Yokogawa Adds Probe Type Tunable Diode Laser Spectrometer to Its OpreX Analyzer Lineup  

By Shin Kai

Company and Product News

Yokogawa Electric Corporation announced that it has released the TDLS8100 probe type tunable diode laser spectrometer as part of its OpreX Analyzer family. The TDLS8100 is targeted at applications in the oil, petrochemical, power, iron and steel, and other industries that require the ability to directly measure oxygen or carbon monoxide gas concentration at high speeds. With its integrated light launcher and detector, this new probe type tunable diode laser spectrometer significantly reduces the need for the installation of flanges and scaffolding, and thus enables a 50% or greater reduction in installation costs.

The TDLS8100 joins a lineup that includes the TDLS8000 tunable diode laser spectrometer for high-temperature and high-pressure gas concentration measurement applications, and is intended for use in the measurement of flowing gases where there is a need to reduce installation costs. With the addition of the TDLS8100, Yokogawa will be able to provide its customers a greater range of choices on solutions that can help them ensure safe operations and maximize energy efficiency. Within the first half of this year, Yokogawa plans also to release a TDLS8100 model for the measurement of ammonia and hydrogen chloride gas concentrations.

Main features of the new product include:

  1. TDLS8000 probe type tunable diode laser spectrometer
    As the TDLS8100 comes with an integrated light launcher and detector, the flange and scaffolding only need to be installed on one side of the duct, reducing installation costs by 50% or more. This also eliminates the need to periodically perform cumbersome and time-consuming maintenance procedures such as optical axis adjustment that are required with transmitted light detectors that use separate light launcher and detector.
  2. Highly accurate and highly reliable concentration measurement
    Just like the TDLS8000, the TDLS8100 uses the spectrum area method to calculate the gas concentration from the area in a light absorption distribution chart. Stable measurements are thus achieved even in environments where the gas pressure and temperature fluctuate, and other types of gas and large amounts of dust are present. Although the TDLS8100 is a probe type instrument, it is able thanks to the design of its optical components to maintain a stable laser optical axis and light path length (length of transmission of laser light through a measurement sample) for long periods of time.

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