OFF-SET COMPENSATION TECHNIQUE FOR DUAL ANALYZER GAS EXCHANGE SYSTEMS

GAS DETECTING SYSTEM AND METHOD THEROF

Sensitive and Compact Sensor Employing a Visible Diode Laser and A High Finesse Optical Cavity for Trace Gas Detection (NO2)

Gas concentration measuring apparatus

Corrosion Resistant Gas Cell Formed From Nickel Plated Stainless Steel

System and method for real-time measurement of equivalence ratio of gas fuel mixture

Methods and systems for remote detection of gases

Method to avert an unlawfully intoxicated driver from operating a vehicle by passive measurement of an ethanol vapor concentration in air

Apparatus and method for non-intrusive assessment of gas in packages

Method of analyzing and controlling a combustion process in a gas turbine and apparatus for performing the method

System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles

Hybrid gas analyzer with thermally insulated flow cell

TPIR apparatus for monitoring tungsten hexafluoride processing to detect gas phase nucleation, and method and system utilizing same

Method and apparatus for trace gas detection using integrated wavelength modulated spectra across multiple lines

Passive optical gaseous emissions sensor

Combined raman and IR fiber-based sensor for gas detection

Dynamic reconstruction of a calibration state of an absorption spectrometer

Gas analyzer for measuring at least two components of a gas

Photomixer-waveguide coupling tapers

GAS SENSOR UTILIZING BANDPASS FILTERS TO MEASURE TEMPERATURE OF AN EMITTER

NDIR-two Beam Gas Analyser And Method For Determining The Concentration Of A Measuring Gas Component in a Gas Mixture by means of Said type of Gas Analyser

Sensor utilizing band pass filters

NON-DISPERSIVE INFRARED SENSOR MEASUREMENT SYSTEM AND METHOD

Continuous wavelength tunable laser source with optimum orientation of grating and gain medium

APPARATUS AND METHOD FOR MEASURING SO3 AND H2SO4 CONCENTRATIONS IN GASES

Gas exchange system flow configuration with thermally insulated sample chamber

Gas exchange system flow configuration

Gas exchange system flow configuration

Monitoring, detecting and quantifying chemical compounds in a sample

Energy meter for mixed streams of combustible compounds

Method and apparatus for the detection of trace gas species using multiple line integrated absorption spectroscopy

Optical gas and/or particulate sensors

Gas analyzer

Infrared radiator arrangement for a gas analysis device

Apparatus of absorption spectroscopy for gaseous samples

Intrinsically safe improved sensitivity NDIR gas sensor in a can

QCL spectroscopy system and applications therefor

Probe for gas analysis

METHOD AND DEVICE FOR CONTROLLING OR MONITORING FIRING SYSTEMS AND FOR MONITORING BUILDINGS HAVING GAS BURNERS

Method And Device For Measuring The Concentration Of Substances In Gaseous Or Fluid Media Through Optical Spectroscopy Using Broadband Light Sources

Energy flow measurement in gas pipelines

Dual-etalon cavity ring-down frequency-comb spectroscopy with broad band light source

Optoelectronic apparatus for gas analysis and method

Beam intensity detection in a cavity ring down sensor

Multiple wavelength cavity ring down gas sensor

PHOTOELECTRIC GAS SENSOR DEVICE AND MANUFACTURING METHOD THEREOF

METHOD AND APPARATUS FOR SPECIATING HYDROCARBONS

Method and apparatus for liberating gases from drilling fluid

Gas concentration monitor

Apparatus for measurement of gas concentrations in breath

Validation and correction of spectrometer performance using a validation cell

Spectrometer with validation cell

CONSTRUCTION UNIT, COMPRISING A LIGHT DETECTOR, AND A PROCESS TO ASSEMBLE SUCH CONSTRUCTION UNIT TO A CARRIER, SUCH AS PRINTED CIRCUIT CARD

Prediction of wax appearance temperature and solid wax amount by reduced spectral analysis using FTIR spectroscopy

Adsorptive gas analyzer

Compact handheld non-laser detector for greenhouse gasses

Ultrasensitive detection of isotopes, chemical substances and biological substances using laser wave mixing detectors

Method and apparatus for determining gas flux

Measurement device and method for analyzing a sample gas by infrared absorption spectroscopy

Gas monitoring device, combustion state monitoring device, secular change monitoring device, and impurity concentration monitoring device

Filter wheel spectrometer

Total reflection terahertz wave measurement device

Optical arrangement for determining the concentration of a substance in a fluid

ARRANGEMENT RELATED TO A GAS SENSOR

Arrangement adapted for spectral analysis of high concentrations of gas

Multi-channel optical cell

VCSEL WITH INTEGRAL RESISTIVE REGION

Open-Path Near Real-Time Full Wall Emissions Monitoring Method

APPARATUS FOR DETERMINING CONCENTRATION OF GASEOUS COMPONENT

Method for determining the gas quality of a sample gas mixed at least in part with biogas or processed biogas

Apparatus and method for determining concentration of gaseous component

Pressure controlled spectroscopic heating value sensor

Methods of Analyzing Samples Using Broadband Laser Light

Super-miniaturized NDIR gas sensor

Analysis apparatus

Long optical path gas monitor

Photometrically modulated delivery of reagents

GAS DETECTION DEVICE

Method for detection of gases by laser spectroscopy, and gas sensor

Infrared spectroscopy

METHODS AND APPARATUSES FOR IMPROVING BREATH ALCOHOL TESTING

Polarimetric hyperspectral imager

Carbon measurement in aqueous samples using oxidation at elevated temperatures and pressures

Carbon measurement in aqueous samples using oxidation at elevated temperatures and pressures

Carbon measurement in aqueous samples using oxidation at elevated temperatures and pressures

Carbon measurement in aqueous samples using oxidation at elevated temperatures and pressures

EGR ratio measuring device

Systems and apparatus relating to the monitoring and/or controlling of selective catalytic reduction processes

Remote vehicle emissions sensing system and method for differentiating water from hydrocarbons

Gas mixture measurement system and methods therefor

ARRANGEMENT ADAPTED FOR SPECTRAL ANALYSIS OF SMALL CONCENTRATIONS OF GAS

Method for multi-spectral detection of aerosols

Non-destructive inspection device for oxygen concentration in bag-shaped container

METHOD FOR DETERMINING THE GAS QUALITY OF SYNTHESIS GAS

Calibration system and method of using mid-IR laser measure and monitor exhaust pollutant

Device and method of examining absorption of infrared radiation

Optical system and method for inspecting fluorescently labeled biological specimens

Optical absorption gas analyser

Transmission quantification of open path FTIR spectra with temperature compensation

Microstructured sensor for the detection of IR radiation

Laser diode structure with integrated temperature-controlled beam shaping element and method for gas detection by means of a laser diode structure

ARRANGEMENT ADAPTED FOR SPECTRAL ANALYSIS

CARRIER AND ADHESION AMOUNT MEASURING APPARATUS, AND MEASURING METHOD, PROGRAM, AND RECORDING MEDIUM OF THE SAME

Laser source that generates a plurality of alternative wavelength output beams

Tactical chemical biological threat detection

Reactive gas detection in complex backgrounds

Quantum infrared sensor and quantum infrared gas concentration meter using the same

STAND-OFF ACTIVE DETECTION OF CHEMICAL SUBSTANCES

Apparatus for detecting carbon dioxide concentration in unsaturated zone, and carbon dioxide concentration monitoring method

Method and apparatus for determining gas flux

GAS CONCENTRATION MEASUREMENT DEVICE AND METHOD THEREOF

Method and apparatus for gas detection based on spectral spatial misregistration

Absorption biased NDIR gas sensing methodology

Device and method for quantification of gases in plumes by remote sensing

Optical absorbance measurements with self-calibration and extended dynamic range

Non-dispersive infrared gas analyzer

Infrared optical gas-measuring device

Adjustable Interference Filter

False alarm recognition in hyperspectral gas plume identification

Device for remote sensing of vehicle emission

Spectroscopic gas sensor and method for ascertaining an alcohol concentration in a supplied air volume, in particular an exhaled volume

Device for the centralized management of measurements and data relating to the liquid and gas flows needed for the operation of a combustion engine

OPTICAL MEASUREMENT OF SAMPLES

Multi-analyte optical computing system

Multiplex tunable filter spectrometer

Environmental control of fluid samples, calibration, and detection of concentration levels

Gas sensor with an especially explosion-proof housing

METHOD FOR OPERATING AN FTIR SPECTROMETER, AND FTIR SPECTROMETER

Interferometer system and method for its operation

HYDROCARBON CONCENTRATION MEASURING APPARATUS AND HYDROCARBON CONCENTRATION MEASURING METHOD

Saturation filtering NDIR gas sensing methodology

Respiratory waveform analyzer

Infrared spectrophotometer and auxiliary device therefor

Fire detector

Binning and tomography for high spatial resolution temperature and species concentration measurements

Evaluation device for evaluating measuring signals, measuring device and method for receiving and evaluating measuring signals

Compact handheld detector for greenhouse gasses

Compact handheld non-laser detector for greenhouse gasses

Optical determination and reporting of gas properties

Gas concentration-measuring device

Method and apparatus for siloxane measurements in a biogas

Detector system and method to detect or determine a specific gas within a gas mixture

Photometrically modulated delivery of reagents

Absorption spectrometric apparatus for semiconductor production process

Gas analyzer

System and method for detecting a target substance

Reactive gas detection in complex backgrounds

System of systems for monitoring greenhouse gas fluxes

IN-SITU DEVICES, SYSTEMS, AND METHODS FOR GAS SPECIES MEASUREMENT

Breath analyzer system and method of operating the same

Spectrometer flip top sample head

Method and Apparatus to Determine Characteristics of an Oil-Based Mud Downhole

METHODS AND APPARATUSES FOR DETECTING ODORS

Kernel-based method and apparatus for classifying materials or chemicals and for quantifying the properties of materials or chemicals in mixtures using spectroscopic data

Device for quantifying the contents of at least one gaseous constituent contained in a gaseous sample from a fluid, related assembly and process

Method for monitoring by absorption spectroscopy during the forming of flat glass and monitoring device

Carbon measurement in aqueous samples using oxidation at elevated temperatures and pressures

Optical measuring cell and gas monitor

System, apparatus and method for detecting unknown chemical compounds

Spectral signal detection system

Analysis device

Gas detector

METHOD AND DEVICE FOR GAS ANALYSIS

GAS ANALYZING UNIT AND AIRWAY ADAPTER

GAS MONITORING SYSTEM AND SIDESTREAM GAS MEASUREMENT SYSTEM ADAPTED TO COMMUNICATE WITH A MAINSTREAM GAS MEASUREMENT SYSTEM

Detector arrangement for a nondispersive infrared gas analyzer and method for the detection of a measuring gas component in a gas mixture by means of such a gas analyzer

Device for the remote optical detection of gas

METHOD FOR THE ONLINE ANALYSIS OF A VAPOUR PHASE PROCESS STREAM

System and method for detecting gas leaks

STANDOFF DETECTION FOR NITRIC ACID

Pressurized detectors substance analyzer

Compact gas sensor using high reflectance terahertz mirror and related system and method

Hybrid gas analyzer

Gas analyzer

High reflectance terahertz mirror and related method

Methods of characterizing and measuring particulate filter accumulation

Energy flow measurement in gas pipelines

MINIATURE THERMOPILE SENSOR

Infrared gas detection and spectral analysis method

Multigas Monitoring and Detection System

Multipass optical device and process for gas and analyte determination

Simplified beam splitter for IR gas sensor

System and method for detecting, tracking and identifying a gas plume

GAS DETECTOR

Portal

Multi mode fibre perturber

Gas detector system and method

INTERACTIVE ALCOMETRY

GAS SAMPLING DEVICE AND METHOD FOR COLLECTION AND IN-SITU SPECTROSCOPIC INTERROGATION OF VAPORS AND AEROSOLS

Methods and apparatus for decreasing a density of a downhole fluid

Multi-sensor gas detectors

Methods of analyzing samples using broadband laser light

METABOLIC MEASURE SYSTEM INCLUDING A MULTIPLE FUNCTION AIRWAY ADAPTER

Control and optimization of process for making ethylene oxide

Device for quantifying the relative contents of two isotopes of at least one specific gaseous constituent contained in a gaseous sample from a fluid, related assembly and process

Fuel cell instrumentation system

Methods and systems for chemical composition measurement and monitoring using a rotating filter spectrometer

Gas detecting method and gas detecting apparatus

Method and apparatus for measuring methanol vapor concentration, method of controlling methanol vapor concentration in a fuel cell, and fuel cell using the same

DISTRIBUTED GAS DETECTION

Compact near-IR and mid-IR cavity ring down spectroscopy device

Energy-efficient operating method for a gas sensor

Sample concentration detector with temperature compensation

Infrared radiation sources, sensors and source combinations, and methods of manufacture

Ultraviolet lidar for detection of biological warfare agents

METHOD OF MONITORING PRESSURE OF A GAS SPECIES AND APPARATUS TO DO SO

LASER DIODE ARRANGEMENTS AND METHOD FOR GAS DETECTION

Apparatus and method for rapid and accurate quantification of an unknown, complex mix

Gas analyzer and gas analyzing method

Use of spectroscopic techniques to monitor and control reactant gas input into a pre-pump reactive gas injection system

Measuring gas sample holder for measuring the concentrations of gas components and process for manufacturing a measuring gas sample holder

Method of Exhaled Gas Measurement and Analysis and Apparatus Therefor

LIGHT SOURCE AND GAS MEASURING DEVICE

APPARATUS AND METHOD FOR OPTICALLY DETERMINING THE PRESENCE OF CARBON DIOXIDE

GAS CELL USING TWO PARABOLIC CONCAVE MIRRORS AND METHOD OF PRODUCING GAS SENSOR USING THE SAME

Gas-measuring arrangement with an open optical measuring section

Optical absorption gas analyser

Methods and systems for analyzing a volume of gas

PORTABLE MEMS-BASED SPECTRAL IDENTIFICATION SYSTEM

Automatic And Continuous Quantitative Analysis Method And Apparatus For Multiple Components

Tunable photonic crystal

Device for indicating illicit substances in the exhalation air of a machine operator

Optical analysis device

Dome Gas Sensor

Optical gas detection

Spectroscopic Prediction of Formaldehyde Emission and Thickness Swell of Wood Panels

Exhaust gas analyzer and exhaust gas analyzing method

Cell phone based MEMS fourier transform infrared (FTIR) gas sensors

Optical analysis system and elements to isolate spectral region

Waveguide, and device and detection method using the same

Method and system for monitoring plant operating capacity

Spectroscopic analysis and control

Laser source that generates a plurality of alternative wavelength output beams

ANALYZER SYSTEM AND OPTICAL FILTERING

Gas analyzer system

Optical arrangement for determining the concentration of a substance in a fluid

ALKYLAROMATIC DEHYDROGENATION SYSTEM AND METHOD FOR MONITORING AND CONTROLLING THE SYSTEM

Inspection apparatus and inspection method by using terahertz wave

Exhaust gas analysis method and exhaust gas analysis apparatus

OPTICAL SYSTEM AND METHOD FOR INSPECTING FLUORESCENTLY LABELED BIOLOGICAL SPECIMENS

GAS IMAGING SYSTEM

Gas sensing apparatus and method of sensing gas using the same

Method and apparatus for spectroscopic analysis

Gas measurement system

Detector/imager

Optical cavity for gas sensor

Apparatus For Spectroscopically Analyzing A Gas

Detection system for detecting an analyte in a fluid medium

Human cavity gas measurement device and method

IR SPECTROGRAPHIC APPARATUS AND METHOD FOR DIAGNOSIS OF DISEASE

Sensor unit in exhaust gas analyzer

Sensor for measuring carbon dioxide in respiratory gas

Optical gas detector

System and method for downhole optical analysis

Method and apparatus for detecting wood eating insect infestation in enclosed shipping containers or in trees

Hollow waveguide cavity ringdown spectroscopy

Remote sensor and in-situ sensor system for improved detection of chemicals in the atmosphere and related method thereof

Structure for diagnosis system of reaction process

Method of monitoring pressure of a gas species and apparatus to do so

Exhaust gas analyzer

Reflector module for a photometric gas sensor

Monitoring system comprising infrared thermopile detector

Energy meter for mixed streams of combustible compounds

Optical cavity system having an orthogonal input

Method and apparatus for detecting gas conveyed by drilling fluids

Gas sensor

Infrared spectrometer

Method for Methane Spectral Absorbance Calculation Using Sunlight

OPTICAL GAS SENSOR

Energy flow measurement in gas pipelines

Cars/absorption dual mode electro-optic sensor

Cuvette

Nanocomposite material for direct spectroscopic detection of chemical vapors

Low-Power Fast Infrared Gas Sensor, Hand Held Gas Leak Detector, and Gas Monitor Utilizing Absorptive-Photo-Acoustic Detection

Thermal selectivity multivariate optical computing

Interference filter

Reactive gas detection in complex backgrounds

Target substance sensor and method thereof using a photonic crystal

Multigas monitoring and detection system

Infrared gas sensing apparatus and method

Gas and/or flame imaging system with explosion proof housing

Methods and apparatus for evaluating insulating glass units

Optical absorption gas sensor

Laser Radiation Source

Method and apparatus for gas concentration quantitative analysis

Method for detecting a fire condition in a monitored region

Pressure-invariant trace gas detection

Device for and Method of Measurement of Chemical Agents Quantity in Gas Medium

Gas Concentration Measuring Method, Program and Apparatus With Determination of Erroneous Detection

Photometrically modulated delivery of reagents

Optical waveguide sensor and method of manufacture

Two line gas spectroscopy calibration

Pressurized detectors substance analyzer

Non-dispersive electromagnetic radiation detector

Infrared Laser Based Alarm

Matched optical waveforms for detection and identification of biological pathogens

Optical gas concentration detector and method of producing structure used in the detector

Adjustable Interference Filter

Method and Sensor for Infrared Measurement of Gas

Method for measuring for permeability to gases with rapid conditioning and installation for carrying out this method