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Gas Analyzers

Ambient Air

Extractive Ambient Air Monitoring System

Gas Analyzers (SO2, NOx, CO, CO2, O3, THC, H2S, NH3, Other Components)
  • Gas Analyzers of OPTEC:
    1. NO, NO2 - 0-1000 mcg/m3 Digital scale resolution - 1 mcg/m3 Principle of operation - heterogeneous chemiluminescense Built-in display Output analog signal 4-20 m or 0-5 m Built-in memory Serial port RS-232 Diagnostic signal 19" standard of case
      -310A gas analyzer
    2. SO2 - 0-2000 mcg/m3 Digital scale resolution - 1 mcg/m3 Principle of operation - heterogeneous chemiluminescense Built-in display Output analog current signal 4-20 m or 0-5 m Built-in memory Serial port RS-232 Diagnostic signal 19" standard of case
      -310 gas analyzer
    3. NH3 - 0-1000 mcg/m3 NO, NO2 - 0-1000 mcg/m3 Digital scale resolution - 1 mcg/m3 Principle of operation - heterogeneous chemiluminescense Built-in display Output analog signal 4-20 m or 0-5 m Built-in memory Serial port RS-232 Design: - measuring unit 19" standard of case - converter 19" standard of case
      -320A gas analyzer
    4. H2S - 0-0,2 mg/m3 SO2 - 0-2,0 mg/m3 Digital scale resolution - 0,0001 mg/m3(H2S) Digital scale resolution - 0,001 mg/m3(SO2) Principle of operation - heterogeneous chemiluminescense Built-in display Output analog signal 4-20 m or 0-5 m Built-in memory Serial port RS-232 Design: - measuring unit 19" standard of case - converter 19" standard of case Selectable H2S measurement in presence of organic sulfur compounds. Simultaneous SO2 and H2S measurement
      -320-2 gas analyzer
    5. O3 - 0-500 mcg/m3 Digital scale resolution - 1 mcg/m3 Principle of operation - heterogeneous chemiluminescense Built-in display Output analog signal 4-20 m or 0-5 m Built-in memory Serial port RS-232 19" standard of case
      3.02 P- gas analyzer
    6. O3 - 0-10 000 mcg/m3 Digital scale resolution - 1 mcg/m3 Principle of operation - UV photometry ( Absorption of UV light ) Built-in display Output analog signal 4-20 m or 0-5 m Built-in memory Serial port RS-232 19" standard of case
      F-105 gas analyzer
    7. - 0-50,0 mg/m3 Digital scale resolution - 0,1 mg/m3 Principle of operation - electrochemical Built-in display Output analog signal 4-20 m or 0-5 m Built-in memory Serial port RS-232 19" standard of case
      -100 gas analyzer
    8. CO2 - 0-3500 mg/m3 (0-2000 ppm) Digital scale resolution - 1 mg/m3 Principle of operation - IR optical (NDIR) Built-in display Output analog signal 4-20 m or 0-5 m Built-in memory Serial port RS-232 19" standard of case
      OPTOGAS-500.4 gas analyzer
    9. SO2 - 0-5,0 mg/m3 Digital scale resolution - 0,001 mg/m3 Principle of operation - optical ( fluorescent ) Built-in display Output analog signal 4-20 m or 0-5 m Built-in memory Serial port RS-232 Design: - measuring unit: 19" standard of case - Sample Pump (external)
      -105 gas analyzer
    10. HCOH - 0-0,5 mg/m3 Structure of a complex: : - measuring unit FP-301FL - data processing unit (BOI) - gas mix generator with micro flow source of formaldehyde
      FORT-301 Measuring complex
    11. Quantity of measured channels from 2 up to 9 (at a choice): O3 - 0-0,05 mg/m3 or 0-10 mg/m3 SO2 - 0-2,0 mg/m3 or 0-5,0 mg/m3 NO - 0-1 mg/m3 NO2 - 0-1 mg/m3 CO - 0-50,0 mg/m3 CO2 - 0-3500 mg/m3 H2S - 0-0,2 mg/m3 NH3 - 0-1,0 mg/m3 Dust( aerosol ) - 0-100,0 mg/m3 Meteorological complex (temperature, relative humidity, atmospheric pressure, level of precipitation, speed and direction of a wind) Digital indication Output digital signal RS-232 Output analog current signal 4-20 m or 0-5 m Hardware-software complex P 8816 ( Data Logger, software) Channels LAN, Internet, GSM, phone gas-sampling probe Instrument rack
      Measuring complex SKAT

SO2
  • Gas Analyzers of Environnement S.A:
    Real time calibration graph
    Built-in storage of 2 months 1/4 h average data (up to 1 year with the optional memory extension)
    Built-in double serial interface (RS 232/RS 422) for remote control & maintenance
    Automatic remote data acquisition with WINLOAD software (download WinLOAD at the bottom page)
    Ranges: 0-0.1/0.2/0.5/1/2/5/10 ppm or user selectable ranges
    UV Fluorescent Sulfur Dioxide Analyzer, Model AF22MTM
  • Gas Analyzers of HORIBA:
    The fluorescence measurement method eliminates interference from water vapor.
    A hydrocarbon reduction membrane eliminates HC interference.
    Ranges: 00.1, 0.2, 0.5, and 1.0 ppm; others
    The APSA-360CE can be operated from controls on the front panel or by commands from a remote computer. Measurement results are displayed on the front panel and are available to remote data logging systems through a variety of industry-standard electrical and digital interfaces.
    The instrument may be calibrated automatically or manually
    APSA-360CE Sulfur Dioxide Analyzer
  • Gas Analyzers of Teledyne Monitor Labs:
    1. The gas analyzer 100E uses the proven UV fluorescence principle, coupled with state of the art microprocessor technology.
      Exceptional stability is achieved with the use of an optical shutter to compensate for PMT drift and a reference detector to correct for changes in UV lamp intensity. A hydrocarbon "kicker" and advanced optical design combine to prevent inaccuracies due to interferents. The multi-tasking software gives real time indication of a large number of operational parameters and provides automatic alarms if diagnostic limits are exceeded.
      All instruments of the TAPI E Series include an extensive built-in data acquisition capability using the analyzer's internal memory. This allows the logging of multiple parameters including averaged and instantaneous concentration values, calibration data and operating parameters such as flow, pressure and lamp intensity.
      Ranges: 0-50 ppb to 0-20,000 ppb full scale, user selectable. Dual ranges and auto ranging supported
      Model 100E UV Fluorescence SO2 Analyzer
    2. The gas analyzer 100EU Low Level SO2 Analyzer uses the proven UV fluorescence principle, coupled with state of the art microprocessor technology to provide accurate and dependable measurements of low level SO2. Exceptional stability is achieved with the use of an optical shutter to compensate for PMT drift and a reference detector to correct for changes in UV lamp intensity. A hydrocarbon "kicker" and advanced optical design combine to prevent inaccuracies due to interferents.
      Multi-tasking software allows field range changes as well as auto ranging and dual range operation.
      Ranges: 0-50 ppb to 0-20,000 ppb, user selectable. Dual ranges and auto ranging supported
      Model 100EU UV Fluorescence Low Level SO2 Analyzer
    3. The measurement principle relies on the excitation of the SO2 molecule which occurs in the presence of a specific wavelength (214 nanometers) of U.V. light and subsequent relaxation which produces a photon of light. A photo multiplier tube allows the light emissions to be measured as the SO2 molecule returns to a ground state. A hydrocarbon scrubbing system, containing no consumable materials, removes interfering hydrocarbons prior to the ambient sample being measured. The reference detector continuously monitors the intensity of the U.V. lamp and allows use of a ratiometric measurement technique which compensates for lamp degradation.
      Autoranging: 0 - 20 ppm
      Teledyne ML9850 Sulfur Dioxide Analyzer
  • Gas Analyzers of Thermo Electron Corporation:
    1. Pulsed fluorescence technology.
      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 are realized. Reflective bandpass filters, as compared to commonly used transmission filters, are less subject to photochemical degradation and more selective in wavelength isolation. This results in both increased detection specificity and long term stability.
      Preset Ranges: 0-0.05, 0.1, 0.2, 0.5, 1, 2, 5, and 10 ppm; 0-0.2, 0.5, 1, 2, 5, 10, 20, and 25 mg/m3
      Extended Ranges: 0-0.05, 1, 2, 5, 10, 20, 50 and 100 ppm; 0-2, 5, 10, 20, 50, 100, 200, and 250 mg/m3
      Model 43i SO2 Gas Analyzer
    2. Pulsed Fluorescence.
      Reflective UV filtering offers superior sensitivity.
      With its U.S. EPA Designation of EQSA-0486-060, the Model 43C is an industry standard for SO2 monitoring.
      User software facilities include field programmable measurement ranges and SO2 concentration value storage by date and time.
      Ranges: 0-50, 100, 200, 500, 1000 ppb and 0-1, 2, 5, 10, 20, 50, 100 ppm
      Model 43C SO2 Analyzer
    3. The gas analyzers 450C consists of an H2S to SO2 converter coupled to a pulsed fluorescence SO2 analyzer. Continuous H2S monitoring is accomplished by conversion of the H2S in the sample to SO2 and its subsequent detection by the SO2 analyzer.
      The long proven pulsed fluorescent design.
      Ranges : 0-50, 100, 200, 500, 1000 ppb and 0-1, 2, 5, 10, 20*, 50*, and 100* ppm (*ranges applicable to SO2 analysis only)
      Model 450C Pulsed Fluorescence Analyzer (H2S and SO2)

NOx
  • Gas Analyzers of Environnement S.A:
    1. Double chamber design. Non-switched measurement which eliminates the NO2 artifact resulting from rapid fluctuations of the NO concentration
      Interactive menu driven software, synoptic flow diagram display, real time calibration graph, user programmable ranges and average times.
      Ranges : 0-0.05 / 0.1 / 0.2 / 0.5 / 1 / 2 / 5 / 10 ppm or user selecteble ranges
      Chemiluminescent Nitrogen Oxide Analyzer, Model AC31M
    2. Single chamber design. SMC enhanced electronics.
      Interactive menu driven software, real-time synoptic flow diagram display, user programmable ranges and average times, built-in storage of one month average data (up to 7 months with the optional memory extension), automatic remote data acquisition with WINLOAD software
      Ranges: 0-0.05/0.1/0.2/0.5/1/2/5/10/20ppm or user selectable ranges
      Chemiluminescent Nitrogen Oxide Analyzer, Model AC32M
  • Gas Analyzers of HORIBA:
    Cross-flow modulated reduced pressure chemiluminescence method. The gas analyzer APNA-360 uses a combination of the dual cross flow modulation type chemiluminescence principle and the subtraction calculation method. This gives it the advantages of the single-detector method plus the ability to do continuous measurements of NOx, NO, and NO2.
    Standard equipment includes a drier unit with an automatic recycle function to provide dry ambient air as the ozone source. This makes long term continuous measurements possible. The detector uses a semiconductor sensor for compactness and long working life.
    Range: 0ppm ~ 0.1ppm, 0.2ppm, 0.5ppm, or 1.0ppm, 4 optional ranges between 0ppm ~ 10ppm (maximum range ration 1:10)
    Ambient NOx Monitor APNA-360
  • Gas Analyzers of Teledyne Monitor Labs:
    1. The gas analyzer 200E uses the proven chemiluminescence detection principle, coupled with state-of-the-art microprocessor technology.
      Stability is enhanced by an Auto-Zero circuit that continuously provides a true zero reference. The result is sensitive, accurate, and dependable performance under the harshest operating conditions. All instruments in the TAPI E Series include built-in data acquisition capability using the analyzer's internal memory. This allows the logging of multiple parameters including averaged or instantaneous concentration values, calibration data, and operating parameters such as pressures and temperatures.
      Ranges: 0-50 ppb to 0-20,000 ppb full scale, user selectable. Independent NO, NO2, NOX ranges and autoranging supported
      Model 200E Chemiluminescence NO/NO2/NOX Analyzer
    2. The gas analyzer 200EU is based on the field-proven Model 200E Chemiluminescence Analyzer for measurement of NO-NO2-NOX.
      The time-proven, dependable design of the Model 200E has been combined with an enhanced performance pump and a special low noise photomultiplier tube for greatly improved performance. In addition, a pre-reactor separates the NO-NO2 reaction from the background chemiluminescence, allowing accurate auto-zeroing of the analyzer.
      Ranges: 0-5 ppb to 0-2000 ppb full scale, user selectable, independent NO, NO2, NOX ranges and autoranging supported.
      Model 200EU Ultra-Sensitive NO/NO2/NOX Analyzer
    3. The gas analyzer Teledyne ML9841B uses the low pressure chemiluminescent reaction between ozone and NO to measure the oxides of nitrogen with sensitivity down to ppb levels. When the NO molecule reacts with ozone it results in the formation of NO2 and the release of a photon. The ozone reactant is generated from an internal corona discharge source which has been highly refined to ensure longevity and stability. The ozone air source is dried with a permeation drier to stabilize the ozone output. The ozone and unknown gas sample are reacted in a heated reaction cell in front of a cooled photomultiplier tube (PMT). The PMT detector converts the photons that impinge on its surface to an electrical current which is processed and converted to concentration.
      The gas sample is alternately routed through a heated molybdenum converter which converts NO2 to NO for the NOx measurement, and directly into the reaction cell which produces the NO measurement. NO2 is computed as the difference of the two measurements. The two flow paths are carefully balanced to minimize artificial changes in NO2 which can result if the two measurements are not taken with respect to a common sample. Periodically, a sample with no NO is flowed into the reaction cell to establish a zero background. This ensures the outstanding zero stability of the analyzer.
      Optionally, the Teledyne ML9841B can be equipped with an IZS (internal zero/span) check device which utilizes a constant temperature permeation tube to generate a known NO2 span gas concentration.
      Teledyne ML9841B Nitrogen Oxides Analyzer
  • Gas Analyzers of Thermo Electron Corporation:
    1. Chemiluminescence technology.
      The gas analyzer 42i is a single Chamber, single photomultiplier tube design that cycles between the NO and NOX modes.
      Temperature and pressure correction are standard features.
      Ethernet connectivity for efficient remote access.
      Preset Ranges : 0-0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50 and 100 ppm; 0-0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100 and 150 mg/m3
      Custom Ranges: 0-0.05 to 100 ppm and 0-0.1 to 150 mg/m3
      Model 42i NO-NO2-NOX Gas Analyzer
    2. Chemiluminescence based analyzer.
      Extended troubleshooting diagnostics provide instantaneous indication of instrument operating status.
      Ranges: 0-50, 100, 200, 500, 1000 ppb and 0-1, 2, 5, 10, 20, 50, 100 ppm
      Model 42C NO-NO2-NOX Analyzer

CO
  • Gas Analyzers of Environnement S.A:
    NDIR GFC method.
    Interactive menu driven software with enhanced speed display, real-time synoptic flow diagram display, real time calibration graph, built-in storage of 2 months 1/4 h average data (up to 1 year with the optional memory extension ), built-in double serial interface (RS 232/RS 422) for remote control & maintenance, automatic remote data acquisition with WINLOAD software (download WinLOAD at the bottom page)
    Ranges : 0-10/ 25 / 50 /100 / 200 ppm or user selectable ranges
    Gas Filter Correlation Carbon Monoxide Analyzer, Model CO12M
  • Gas Analyzers of HORIBA:
    The gas analyzer APMA-360CE uses a nondispersive cross modulation infrared analysis method to measure CO.
    A cell length of 150 mm, and the absence of components such as mirrors, increases long-term stability and resistance to build up of dirt in the optical path. Cross-flow modulation requires no alignment, eliminates the requirement for an expensive gas correlation wheel, and results in virtually no zero drift.
    The instrument may be calibrated automatically or manually.
    Ranges: 010, 20, 50, and 100 ppm; others
    APMA-360CE Carbon Monoxide Analyzer
  • Gas Analyzers of Teledyne Monitor Labs:
    1. The gas analyzer 300E measures low ranges of carbon monoxide by comparing infrared energy absorbed by a sample to that absorbed by a reference gas according to the Beer-Lambert law. This is accomplished with a Gas Filter wheel which alternately allows a high energy light source to pass through a CO filled chamber and a chamber with no CO present. The light path then travels through the sample cell, which has a folded path of 14 meters.
      Ranges: 0-1 ppm to 0-1,000 ppm full scale, user selectable; Dual ranges and auto ranging supported.
      Multi-tasking software gives real time indication of numerous operating parameters and provides automatic alarms if diagnostic limits are exceeded. Built-in data acquisition and internal memory allows logging multiple parameters including average and instantaneous values, calibration data and operating parameters.
      Model 300E Gas Filter Correlation CO Analyzer
    2. The gas analyzer 300EU measures low ranges of carbon monoxide by comparing infrared energy absorbed by a sample to that absorbed by a reference gas according to the Beer-Lambert law. This is accomplished with a Gas Filter Wheel which alternately allows a high energy light source to pass through a CO filled chamber and a chamber with no CO present. The light path then travels through the sample cell, which has a folded path of 14 meters.
      Ranges: 0-100 ppb to 0-100 ppm full scale, user selectable; Dual ranges and auto ranging supported.
      Built-in data acquisition and internal memory allows logging multiple parameters including average and instantaneous values, calibration data and operating parameters.
      To eliminate H2O interferences, the analyzer is equipped with a Nafion Dryer that dries the sample stream. In addition, the analyzer periodically monitors and corrects its baseline by routing the sample stream through a heated platinum scrubber. This helps to correct any instrument drift, ambient temperature related drift and eliminate any CO2 interferences. This function is known as Autoreference and can be performed under software control from once per hour to once per day as deemed necessary under the sampling conditions.
      Model 300EU Ultra-Sensitive Gas Filter Correlation CO Analyzer
    3. The gas analyzer Teledyne ML9830B Carbon monoxide analyzer uses a combination of NDIR (non-dispersive infrared) and GFC (gas filter correlation) techniques. GFC minimizes the sensitivity to potentially interfering gases such as H2O and CO2. Infrared radiation is emitted from a long life electrically heated element and projected through a rotating filter wheel which is heated and contains one glass cell of CO and another filled with nitrogen. As the filter wheel rotates, a reference beam is detected when the cell with the CO is in the light beam, and a measurement of the unknown is detected when the cell with nitrogen is in the light beam. The CO filled cell is filled with such a concentration that it absorbs nearly all the energy at the wavelengths characteristic of CO. Both beams are directed through a heated multi-pass optical measurement cavity where the unknown gas absorbs the light in manner characteristic of the gases present. The light is further filtered to select the wavelengths of interest and sensed by a solid state detector. A ratiometric measurement processing scheme (measurement/reference) eliminates most sources of drift. These include, variations in source intensity, optical contamination of the measurement cell optics, variations in detector sensitivity, and alignment shifts--the effects of which are continuously corrected in the final measurement resulting in an extremely stable measurement of CO down to sub-ppm levels. The Teledyne ML9830B is typically used with external calibration gases for automatic zero/span checks. High pressure span valves are available for using moderately pressurized gas sources.
      Teledyne ML9830B Carbon Monoxide Analyzer
  • Gas Analyzers of Thermo Electron Corporation:
    1. Gas filter correlation technology.
      The gas analyzer 48i is based on the principle that carbon monoxide (CO) absorbs infrared radiation at a wavelength of 4.6 microns. Because infrared absorption is a nonlinear measurement technique, it is necessary for the instrument electronics to transform the basic a nalyzer signal into a linear output. The Model 48i uses an exact calibration curve to accurately linearize the instrument output over any range up to a concentration of 10,000ppm.
      Preset Ranges: 0-1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000 and 10000 ppm 0-1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000 and 10000 mg/m3
      Custom Ranges: 0-1 to 10000 ppm 0-1 to 10000 3
      Model 48i CO Gas Analyzer
    2. The gas analyzer 48C Gas Filter Correlation (GFC) CO Analyzer measures low CO concentrations.
      The Model 48C is based on the principle that carbon monoxide (CO) absorbs infrared radiation at a wavelength of 4.6 micron. Because infrared absorption is a nonlinear measurement technique, it is necessary for the instrument electronics to transform the basic analyzer signal into a linear output. The Model 48C uses an exact calibration curve to accurately linearize the instrument output over any range up to a concentration of 10,000 ppm.
      Ranges: 0-1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000 ppm
      Model 48C CO Analyzer

O3
  • Gas Analyzers of Environnement S.A:
    Interactive menu driven software with enhanced speed display, real-time synoptic flow diagram display, real time calibration graph, built-in data storage of two months average data (up to 1 year with the optional memory extension), automatic remote data acquisition with WINLOAD software (download WinLOAD at the bottom page).
    Ranges : 0-0.1/0.2/0.5/1/2/5/10 ppm or user selectable ranges
    UV Absorption Ozone Analyzer, Model O342M
  • Gas Analyzers of HORIBA:
    The gas analyzer APOA-360CE uses the Ultra-violet-absorption method (NDUV) for analysis. The ultra-violet-absorption method works on the principle that ozone absorbs ultra-violet rays in the area of 254 nm. Measurements are taken from continuous, alternate injections of the sample gas and the reference gas into the measurement cell, controlled by a long-life solenoid valve. The cross flow modulation method is characteristically zero drift-free. All fluctuations in the mercury-vapor light source and in the detector are automatically compensated for by a comparative calculation circuit. In addition, HORIBA'S unique de-ozonizer for the comparison gas line is unaffected by interference elements or moisture retention, prolonged, stable measurement is possible.
    Ranges: 0-0.1/0.2/0.5/1.0 ppm
    APOA-360CE Ozone Analyzer
  • Gas Analyzers of Teledyne Monitor Labs:
    1. The gas analyzer 400E UV Absorption Ozone Analyzer is a microprocessor-controlled analyzer that 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. Every three seconds, a switching valve alternates measurement between the sample stream and a sample that has been scrubbed of ozone.
      Ranges: 0-100 ppb to 0-10 ppm, user selectable; Dual ranges and auto-ranging supported.
      Multi-tasking software gives real time indication of a large number of operational parameters, and provides automatic warnings if diagnostic limits are exceeded. Built-in data acquisition capability, using the analyzer's internal memory, allows the logging of multiple parameters including averaged or instantaneous concentration values, calibration data, and operating parameters such as pressure and flow rate.
      Model 400E UV Absorption O3 Analyzer
    2. Measuring principle: UV Absorption (Beer Lambert Law).
      The gas analyzer 450 is available either as a single stream unit or as a multi-channel unit capable of monitoring up to six individual sample streams.
      Ranges: From 0-1 ppm to 0-1000 ppm
      Its calibration is NIST traceable and the pressure and temperature compensation is included
      Model 450 Single / Multi-Channel Ozone Analyzer
  • Gas Analyzers of Thermo Electron Corporation:
    1. UV Photometric technology.
      Dual range and auto range are standard features in this instrument. Because the instrument has both sample and reference flowing at the same time a response time of 20 seconds can be achieved.
      Temperature and pressure correction are standard features.
      Preset Ranges : 0-0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50,100 and 200 ppm 0-0.1, 0.2, 1, 2, 5, 10, 20, 50, 100, 200 and 400 mg/m3
      Custom Ranges: 0-0.05 to 200 ppm 0-0.1 to 400 mg/m3
      Model 49i Ozone Analyzer
    2. UV Photometric technology.
      The gas analyzer 49i-PS can operate with ozonator flow rates of up to 6 liters a minute. Because the instrument has both sample and reference flowing at the same time a response time of 20 seconds can be achieved.
      Temperature and pressure correction are standard features.
      Preset Photometer Ranges: 0-0.05, 0.1, 0.2, 0.5, 1.0, 0.2, 0.5, 1.0, 2.0, 5.0 ppm 0-0.1, 0.2, 0.5, 1.0, 2.0, 5.0, 10.0 mg/m3
      Custom Ranges: 0-0.05 to 5 ppm 0-0.1 to 10 mg/m3
      Model 49i-PS Ozone Primary Standard

THC (total hydrocarbons)
  • Gas Analyzers of ANTEK:
    Analysis Method: Flame Ionization Detector (FID).
    The analyzer contains a burner in which a small flame is sustained by regulated flows of air and either pure hydrogen or an FID gas (40/60 mixture of hydrogen and helium or hydrogen and nitrogen) as fuel gas. A burner jet, used as an electrode, is connected to the negative side of a precision power supply. A collector electrode is connected to a high impedance, low noise electronic amplifier.
    When a gas sample is introduced into the burner, it is ionized in the flame creating a current flow from burner tip to collector proportional to the amount of THC in the sample. This current flow is measured and amplified to present a linear signal output proportional to the amount of THC present. This output presents THC as methane.
    Ranges. Any one of the following (changeable in field):
    010; 100; 1,000; 10,000; 100,000 ppm or 50; 100; 500; 1,000; 5,000; 10,000
    Model R 1040 Total Hydrocarbon Analyzer
  • Gas Analyzers of Environnement S.A:
    THC and THC-HCM-HCnM versions, temperature controlled pneumatics, synoptic flow diagram display, real time calibration graph, built-in storage of the last 1500 average data, full remote emulation of the analyzer.
    Ranges : 0-10/50/100/500/1000 ppm or user selectable ranges
    FID Hydrocarbons Total VOC Analyzer, Model HC51M
  • Gas Analyzers of HORIBA:
    Cross-flow modulated selective combustion hydrogen flame ionization detector to measure hydrocarbons. The flame ionization detector requires a continuous supply of hydrogen fuel. The efficient design of the detector assures that fuel consumption is reduced to a minimum.
    The instrument can simultaneously measure concentrations of methane (CH4), nonmethane hydrocarbons (NMHC), and total hydrocarbons (CH4 + NMHC = THC).
    Ranges: 05, 10, 25, and 100 ppm; others
    APHA-360CE Hydrocarbon Analyzer
  • Gas Analyzers of Teledyne Monitor Labs:
    FID. GC technology used for complete separation of Methane, Ethlene oxide, Benzene, Styrene, BTX and many other compounds (application dependent).
    Organic compounds from the sample stream or separation column are injected into the detector housing where they are mixed with Hydrogen and air before entering the detector jet where the mixture is burned. During this process, organic compounds are broken down into carbon fragments and acquire a positive charge (i.e., become ionized) at the surface of the anode. Carbon fragments are detected by the collector. The signal is then amplified and sent to the data processing system.
    Temperature-controlled sampling system with GC column.
    Ranges: 0-10, 0-100, 0-1000 ppm THC. Other ranges available
    Model 4030 - Total Hydrocarbon Gas Analyzer
  • Gas Analyzers of Thermo Electron Corporation:
    Unlike instruments that use scrubbers or catalysts to measure only methane and total hydrocarbons, the Model 55C back-flushed gas chromatography system allows reliable measurements of NMHCs at sub-ppm concentrations of methane. In addition, the Model 55C's proprietary column design can achieve complete separation of methane from all C2 compounds, is unaffected by the oxygen recovery of low volatility compounds that other instruments may miss.
    Detector and Sampling System Heated to 150°C or more, in-line particulate filter.
    Ranges: 0 - 20, 200, and 2000 ppm. Other ranges optional
    Model 55C Direct Methane, Non-Methane Analyzer

H2S
  • Gas Analyzers of Environnement S.A:
    H2S -> SO2 converter: Temperature 340C - Lifetime: 500 ppm.h
    SO2 scrubber capacity: 500 ppm.h
    3 operating modes: Continuous H2S - Cyclique H2S/SO2 - Continuous SO2
    Ranges: 0-0.05/0.1/0.2/0.5/1 ppm or user selectble ranges
    Hydrogen Sulfide Converter, Model CH2S
  • Gas Analyzers of Teledyne Monitor Labs:
    Ranges (Min/Max): 0-50 ppb / 0-5 ppm
    Model 101E
  • Gas Analyzers of Thermo Electron Corporation:
    1. The gas analyzer 45C consists of an H2S to SO2 converter coupled to a pulsed fluorescence SO2 analyzer. Continuous H2S monitoring is accomplished by conversion of the H2S in the sample to SO2 and its subsequent detection by the SO2 analyzer according to the following reaction: H2S + 3/2(O2) SO2 + H2O
      The converter section of the Model 45C cataytically converts each H2S molecule to SO2 so that the ouput of the SO2 analyzer is equal to the concentration of H2S entering the converter. Any SO2 present in the original sample is scrubbed prior to its entrace into the converter, providing an instrument response to H2S.
      Temperature stabilized reaction chamber, excitation intensity stabilization, low Volume reaction chamber, modular electronic design, no sample dryer, pulsed excitation, UV lamp diagnostic, electronic test pulse diagnostic.
      Ranges: 0-1, 2, 5, 10, 20*, 50*, and 100* ppm (*applicable to SO2 analysis only) Model 45C H2S Analyzer
    2. The gas analyzer 450C consists of an H2S to SO2 converter coupled to a pulsed fluorescence SO2 analyzer. Continuous H2S monitoring is accomplished by conversion of the H2S in the sample to SO2 and its subsequent detection by the SO2 analyzer according to the following reaction: H2S + 3/2(O2) SO2 + H2O
      Temperature stabilized reaction chamber, excitation intensity stabilization, modular electronic design, pulsed excitation, UV lamp diagnostic.
      Ranges : 0-50, 100, 200, 500, 1000 ppb and 0-1, 2, 5, 10, 20*, 50*, and 100* ppm (*ranges applicable to SO2 analysis only)
      Model 450C Pulsed Fluorescence Analyzer (H2S and SO2)
    3. The gas analyzer 450C-TL Trace level consists of an H2S to SO2 converter coupled to a pulsed fluorescence SO2 analyzer. Continuous H2S monitoring is accomplished by conversion of the H2S in the sample to SO2 and its subsequent detection by the SO2 analyzer according to the following reaction: H2S + 3/2(O2) SO2 + H2O
      The converter section of the Model 450C-TL catalytically converts each H2S molecule to SO2 so that the output of the SO2 analyzer is equal to the concentration of H2S entering the converter. The electronics subtracts the SO2 result from the total signal of sample passing through the converter and provides an H2S reading.
      Temperature stabilized reaction chamber, excitation intensity stabilization, low volume reaction chamber, modular electronic design, pulsed excitation.
      Ranges: 0-10, 20, 50, 100, 200, 500, and 1000 ppb
      Model 450C-TL Pulsed Fluorescence Analyzer (H2S and SO2)

NH3
  • Gas Analyzers of Environnement S.A:
    NH3 -> NO converter: 950C - Unlimited scrubber capacity.
    Two selectable operating modes : Continuous NOx/NY/NH3 (NY=NO+NO2+NH3) and continuous NO/NOx/NO2.
    Ranges: 0-0.05/0.1/0.2/0.5/1 ppm or user selectable ranges
    Ammonia Converter, Model CNH3
  • Gas Analyzers of Teledyne Monitor Labs:
    The gas analyzer 201E NH3 analyzer measures ambient ammonia using the chemiluminescence principle and an APIdesigned external ammonia converter and sampling system.
    Ammonia is difficult to measure accurately because of a tendency to be absorbed into other materials. The stickiness of the gas results in slow response times and inaccurate concentration values. The Model 201E has been designed to overcome the problems of ammonia gas analysis through increased flow, minimum surface area and selected construction materials.
    In operation, sample gas is passed through the M501NH converter, which converts NH3 and other compounds to NO, producing the total oxides of nitrogen (TNX). In the next cycle the sample is routed through a molybdenum converter which converts nitrogen oxides (less NH3) to NO, producing the Tn reading. The difference between these readings (TNX TN = NH3) provides a reading proportional to the NH3 concentration.
    Continuous self checking with warning alarms, external converter, minimal surface area in contact with sample, low absorption wetted parts, heated sample manifold, adaptive filtering optimizes response time, temperature & pressure compensation, internal data logging with 1 min to 24 hour averages.
    Ranges: 0-50 to 0-2,000 ppb, operator selectable; Dual ranges and auto-ranging supported
    Model 201E Chemiluminescent NH3 Analyzer
  • Gas Analyzers of Thermo Electron Corporation:
    Linearity through all ranges, independent NO - NO2 - NOX - NH3 analog ranges, replaceable NO2 and NH3 converter cartridges.
    Ranges: 0-10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000ppb; 0-100, 200, 500, 1000, 2000, 5000, 10000, 20000, 30000 g/m3
    Extended Ranges: 0-0.2, 0.5, 1, 2, 5, 10, 20, 50, 100 ppm; 0-0.5, 1, 2, 5, 10, 20, 50, 100, 150 g/m3
    Model 17C Ammonia Analyzer

Other Components
List of multicomponents in-situ gas analyzers

Details (including list of measured gases) of multicomponents in-situ gas analyzers


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