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Flue Gas Analyzer
Flue Gas Analyzer

Flue Gas Analyzer

Cubic Instruments flue gas analyzer are based on Dual Beam NDIR/ Micro-flow NDIR/UV-DOAS/NDUV/TDLAS/ECD technologies for CO, CO2, CH4,SO2, NO, NO2,NH3,O2 measurement from PPM level to percentage.Which are widely used in various applications,such as Boiler, furnace exhaust emission gas and combustion efficiency monitoring, cement production line process and security monitoring.

Product Recommendation Matrix

Sensor Bench


Model Technology Measurement Gas Range Feature
Min Range Max Range

Micro-flow NDIR Gas Bench Gasboard2105Gasboard2105

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Micro-flow NDIR SO2 0-200ppm 0-5% • Patented (PCT/CN2018100767) Micro-flow NDIR sensor with dual-chamber design for measured gas and reference gas
• Except SO2 and NO, it also can measure CO, CO2,CH4,N2O and SF6
• One sensor bench measure one gas separately, flexible for integration
• Automatic temperature compensation
• Built-in moisture adjustment device, eliminate the interference from H2O
• Measurement range can be customized
NO 0-200ppm 0-5%
CO 0-200ppm 0-5%
CO2 0-200ppm 0-5%
CH4 0-500ppm 0-10%
N2O 0-500ppm 0-10%

UV DOAS Gas Bench Gasboard2205Gasboard2205

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UV DOAS SO2+NO 0-50mg/m3 0-5000mg/m3 • One chamber for up to 3 gases components measurement simultaneously
• Measurement NO2 directly without converter
• Suitable for ultra-low measurement of SO2,NO,NO2, the lowest range to be 0-50mg/m3
• No moisture and vibration interference
NO+NO2 0-100mg/m3 0-5000mg/m3
SO2+NO+NO2 0-100mg/m3 0-5000mg/m3

UV DOAS Gas Bench Gasboard2205Gasboard2305

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NDUV NO2 0-200ppm 0-500ppm • Measurement NO2 directly without converter
• Can combine with Micro-flow NDIR NO sensor for optical NOX measurement
• No moisture and vibration interference

Dual-beam NDIR Gas Bench Gasboard2005Gasboard2005

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Dual-beam NDIR CO2 0-500ppm 0-100% • Measurement high concentration CO,CO2,CH4
• Measurement range can be customized
• No moisture and vibration interference



Flue Gas Analyzer


Model Technology Measurement Gas Range Typical Configuration Feature
Min Range Max Range

Online Infrared Flue Gas AnalyzerGasboard3000Plus

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Micro-flow NDIR SO2 0-200ppm 0-5% SO2+NO+O2
CO+O2
CO+CO2+O2
SO2+NO+CO+O2
SO2+NO+CO+CO2+O2
NO+NO2
CO+CH4+N2O+CO2+O2
• Best choice for measuring SO2, NO, CO, CO2,CH4 and N2O ≥ 200ppm
• One analyzer can max integrate three Micro-flow NDIR sensor + One dual beam NDIR sensor+ one ECD
• Micro-flow NDIR measure NO + NDUV meausre NO2 to NOx measurement with high accuracy
NO 0-200ppm 0-5%
CO 0-200ppm 0-5%
CH4 0-500ppm 0-10%
N2O 0-500ppm 0-10%
Dual-beam NDIR CO2 0-500ppm 0-100%
NDUV NO2 0-200ppm 0-500ppm
ECD O2 0-5% 0-100%

Online UV DOAS Flue Gas AnalyzerGasboard3000UV

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UV DOAS SO2 0-100mg/m3 0-1000ppm SO2+NO+O2
SO2+NO+NO2+O2
NO+NO2
• Best choice for measuring SO2, NO ≤ 200ppm & optional NO2 measurement
• Measurement NO and NO2 simultaneously without NOx converter
• No optical moving parts, without vibration impact
NO
NO2 0-2000ppm
ECD O2 0-5% 0-100%



Continuous Emission Monitoring System (CEMS)


Model Analyzer part Technology Measurement gas Typical Configuration Application

Continuous Emission Monitoring System (CEMS)Gasboard-9050

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Gasboard-3000Plus Micro-flow NDIR
Dual-beam NDIR
NDUV
ECD
SO2,NO,NO2,CO,CO2,O2 SO2+NO+O2
CO+O2
CO+CO2+O2
SO2+NO+CO+O2
SO2+NO+CO+CO2+O2
NO+NO2
CO+CH4+N2O+CO2+O2
• Pollution Emission Monitoring
• Security Monitoring
• Combustion Control
Gasboard-3000UV
UV DOAS
ECD
SO2,NO,NO2,O2 SO2+NO+O2
SO2+NO+NO2+O2
NO+NO2

Ship CEMSGasboard-9085

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Gasboard-2205 UV DOAS SO2 or SO2+NO SO2+CO2
SO2+NO+CO2+O2
SO2+NO+NO2+CO2+O2
• Ship Emission Monitoring
Gasboard-2005 Dual Beam NDIR CO2
ECD ECD O2

High Temperature UV Flue Gas Monitoring SystemGasboard-9070

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Gasboard-2205
High temperature
UV-DOAS
NH3 or SO2+NO+NH3 NH3
SO2+NO+NH3
• Desulfuration (FGD)
• Denitration (DeNOx)

Laser Ammonia Slip Gas AnalyzerGasTDL-3000

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TDLAS TDLAS NH3 0-20ppm up to 0-9999ppm
* Other ranges available on request
• SCR or SNCR denitrification device
• NH3 gas slip emission monitoring
• Process monitoring.
O2
CO
CH4
H2S
H2O
CO2
C2H2
*Available on Request
O2: 0-1% up to 0-100%
CO: 0-1000ppm up to 0-100%
CH4: 0-1000ppm up to 0-20%
H2S: 0-10ppm up to 0-5%
H2O: 0-10ppm up to  0-5000 ppm
CO2: 0-10ppm up to 0-5%
C2H2: 0-10ppm up to  0-5000 ppm
* Other ranges available on request
• Safety control
• Process Cotrol
• Inertization

Browse All Products

Flue Gas Analyzer

  • Online Flue Gas AnalyzerGasboard-3600UV
    Gasboard-3600UV
    Online Flue Gas Analyzer
    The high-temperature UV flue gas analyzer adopted ultraviolet differential (UV-DOAS) technology and combined with Hot & Wet sampling technology to achieve direct measurement of high-temperature raw flue gas. It can simultaneously measure the concentration of SO2, NO, NO2 (other gases can be extended on request) in the emission gas from stationary sources of air pollution. Compared with the traditional Cold & Dry method analyzers, it requirs no condensing equipment and can effectively avoid the condensation loss of SO2 and other sour gas substances, and reach the higher measurement accuracy. The raw flue gas can be analyzed through a simple flow path, so Gasboard-3600UV can effectively reduce the failure rate of the instrument and save maintenance cost.
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  • Ultrasonic Flue Gas FlowmeterGasboard-7900
    Gasboard-7900
    Ultrasonic Flue Gas Flowmeter
    Gasboard-7900 is a high temperature ultrasonic flowmeter independently developed by Cubic Instruments. Based on the TOF (Time of Flight) principle of ultrasonic wave, one or more pairs of ultrasonic transmitting and receiving devices are installed in the direction of the upstream and upstream of the medium respectively, and the gas flow rate in the flue is calculated through the time difference of ultrasonic wave transmission, and the volume flow rate of the flue gas is calculated according to the cross-sectional area of the flue duct. This flowmeter adopts the non-contact measurement method, which can effectively solve the measurement difficulties such as unstable flow field and uneven flow velocity distribution in the pipeline, and can maintain continuous real-time stable monitoring in the harsh environment of high temperature, high humidity and high dust during the flue gas discharge process.
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  • Online Infrared Flue Gas AnalyzerGasboard-3000Plus
    Gasboard-3000Plus
    Online Infrared Flue Gas Analyzer
    Gasboard 3000Plus is designed with world-leading micro-flow infrared sensor, is able to measure continuously simultaneously concentration of CO,CO2,SO2,NO,especially for lower range measurement. It is an ideal solution for monitoring in fields of boiler, power plant, combustion efficiency monitoring for various industrial furnaces or refuse incinerator, process and security monitoring.
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  • Online  UV DOAS Flue Gas AnalyzerGasboard-3000UV
    Gasboard-3000UV
    Online UV DOAS Flue Gas Analyzer
    Gasboard 3000UV is designed based on ultraviolet differential optical absorption spectroscopy (UV-DOAS) technology. Compared with the Luft NDIR and Micro-flow NDIR flue gas analyzer, it can measure ultra-low range (0-50mg/m3) of SO2 and NO, which is widely used in industrial emission monitoring to ensure the compliance with local emission regulation.
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  • Greenhouse Gas Emission AnalyzerGasboard-3000GHG
    Gasboard-3000GHG
    Greenhouse Gas Emission Analyzer
    Cubic Instruments (a wholly-owned subsidiary of Cubic sensor) independently developed Gasboard 3000GHG greenhouse gas emission analyzer. Adoptting the independent intellectual property rights of Micro flow NDIR dual-chamber sensor technology (international PCT patent PCT/CN2018100767), Cubic Instruments portable greenhouse gas emission analyzer Gasboard 3000GHG can accurately measure the greenhouse gases concentration change of CO2, CH4, N2O etc and CO gas in flue gas at the same time. The range can be as low as 200ppm, the accuracy can be as high as 1%F.S.. Besides it has strong resistance to gas cross interference and low drift. At the same time, for high concentration of CO2 and high range CO measurement, NDIR gas sensor technology sensor modules with intellectual property rights are optional for flexible configuration. Good stability, small size and low cost.
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  • Portable Greenhouse Gas Emission AnalyzerGasboard-3800GHG
    Gasboard-3800GHG
    Portable Greenhouse Gas Emission Analyzer
    Cubic Instruments portable greenhouse gas emission analyzer Gasboard 3800GHG can accurately measure the greenhouse gases concentration change of CO2, CH4, N2O etc and CO gas in flue gas at the same time.
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  • Portable Infrared Flue Gas AnalyzerGasboard-3800P
    Gasboard-3800P
    Portable Infrared Flue Gas Analyzer
    It is portable type and used to measure concentration of SO2, NO, CO, CO2 and O2 from stack or boiler emission gases, in which SO2, NO, CO and CO2 are measured by micro-flow infrared sensors and O2 by electrochemical sensor, with optional gas temperature, pressure, velocity etc, calculating combustion efficiency, lambda, etc.
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  • Portable Infrared Flue Gas AnalyzerGasboard-3800Plus
    Gasboard-3800Plus
    Portable Infrared Flue Gas Analyzer
    Gasboard 3800Plus is new portable type to measure concentration of SO2, NO, CO, CO2 and O2 from stack or boiler emission gases, in which SO2, NO, CO are measured by unique dual beam micro-flow infrared sensors and O2 is measured by long life time electrochemical sensor.
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  • Portable UV Flue Gas AnalyzerGasboard-3800UV
    Gasboard-3800UV
    Portable UV Flue Gas Analyzer
    Gasboard 3800UV is new portable type adopts the UV DOAS, NDIR and electrochemical technology to measure concentration of SO2, NO, CO, CO2, HC and O2 from stack or boiler emission gases.
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  • Portable Infrared Combustion Efficiency AnalyzerGasboard-3400P
    Gasboard-3400P
    Portable Infrared Combustion Efficiency Analyzer
    It is portable type, it is powered by Li- ion battery and can be used without AC power supply. It is used for measurement of the concentration of CO ,CO2 and O2 in sample gases simultaneously, calculating combustion efficiency and Lambda. It is based on the single source two beams non-dispersion infrared (NDIR) method for CO ,CO2,fuel cell method (ECD) for O2.
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  • Portable Flue Gas AnalyzerGasboard-3000P
    Gasboard-3000P
    Portable Flue Gas Analyzer
    It is economical portable type which mainly based on electrochemical sensors to measure the volume concentration of CO,CO2 ,O2 ,SO2 ,NO in flue gas and to figure out excess air coefficient. This product has high precision, small volume, it is convenient to carry, simple to operate and it is extensively applied in steel, chemical, energy conservation monitoring, energy efficiency evaluation and other fields.
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  • Flue Gas Oxygen & Humidity AnalyzerGasboard-3050
    Gasboard-3050
    Flue Gas Oxygen & Humidity Analyzer
    Gasboard-3050 the Humidity & Oxygen Analyzer uses the principle of ceramic zirconia to measure the oxygen content and the content of oxygen and water (gaseous) mixed gas. According to the functional relationship between the oxygen content, the content of oxygen and water (gas) mixture and the sensor output signal, the humidity value and oxygen concentration value are calculated, and the humidity and oxygen concentration signals are output, which can provide an accurate basis for environmental humidity monitoring.Gasboard-3050 features high accuracy, strong stability and long service life. It is a type of removable oxygen & humidity analyser, providing an ideal flue gas monitoring solution used in the condition of high temperature and humidity. It meets the technical requirements of online continuous flue gas emission monitoring system in regulation .
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Continuous Emission Monitoring System (CEMS)

  • Continuous Emission Monitoring System (CEMS)Gasboard-9050
    Gasboard-9050
    Continuous Emission Monitoring System (CEMS)
    The continuous emission monitoring system is based on innovative micro-flow NDIR technology to measure the SO2, NO, CO, CO2 and O2 (ECD or paramagnetic) five gases at the same time. Eliminate the ambient’s temperature influence on measurement value and less interference of water vapor on SO2 and NO measurement. It has excellent prolonged stability and less cross interference.
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  • Continuous Emissions Monitoring System for Marine Exhaust GasGasboard-9085
    Gasboard-9085
    Continuous Emissions Monitoring System for Marine Exhaust Gas
    In order to protect the environment, the emission gases from the maritime industry are subject to international and national laws and regulation. All of the ship owners should establish compliance with environmental requirements defined by the international Maritime organization (IMO).
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  • TDLAS Gas Analyzer GasTDL-3000GasTDL-3000
    GasTDL-3000
    TDLAS Gas Analyzer GasTDL-3000
    Laser Ammonia Slip Gas Analyzer GasTDL-3000 adopts tunable diode laser absorption spectroscopy technology (TDLAS), which is suitable for online monitoring of ammonia gas concentration at the outlet of denitration process. The system adopts high temperature heat tracing extraction technology, which effectively reduces gas condensation loss. It accurately reflects the changes of escaped ammonia concentration in real time, and provide reliable data support for environmental monitoring.
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  • High Temperature UV Flue Gas Monitoring SystemGasboard-9070
    Gasboard-9070
    High Temperature UV Flue Gas Monitoring System
    High Temperature UV Flue Gas Monitoring System Gasboard-9070 is based on advanced UV-DOAS gas analysis technology, which can simultaneously measure the concentration of SO2, NO, NH3 and other gases. It adopts multiple reflection chamber to reach a lower limit of detection. The system adopts high temperature tracing on whole sampling circuit to ensure high measurement accuracy, that can be widely used to monitor the flue gas from industrial stacks or stationary pollution source before and after desulfurization and denitrification, and accurately reflect the conditions of ammonia escaping.
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OEM Gas Bench

  • GFC Infrared Gas Sensor BenchGasboard-2601
    Gasboard-2601
    GFC Infrared Gas Sensor Bench
    Gasboard-2601 gas filter correlation (GFC) infrared gas sensor is a high-performance gas analysis sensor independently developed by Cubic-ruiyi (a wholly-owned subsidiary of Cubic Sensor and Instrument Co.,Ltd). The gas sensor bench is based on the principle of non-dispersive infrared (NDIR) technology and adopts gas filter correlation (GFC) infrared absorption technology. By comparing the absorption degree of sample gas and reference gas, the concentration of measured gas is calculated according to the absorption relationship of Lambert-Beer law, and the detection error caused by gas interference is effectively eliminated through the reference gas chamber. The product adopts reliable and stable light source, high-performance detector and precision signal processing circuit, with high measurement accuracy, strong anti-interference ability and long-term stability. It is especially suitable for situations where gas concentration is low, absorption is weak and long-term monitoring is required. The product adopts
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  • TDLAS Gas Sensor ModuleGasboard-2520
    Gasboard-2520
    TDLAS Gas Sensor Module
    The Gasboard-2520 series is a high-performance gas analysis sensor module independently developed by Cubic Instruments (Wuhan)Ltd. It is based on tunable diode laser (TDL) absorption spectroscopy and uses high-performance probes and special process gas chamber. It has the characteristics of high precision, high sensitivity, strong anti-interference ability, long life and stable performance. The product adopts modular design and is easy to install. The product can be calibrated through the RS-232/485 communication interface. The constant temperature design effectively avoids the impact of temperature changes on the sensor and can work stably in harsh working conditions and complex gas environments.
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  • Optical NDIR Multi-Gas SensorGasboard-2006
    Gasboard-2006
    Optical NDIR Multi-Gas Sensor
    Gasboard-2006 is a high performance infrared gas sensor bench developed by Cubic Instruments based on NDIR technology. It adopts high performance detector and special process gas chamber to detect gases under constant temperature, with characteristics of high precision, small drift and fast response.
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  • Dual Beam NDIR  Gas BenchGasboard-2005
    Gasboard-2005
    Dual Beam NDIR Gas Bench
    The Gasboard-2005 series NDIR gas bench is suitable for vehicle emission or exhaust gas measurement, which adopts the high-precision dual-beam non-dispersive infrared (NDIR) gas analysis technology with independent intellectual property rights, based on the characteristics of the specific wavelength absorption of gas molecules to measure the light absorption rate of each gas then detect the concentration. Cubic Instruments has many years of experience in OEM/ODM supporting of Fortune 500 companies, which can meet the different needs of customer system development.
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  • Micro Flow NDIR  Gas BenchGasboard-2105
    Gasboard-2105
    Micro Flow NDIR Gas Bench
    Gasboard 2105 Micro flow NDIR gas bench adopt independent intellectual property rights and international PCT patent (PCT/CN2018100767) dual‐chamber sensor technology. The gas chamber is composed of the measured gas chamber and the reference gas chamber. The Gasboard‐2100 serials uses a dual chamber structure and special filters to solve environmental temperature instability and aging of electronic components. With improved accuracy, stability and anti‐interference, it is suitable for low range vehicle exhaust emission detection and environmental monitoring.
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  • UV-DOAS Gas BenchGasboard-2205
    Gasboard-2205
    UV-DOAS Gas Bench
    Gasboard-2200 series UV-DOAS gas bench adopt high-precision ultraviolet differential absorption spectroscopy gas analysis technology. With flashing xenon lamp as light source, when the light is transmitted in the measured gas, the intensity of the differential absorption characteristic produced is different which is used to derive the gas concentration & gas type Using a unique algorithm, the long path is returned to the gas chamber multiple times to get high sensitivity & strong absorption signal, at the same time it support long service life and good stability. It can accurately measure the gas concentration of SO2, NO and NO2. The measurement range is less than 100mg/m3, which can completely fulfill the needs of the ultra-low emission monitoring market.
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  • NDUV Ultra-low NO2 Gas benchGasboard-2305
    Gasboard-2305
    NDUV Ultra-low NO2 Gas bench
    Gasboard-2305 adopts non-dispersive ultraviolet absorption (NDUV) technology and highly stable pulsed LED UV source. The UV beam is absorbed & attenuated when passes through the gas chamber. The measured gas concentration is calculated according to Lambert-Beer law. The UV absorption method gas sensor is newly launched by Cubic Instruments, which is different from the UV differential method, measure the NO2 concentration with high accuracy and strong anti-interference. It is suitable for environmental monitoring.
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Flue Gas Analyzer

Cubic Instruments flue gas analyzer are based on Dual Beam NDIR/ Micro-flow NDIR/UV-DOAS/NDUV/TDLAS/ECD technologies for CO, CO2, CH4,SO2, NO, NO2,NH3,O2 measurement from PPM level to percentage.Which are widely used in various applications,such as Boiler, furnace exhaust emission gas and combustion efficiency monitoring, cement production line process and security monitoring.
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Product Recommendation Matrix

Product Type0

Measurement Technique 0

Ultrasonic 1
GFC 1
NDUV 2
Zirconia 1
TDLAS 2
UV-DOAS 5
NDIR 4

Measurement Object 0

HF 1
H₂O 2
O₂ 2
HCL 1
NH₃ 2
N₂O 3
CH₄ 5
CO₂ 6
CO 6
NO₂ 4
NOx 8
SOx 8

Fuel Type 0

Application 0

Ship CEMS 3
SCR 5
SNCR 2
DeNOx 9
FGD 8
Boiler Monitoring 10
Stack Monitoring 9
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Flue Gas Analyzer

Continuous Emission Monitoring System (CEMS)

OEM Gas Bench

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You can contact Cubic Instruments by telephone or email, or you can submit an online Request for Quotation Form.
For Sales: sales@gasanalyzer.com.cn
For Administration: info@gasanalyzer.com.cn

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