Enviro Technology Services (ET) is now rebranded as Cura Terrae.

Teledyne API UV Absorption O3 Analyser (Model N400)

Teledyne API UV Absorption O3 Analyser (Model N400)

An ozone analyser that utilises ultraviolet (UV) absorption based on the Beer-Lambert law to provide accurate low-range ozone measurements in ambient air.

  • Flexible - Customisable alerts and continuous self-checking
  • Customisable graphical user interface (GUI), giving the user fast and efficient access to instrument status, as well as measurement data and diagnostic parameters in either numeric or graphical form.
  • Wide operating temperature range
  • Adaptive signal filtering optimises response time
  • Optional 47mm membrane or long-life sample filter that further improves efficiency

The Model N400 Ultraviolet (UV) Absorption analyser uses a system based on the Beer-Lambert law for measuring low ranges of ozone in ambient air.

Instrument functions and controls are managed through a series of integrated microprocessor-controlled modules, utilising a simple and reliable CAN Bus communications architecture.

Each module is independently assembled and calibrated, allowing easy and fast field replacement to maximise instrument uptime. Intuitive operation and calibration of all N Series products are achieved through the NumaView™ Software interface.

NumaView™ Remote Software (included at no charge) provides the same virtual interface and complete instrument control, as well as access to the instrument’s large internal data storage buffer from a remote PC or tablet.

How it works

A 254 nm UV light signal is passed through the sample cell, where it is absorbed in proportion to the amount of ozone present. Periodically, a switching valve alternates measurement between the sample stream and a sample that has been scrubbed of ozone. The result is a true, stable ozone measurement.

Applications

  • Ambient Air Monitoring
  • Roadside Air Monitoring

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