RS485, RS-232, relay output, PLC, DCS or CEMS connection.

Installation Method
Finally, select the installation style. The option may be rack-mounted, panel-mounted, desktop, in-situ, extractive or portable.

Online vs Portable Models

Online Models

Online models give continuous gas readings. Therefore, they are useful when the plant needs regular data for process control, combustion adjustment, emission monitoring or CEMS support.

Portable Model

A portable model helps teams check gases at different points. Also, it is useful for field visits, maintenance rounds, troubleshooting, temporary checks and laboratory work.

Simple Selection Rule

Use an online model when the plant needs continuous monitoring.

Use a portable model when the plant needs mobile or temporary gas measurement.

Industries Using Gas Analysis Instruments

Gas analysis instruments support many industries, including:

  • Power
  • Cement
  • Steel
  • Metals
  • Chemicals & Fertilisers
  • Oil & Gas
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