NDIR Gas Analyzer Introduction
Teledyne Analytical Instruments 1
Introduction 1.1 Overview
The Model 7500ZA is designed to measure the concentration of
NO, SO2, CO2, CO and CH4 in a sample gas based on the principle that
different atomic molecules have a different absorption spectrum in the
infrared band and the intensity of absorption is determined by the
Lambert-Beer law.
When equipped with the optional O2 sensor, the Model 7500ZA is
capable of measuring up to 5 components simultaneously or up to 4
components if O2 sensor is not installed.
The Model 7500ZA is a microprocessor based analyzer with a large
LCD display, superior accuracy and a multitude of functions suitable for
applications such as:
• Combustible gas emissions from boilers or incinerators
• Steel gas analysis (blast furnace, steel converter, thermal
treatment furnace, sintering (pellet equipment) etc.
• Coke furnace
• Storage and maturity of vegetable and fruit,
• Biochemistry (microbe) (fermentation)
• Air pollution monitoring [incinerator, exhaust gas
desulfurization, denitration], automotive emission (excluding
tester)
• Disaster prevention (detection of explosive gas and toxic gas,
combustion gas analysis of new building material)
• Agricultural
• Chemical analysis (petroleum refinery plant, petroleum
chemistry plant, gas generation plant)
• Environmental analysis
• Physical and chemical research