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HCHO Monitoring

Formaldehyde (HCHO) is a commonly used compound in chemical and medical industries, as it is a precursor for many other compounds. It is also produced at substantial levels through photochemical reactions in smoggy, urban environments. Although it is a known carcinogen, HCHO is used widely across industries and applications. This gas has a characteristic smell that can be used to ascertain its presence.


Our Differential Optical Absorption Spectrometer (DOAS) is an instrument engineered for HCHO monitoring. It ensures accurate and rapid response to HCHO levels. Our DOAS provides:

  • Reliable, accurate data
  • Rapid response – within tens of seconds if desired
  • Continuous emissions monitoring
  • Correction of interferences from other gases
  • Easy maintenance and improved process control
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