Model 42i NO-NO2-NOX Analyser

The Model 42i uses chemiluminescence technology to measure the amount of nitrogen oxides in the air from sub-ppb levels up to 100ppm. The Model 42i is a single chamber, single photomultiplier tube design that cycles between the NO and NO_X modes.

The Model 42i TL uses chemiluminescence technology to measure the amount of nitrogen oxides in the air from sub-ppb levels up to 1000ppm. The Model 42i is a single chamber, single photomultiplier tube design that cycles between the NO, NO_X and zero modes.

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Model 42i-D NOX Analyser

The Model 42i-D Analyser utilises chemiluminescence technology to measure the amount of nitrogen oxides in the air from sub-ppb levels up to 100ppm and because the instrument is operated continuously in the NO_X mode, the response time is less than 10 seconds.

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Model 43i SO2 Analsyer

The Model 43i SO₂ Analyser uses pulsed fluorescence technology to measure the amount of sulfur dioxide in the air up to 10ppm. The pulsing of the U.V. source lamp serves to increase the optical intensity whereby a greater U.V. energy throughput and lower detectable SO₂ concentration is realised.

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Model 48i CO Analyser

The Model 48i CO Analyser uses gas filter correlation technology to measure the amount of Carbon Monoxide in the air. The Model 48i is based on the principle that carbon monoxide absorbs infrared radiation at a wavelength of 4.6 microns.

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Model 410i CO2 Anlayser

The Model 410i CO₂ Analyser is designed to monitor and report CO₂ stack gas levels using either straight extractive sampling or dilution sampling by way of optical filter technology. The gas detection scheme uses optically fixed band pass interference filters and quantum detection to analyse the gas stream, leading to a superior level of performance and reliability.

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Model 55i Methane & Non-Methane Analyser

The Model 55i is a back-flush gas chromatography (GC) system designed for automated measurement of methane and non-methane hydrocarbons. Unlike instruments that measure only methane and total hydrocarbons, the back-flush GC method used by the Model 55i provides a direct measurement of non-methane concentrations.

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