Navigation : EXPO21XX > SENSORS & CONTROLS 21XX > H33: Gas Analysis Sensors > Fresenius Umwelttechnik
  • Offer Profile
  • Leading manufacturer of gas analyzers and gas analyzis systems

    All analysers and systems are developed, tested and manufactured in-house, while our laboratory takes care of the calibration.
    Our devices are tailor-made to fit the requirements of the individual branches.  We focus on quick readiness for operation and user-friendly operating concepts. Be it stationary or mobile measurement, continuous or quasi-continuous measurement or measurements in hot gas flows and/or with a complex matrix: we implement our devices so as to achieve maximum customer benefits.
Product Portfolio
  • Product Overview

  • We have been merging know-how with innovation for more than 25 years and are committed to always providing you with the perfect solution for your metrological requirements. Our products are smart, easy-to-operate and low-maintenance devices. When using the respective sample gas processing equipment, maintenance works are usually only required once a year. Our patented NDIR measuring principle allows for calibration with long-term stability so that there is usually no need for regular checks and recalibration with expensive test gases.
      • Stationary Gas Analyzers

      • Stationary analyzers made by Fresenius Umwelttechnik are equipped with a built-in sample gas pump and a touch display. They are delivered pre-calibrated and incorporated into your process.

        You can choose from all common data communication interfaces, optional measuring points, a comprehensive list of available substances and detectors, large measuring ranges and much more!
          • Single Gas Analyzers

              • Gas Analyzer GA210

              • For stable and efficient online measurement in all kinds of processes
                • Chemical industry
                • Recycling
                • Environment
                • Monitoring
                • Control
                • Pharmaceuticals industry
                • …and other fields

                Technical data
                • Housing:
                  19 inch rack, 400 mm deep, IP 20
                • Sample gas inlets:
                  1-inlet standard version, expandable to a max. of 8 inlets
                • Almost unlimited number of externally controllable sample gas inlets
                • Measuring ranges:
                • Depending on the gas
                • Number of gas components:
                • NDIR 1
                • EC 1
                • Built-in sample gas pump
                Optional data interfaces:
                • Analogue, 4–20 mA
                • Profibus
                • Profinet
                • Modbus TCP
                • Ethernet IP

                Measurement technology

                • NDIR
                • Single-beam principle, cuvette heated to 80 °C
                • EC
                • Electrochemical reaction procedure
                • Automatic zero adjustment
              • Paramagnetic Gas Analyzer GA210 O2

              • For measuring & monitoring the oxygen concentration in process gases
                • Chemical industry
                • Recycling
                • Recycling of cooling appliances
                • Environment
                • Pharmaceuticals industry
                • … and other fields

                Technical data

                • Housing:
                  19 inch rack, 400 mm deep, IP 20
                • Sample gas inlets:
                  1 + 2 calibration inlets (nitrogen, oxygen)
                • Measuring ranges:
                  0–25 % vol
                  0–50 % vol
                  0–100 % vol
                • Paramagnetic measuring cell
                • Built-in sample gas pump
                Optional data interfaces:
                • Analogue, 4–20 mA
                • Profibus
                • Profinet
                • Modbus TCP
                • Ethernet IP

                Measurement technology
                • Paramagnetic measuring cell
              • Smart O2 Zirconium oxide

              • For precise and continuous oxygen measurement in industrial processes
                • pharmaceutical industry & laboratories (e. g. glove boxes)
                • breweries & beverage industry
                • packaging & vacuum systems
                • filling plants
                • combustion & heating boiler plants
                • greenhouses & biogas plants
                • gas generators
                • welding and soldering industry
                • microelectronics & semiconductor manufacturing
                • furnaces
                • air separation plants
                • gas mixing plants
                • … and other fields

                Technical data

                • Housing:
                  W 310 mm x H 133 mm x D 221 mm,
                  3 kg
                • Sample gas inlets:
                  1-inlet standard version, expandable to a max. of 4 inlets
                • Measuring ranges:
                  0–5 % vol
                  0–25 % vol
                  5–95 % vol
                • Zirconium oxide sensor
                • Built-in sample gas pump

                Measurement technology

                • Zirconium oxide sensor
              • GA315 Hot Gas

              • Easy online measurement in e. g. combustion processes
                • For measuring the exhaust gas of gas motors in biogas or landfill gas plants
                • In gas flows with temperatures of up to 300 °C
                • Industrial sector
                • Waste disposal companies
                • Energy production
                • Monitoring
                • Motor manufacturers
                • … and other fields

                Technical data

                • Housing:
                  19 inch rack, 400 mm deep
                • Sample gas inlets:
                  1 heated and controlled gas inlet at the front
                • No further sample gas processing required
                • Built-in sample gas pump
                Optional data interfaces:
                • Analogue, 4–20 mA
                • Profibus
                • Profinet
                • Modbus TCP
                • Ethernet IP

                Measurement technology
                • NDIR
                • Single-beam principle, cuvette heated to 85 °C
                • Automatic zero adjustment
                • Cross-sensitivity compensation
              • Toxical Inline Analyzer TINA

              • Quick and efficient threshold value monitoring of toxic and explosive gas mixtures
                • LEL monitoring (Lower Explosion Level)
                • Solvent monitoring
                • Surface treatment
                • Industrial applications
                • … and other fields

                Technical data

                • Housing:
                  Electronic housing, die-cast aluminium according to IP 67,
                  Weight: approx. 1.5 kg
                • Outputs:
                  1 x 4–20 mA analogue output
                • Number of gas components:
                  1 IR-active substanc
                • Measuring ranges:
                  On request

                Measurement technology
                • Diffusion (required gas flow: 1 l/min)
                • NDIR
                • Automatic zero adjustment
              • Thermal conductivity detector FTC300

              • Detector for measuring quantitative gas compositions
                • H2 measurement in biogas as well as in furnaces of the metal industry / block-type thermal power stations / turbogenerators
                • H2 or N2 measurement in elemental analysis
                • Helium recovery monitoring
                • Helium measurement with moisture compensation in airships
                • Monitoring in air separation plants
                • Control, monitoring and quality control of gas mixtures and pure gases
                • … and other fields

                Technical data

                • Wall-mounted housing:
                  W 145 x H 80 x D 85 mm
                • Interface: RS232
                • Power supply: 18 V-36 V DC /700 mA
                • Display: LCD display
                • Operation via 3 buttons
                • Linearity: < 1 % of the measuring range
                • Warm-up time: approx. 20 minutes (for measurements in the smaller measuring range approx. 1 h)
                • Flow rate: 10 l/h – 150 l/h
                • T90 time: <1 sec at flow rates beyond 60 l/h and disabled electronic averaging
                • Sample gas pressure: 200 hPa (0.2 bar) to 200 kPa (20 bar)
                • Sample gas temperature: <60 °C
                • Signal noise: <10 ppm H2 in N2

                Measurement technology

                • Works according to the thermal conductivity principle
                • Classic two-point calibration or simple one-point calibration
                • Compensation of the cross-sensitivity and susceptibility to interference upon input of an external signal
                • Multi gas mode for the sequential measurement of 16 binary gas mixtures
                • Electrically isolated 0/4-20 mA output with free determination of the associated gas concentrations
                • Precise linearization for binary gas mixtures H2, He, CO2, CH4 in N2 or Ar and N2 in Ar or Ar and N2 in Ar in a read-only memory
              • Smart Control 300

              • For monitoring the threshold value concentrations of gas mixtures containing solvents
                • Solvent monitoring
                • Surface treatment
                • Industrial applications
                • … and other fields

                Technical data

                • Housing:
                  W 310 x H 133 x D 221 mm
                • Sample gas inlets:
                  1-inlet standard version, expandable to a max. of 2 inlets
                • Number of gas components:
                • NDIR 1 (Perchlorethylene, trichloroethylene, dichloromethane or hydrocarbon solvent)
                • Measuring ranges:
                  On request
                • Built-in sample gas pump

                Measurement technology

                • NDIR
                • Single-beam principle, cuvette heated up to 80 °C
                • EC
                • Electrochemical reaction procedure
                • Automatic zero adjustment
              • Mercury Analyzer

              • Supersensitive mercury analyser for the continuous measurement of mercury in gas and water

                Hg emission/immission monitoring, HG monitoring

                • Water, water bodies and ground
                • Natural gas
                • Workplaces (MWC)
                • Chemical separation procedures
                • Physical adsorption procedures
                • Recycling procedures
                • Chemical electrolysis
                • Medical / dental devices including gas bags
                • … and other fields

                Technical data

                • Housing:
                  19 inch rack, / 3 units, 450 mm deep
                • Sample gas inlets:
                  1-inlet standard version
                  Almost unlimited number of externally controllable sample gas inlets
                • Measuring ranges:
                  Selectable measuring ranges
                  Gas: 0–1/10/100/1000 µg/Nm3
                  Water: 0–10 µg Hg/l, 0–30 mg Hg/l
                • Sample connection: 1/4 inch-6/4 mm PFA hose
                • Gas flow: 100–200 Nl/h
                • Alarm signal: adjustable 4x potential-free changeover contact

                Measurement technology

                • Single-beam photometer
                • No adjustment required
                • Highly Sensitive
                • No calibration, no zero
                • Fully digitally controlled
                • interference filter
                • Integrated flow meter with needle valve
              • Gas Analyzer for Formaldehyde in Ambient Air

              • Reliable formaldehyde measurement in the ppb range
                • Electric fence monitoring
                • Biogas plants
                • Construction of new buildings
                • Production of wooden products
                • Traffic emissions
                • Ambient air quality
                • Occupational safety
                • … and other fields

                Technical data

                • Detection limit: < 1ppb
                • Dimensions: W 484 x H 139 x D 440 mm
                • Weight: 13 kg
                • Response time: 10 sec – a few minutes
                • Accuracy: beyond 5 %
                • Temperature and pressure stability
                • Interfaces: Ethernet, USB

                Measurement technology

                • Combination of photoacoustic infrared spectroscopy and QC laser
            • Multi Gas Analyzers

                • Gas Analyzer GA220

                • Stable and efficient online measurement in all kinds of processes
                  • Chemical technology
                  • Recycling
                  • Environmental technology
                  • Monitoring
                  • Control
                  • Pharmaceuticals industry
                  • … and other fields

                  Technical data

                  • Housing:
                    19 inch rack, 400 mm deep, IP 20
                  • Sample gas inlets:
                    1-inlet standard version, expandable to a max. of 8 inputs
                    Almost unlimited number of externally controllable sample gas inlets
                  • Number of gas components:
                    IR 1-3
                    EC 1-3
                  • Built-in sample gas pump
                  Optional Data Interfaces:
                  • Analogue, 4–20 mA
                  • Profibus
                  • Profinet
                  • Modbus TCP
                  • Ethernet IP

                  Measurement technology

                  • NDIR
                    Single-beam principle; cuvette heated up to 80 °C
                  • EC
                    Electrochemical reaction procedur
                  • Automatic zero correction
                  • Cross-sensitivity compensation
                • Gas Analyzer GA320

                • Precise and efficient online measurement in all kinds of processes
                  • Chemical technology
                  • Recycling
                  • Environmental technology
                  • Monitoring
                  • Control
                  • Pharmaceuticals industry
                  • … and other fields

                  Technical data

                  • Housing:
                    19 inch rack, 400 mm deep
                  • Sample gas inlets:
                    1-inlet standard version, expandable to a max. of 6 inputs
                    Almost unlimited number of externally controllable sample gas inlets
                  • Number of gas components:
                    NDIR 1–6
                  • Built-in sample gas pump
                  • Built-in PC
                  • Low and high-precision detection limits
                  Optional Data Interfaces:
                  • Analogue, 4–20 mA
                  • Profibus
                  • Profinet
                  • Modbus TCP
                  • Ethernet IP

                  Measurement technology
                  • NDIR
                    Single-beam principle, cuvette heated up to 85 °C
                  • Automatic zero adjustment
                  • Cross-sensitivity compensation
                • BioBasic

                • Efficient online measurement of biogases
                  • Biogas plants
                  • Wastewater treatment plants
                  • Landfill plants
                  • … and other fields

                  Technical data

                  • Wall-mounted housing:
                    IP 54, W 400 x H 400 x D 220 mm
                  • Sample gas inlets:
                    1-inlet standard version, expandable to a max. of 5 inputs
                  • Number of gas components:
                    CH4 and CO2 via NDIR
                    H2S, O2, H2 via EC
                  • Measuring ranges:
                    CH4 = 0–100 % vol
                    H2S = 0–2000 ppm (up to 10.000 ppm overload)
                    CO2 = 0–65/100 % vol
                    O2 = 0–25 % vol
                    H2 = 0–2000 ppm
                  • Built-in sample gas pump
                  • Included accessories: flame arrestor (ATEX-certified), condensate separator incl. level monitoring and automatic shut-off, automatic condensate discharge with peristaltic pump

                  Measurement technology

                  • NDIR
                    Single-beam principle, cuvette heated to 60 °C
                  • EC
                    Electrochemical reaction procedure
                  • Automatic zero adjustment
                • Smart BioBasic

                • Efficient online measurement of biogases
                  • Biogas plants
                  • Wastewater treatment plants
                  • Landfill plants
                  • … and other fields

                  Technical data

                  • Wall-mounted housing:
                    IP 54, W 315 x H 300 x D 125 mm
                  • Sample gas inlets:
                    1-inlet standard version, expandable to a max. of 2 inputs
                  • Number of gas components:
                    CH4 and CO2 via NDIR
                    H2S and O2 via EC
                  • Measuring ranges:
                    CH4 = 0–100 % vol
                    CO2 = 0–65 % vol
                    H2S = 0–2000 ppm
                    O2 = 0–25 % vol
                  • Built-in sample gas pump

                  Measurement technology

                  • NDIR
                    Single-beam principle, cuvette heated to 60 °C
                  • EC
                    Electrochemical reaction procedure
                  • Automatic zero adjustment
                  • Cross-sensitivity compensation
              • Sampling

                    • Multi Gas Pump MGP 50

                    • Efficient, reliable and mobile gas sampling system for field use
                      • Rehabilitation
                      • Investigation of contaminated sites
                      • Environmental analytics
                      • Laboratories
                      • … and other fields

                      Technical data

                      • Portable system
                        Housing:
                        ABS plastic, W 660 x H 460 x D 200 mm,
                        14.6 kg
                      • Gas sampling system
                      • Four-channel system with digital flow and volume control
                      • Flow control:
                        0.1 l/min–1.5 l/min
                        or 1 l/min–4 l/min
                      • Volume control:
                        0.1 l–3000.0 l

                      Measurement technology

                      • Micro-processor controlled flow and volume control
                      • Variably adjustable reference values plus pre-suction and sampling times
                • Mobile Gas Analyzers

                    • Portable Gas Analyzer GAP100

                    • Transportable gas measuring system for flexible field use
                      • Biogas plants
                      • Wastewater treatment plants
                      • Landfill plants
                      • Composting plants
                      • … and other fields

                      Technical data

                      • Housing:
                        ASA + PC – FR plastic, IP 54
                      • Measuring components:
                        e.g. CH4 and CO2 (IR)/H2S and O2 (EC)
                      • Measuring ranges:
                        CH4 = 0–100 % vol
                        H2S = 0–2000 ppm
                        CO2 = 0–65 % vol
                        O2 = 0–25 % vol
                      • Built-in sample gas pump

                      Measurement technology

                      • NDIR
                        Single-beam principle, cuvette heated to 60 °C
                      • EC
                        Electrochemical reaction procedure
                    • Mobile Smart O2 Zirconium oxide

                    • Reliable and efficient online oxygen measurement
                      • Chemical industry
                      • Air quality monitoring
                      • Food industry
                      • Biogas plants
                      • Pharmaceuticals industry
                      • Recycling
                      • Environment
                      • … and other fields

                      Technical data
                      • Housing:
                        W 350 x H 300 x D 125,
                        Weight: 2 kg
                      • Sample gas inlets:
                        1-inlet standard version
                      • Measuring ranges:
                        0–5 % vol
                        0–25 % vol
                        5–95 % vol
                      • Built-in sample gas pump

                      Measurement technology
                      • Zirconium oxide sensor
                  • Sampling

                        • Gas Pump GP 50

                        • Efficient, reliable and mobile gas sampling system for field use
                          • Rehabilitation
                          • Inspection of contaminated sites
                          • Environmental analytics
                          • Laboratories
                          • … and other fields

                          Technical data
                          • Housing:
                            ASA + PC-FR plastic, IP 54
                            W 348 x H 303 x D 125 mm,
                            Weight: 3.5 kg
                          • Single-channel system with digital flow and volume control
                          • Battery runtime: ~ 12 h
                          • Supply voltage: 10.8 V DC/8.7 Ah lithium-ion battery
                          • Charging voltage: 18 V DC/1 A
                          • 100 V–240 V ~ 50 Hz–60 Hz charger
                          • Interface: RS323
                          • Hose connections:
                            Inlet: quick coupling
                            Outlet: bulkhead fitting
                          • Time control: 1 min–999 min
                          • Flow control:
                            0.1 l/min–4 l/min
                            or 1 l/min–4 l/min
                          • Volume control:
                            0.1 l–3000.0 l
                          • Climatic conditions: ambient temperature: 5–45 °C
                          • Relative humidity: ~ 90 %, dew-free
                          • Ready for use immediately after being switched on
                          • Optionally available: condensate trap

                          Measurement technology

                          • Micro-processor controlled flow and volume control
                          • Variably adjustable reference values plus pre-suction and sampling times
                          • No mains power required
                    • Accessories

                    • Be it sample gas pumps, plug connections, pneumatic tubing, different filters or small electronic parts: Fresenius Umwelttechnik offers a wide range of accessories in order to ensure the availability of application solutions. Our accessories will be delivered in no time. They are perfectly matched with the sensors and allow for their cost-effective integration into plants.

                      On our Accessories page you will find a small selection of our accessory components. Further information will be readily provided on request.
                        • Datalog 50

                        • Quick storage of RS232 data

                          For different devices
                          2 x RS232: 1x female connector, 1 x pin
                          Exchangeable memory cards: SD and SDHC (up to 32 GB)
                        • GMM software

                        • GMM, our in-house gas analysis management software, has been developed specifically for Fresenius Umwelttechnik measurement systems.

                          The programme offers a great variety of features via a serial communication interface. These include, for example, real-time recording of measurement data or automatic data downloads from the measurement systems’ internal memories.

                          The recorded measurement values can be saved as a file or in an integrated SQL database. What is more, you may create both tabular and graphic data evaluations. These will help you monitor and optimise your processes.

                          An integrated encoding method ensures the data’s protection against forgery so that they are also suitable for submittal to authorities.

                          Besides, qualified personnel trained and authorised by us will be given access to further features such as the analyser’s calibration and configuration or commands.

                          We will be happy to advise you and provide you with further information on our GMM software.
                        • mobile table-top case

                        • Dimensions: 3 units x 19 inch x 450 mm

                          Case: IP54
                        • wall-mounted case

                        • Available case dimensions:
                          9 units: W 600 x H 478 x D 673 mm
                          21 units: W 600 x H 1012 x D 673 mm

                          Case: IP54

                          Delivery without pictures accessories.
                        • switch cabinets

                        • Dimensions:
                          Up to a height of 2.20 m
                          W 600 x H 2200 x D 800 mm

                          Glass door, swivel frame, fan etc. included

                          consisting of:
                          • Terminal blocks
                          • Cable ducts
                          • Main switch
                          • Circuit diagram pocket
                          • Door position switch etc.
                          • Incl. further assembly accessories
                          pre-assembled and ready for installation

                          Case: IP54

                          Delivery without pictures accessories.
                        • optional accessories

                          • Filters
                          • Heated sample gas lines
                          • Sampling probe
                          • Gas cooler
                          • Pre-suction pumps
                          • Heaters
                          • Air conditioners
                          • Solenoid valves
                          • Condensate separator with automatic discharge
                          • Industrial PC / PLC
                          • Compressed-air backwashing
                          • Flame arrestors (ATEX-certified)