Gas Measuring Instruments

Zero Air System

Model N701 - Teledyne Advanced Pollution Instrumentation

The N701 is a fully self-contained source of clean, dry air for dilution calibrators. It can also simultaneously be used as a pressure source for activating instrument pneumatic valves and/or purge air for permeation tube ovens. The N701 includes a dewpoint sensor, an oil-less and diaphragm-free pump, and scrubbers to remove SO2, NO, NO2, O3, H2S, and NH3. An optional high performance heated converter is available for effective removal of Carbon Monoxide (CO) and Hydrocarbon gases.

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UV Absorption O3 Analyzer

Model N400 - Teledyne Advanced Pollution Instrumentation

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

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Gas Filter Correlation CO2 Analyzer

Model N360 - Teledyne Advanced Pollution Instrumentation

The Model N360 measures carbon dioxide (CO2) by comparing infrared energy absorbed by a sample to that absorbed by a reference according to the Beer-Lambert law.The N360 uses Gas Filter Correlation (GFC) to overcome the interfering effects of various other gases (such as water vapor) that also absorb IR. The analyzer passes the IR beam through a spinning wheel made up of two separate chambers: one containing a high concentration of CO2 known as the reference, and the other containing a neutral gas known as the measure. The concentration of CO2 in the sample chamber is computed by taking the ratio of the instantaneous measure and reference values and then compensating the ratio for sample temperature and pressure. A nitrogen purge system is provided for the GFC wheel assembly to eliminate the effects of ambient CO2, if necessary.

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Mid-Range Gas Filter Correlation CO Analyzer

Model N300M - Teledyne Advanced Pollution Instrumentation

The Model N300M is a microprocessor-controlled analyzer used to determine the concentration of carbon monoxide (CO) in a sample gas. The analysis method is based on the Beer-Lambert law.The N300M uses Gas Filter Correlation (GFC) to overcome the interfering effects of various other gases (such as water vapor) that also absorb IR. The analyzer passes the IR beam through a spinning wheel made up of two separate chambers: one containing a high concentration of CO known as the reference, and the other containing a neutral gas known as the measure. The concentration of CO in the sample chamber is computed by taking the ratio of the instantaneous measure and reference values and then compensating the ratio for sample temperature and pressure.

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Gas Filter Correlation CO Analyzer

Model N300 - Teledyne Advanced Pollution Instrumentation

The Model N300 is a microprocessor-controlled analyzer based on the Beer-Lambert law that is used to determine the concentration of carbon monoxide (CO) in a sample gas.The N300 uses Gas Filter Correlation (GFC) to overcome the interfering effects of various other gases (such as water vapor) that also absorb Infrared (IR) light. The analyzer passes the IR light beam through a spinning wheel made up of two separate chambers: one containing a high concentration of CO known as the reference, and the other containing a neutral gas known as the measure. The concentration of CO in the sample chamber is computed by taking the ratio of the instantaneous measure and reference values and then compensating the ratio for sample temperature and pressure.

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Mid-Range Gas Filter Correlation CO2 Analyzer

Model N360M - Teledyne Advanced Pollution Instrumentation

The Model N360M measures carbon dioxide (CO2) by comparing infrared energy absorbed by a sample to that absorbed by a reference according to the Beer-Lambert law.The N360M uses Gas Filter Correlation (GFC) to overcome the interfering effects of various other gases (such as water vapor) that also absorb IR. The analyzer passes the IR beam through a spinning wheel made up of two separate chambers: one containing a high concentration of CO2 known as the reference, and the other containing a neutral gas known as the measure. The concentration of CO2 in the sample chamber is computed by taking the ratio of the instantaneous measure and reference values and then compensating the ratio for sample temperature and pressure. A nitrogen purge system is provided for the GFC wheel assembly to eliminate the effects of ambient CO2, if necessary.

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CAPS True NO2-NOX-NO Analyzer

Model N500 - Teledyne Advanced Pollution Instrumentation

The Model N500 CAPS NOx analyzer uses superior Cavity Attenuated Phase Shift (CAPS) Spectroscopy to measure True NO2, NOx, and NO gases. The instrument combines direct NO2 measurements with highly efficient gas phase titration (GPT) to convert and measure the NO gas component. An automatic baseline reference cycle accounts and compensates for any potential baseline drift due to varying environmental conditions.

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Mid-Range Chemiluminescence NOX-NO2-NO Analyzer

Model N200M - Teledyne Advanced Pollution Instrumentation

The Model N200M uses the proven chemiluminescence detection principle, combined with a state-of-the-art modular architecture, and intuitive operating software to provide accurate and dependable measurements of Nitric Oxide (NO), Nitrogen Dioxide (NO2) and total Nitrogen Oxides (NOx) gases for use in extractive type CEM systems.

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High Range Chemiluminescence NOX-NO2-NO Analyzer

Model N200H - Teledyne Advanced Pollution Instrumentation

The Model N200H uses the proven chemiluminescence detection principle, combined with a state-of-the-art modular architecture, and intuitive operating software to provide accurate and dependable measurements of high-level Nitric Oxide (NO), Nitrogen Dioxide (NO2) and total Nitrogen Oxides (NOx) gases for use in extractive type CEM systems.

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Chemiluminescence NOX-NO2-NO Analyzer

Model N200 - Teledyne Advanced Pollution Instrumentation

The Model N200 uses the proven chemiluminescence detection principle, combined with a state-of-the-art modular architecture, and intuitive operating software to provide accurate and dependable measurements of low-level Nitric Oxide (NO), Nitrogen Dioxide (NO2) and total Nitrogen Oxides (NOx) gases.

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High Range UV Fluorescence SO2 Analyzer

Model N100H - Teledyne Advanced Pollution Instrumentation

The Model N100H instrument uses the proven UV fluorescence principle, combined with a state-of-the-art modular architecture, and intuitive operating software to provide accurate and dependable measurements of high range SO2 gas. The instrument includes interferent rejection, providing a simple and precise solution for a broad range of continuous emission monitoring systems (CEMS) and stack testing applications.

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UV Fluorescence SO2 Analyzer

Model N100 - Teledyne Advanced Pollution Instrumentation

The Model N100 instrument uses the proven UV-fluorescence principle, combined with a state-of-the-art modular architecture, and intuitive operating software to provide accurate and dependable measurements of low-level Sulfur Dioxide (SO2) gas.

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High Performance Zero Air System

Model N701H - Teledyne Advanced Pollution Instrumentation

The N701H has digital communications including RS232 and TCP/IP with Modbus communications. This allows remote monitoring of key instrument functions including dewpoint status, scrubber temperature, box temperature, and output pressure. Additionally, this digital access provides the ability to remotely disable the internal pump, allowing longer service intervals and less power consumption. The user can also remotely start instrument warmup prior to arrival at the site.

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THC-CH4-NMHC Analyzer

Model N901 - Teledyne Advanced Pollution Instrumentation

The Model N901 is a near-continuous hydrocarbon gas analyzer that measures the concentration of Methane (CH4) and Total Hydrocarbons (THC) in air. The concentration of the non-Methane (NMHC) component is calculated by the subtraction of CH4 from THC, with high sensitivity and accuracy. The hydrocarbons are measured using a Flame Ionization Detector (FID), in combination with gas chromatography (GC). The instruments range and performance are tuned specifically for use in ambient air quality monitoring assessments.

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Gas Measuring Instruments

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