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  • Concentration analyzer / gas / NO / SO2

ZRE NDIR/O2

Article: 00020898

Concentration analyzer / gas / NO / SO2

CAI ZRE analyzers are based on the infrared
absorption characteristics of gases. Using a
single infrared beam to measure gas concen-
trations, ZRE analyzers deliver highly stable
and reliable results.
The infrared light beam is modulated by a
chopper system and passed through a sample
cell of predetermined length that contains the
gas sample to be analyzed. As the beam passes
through the cell, the sample gas absorbs some of
its energy. The attenuated beam (transmittance)
emerges from the cell and is introduced to the
front chamber of a two-chamber, infrared
microfl ow detector. The detector is fi lled with the
gas component of interest and consequently
the beam experiences further energy absorption.
This absorption process increases the pressure
in both chambers.
The differential pressure between the front and
rear chamber of the detector causes a slight
gas fl ow between the two chambers. This fl ow is
detected by a mass-fl ow sensor and converted
into an output signal.

Specifications

  • Measured value: concentration, gas
  • Gas type: NO, SO2, CH4, CO, CO2, oxygen
  • Technology: NDIR
  • Portability: housed
  • Domain: process
  • Other characteristics: multi-channel, monitoring, continuous

Other items

In this category | In this category, (California Analytical Instruments)

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