Dubai
Dubai
Abu dhabi
+971 4 3247500 Sun - Thu 08:00 - 5:30 No: FZJOA1517, JAFZA ONE PO BOX 18410, DXB
+971 2 6765979 Sun - Thu 08:00 - 5:30 P.O. Box : 33719, Abu Dhabi, UAE
Dubai
Dubai
Abu dhabi
+971 4 3247500 Sun - Thu 08:00 - 5:30 No: FZJOA1517, JAFZA ONE PO BOX 18410, DXB
+971 2 6765979 Sun - Thu 08:00 - 5:30 P.O. Box : 33719, Abu Dhabi, UAE
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GM35- CO, CO2, H2O, N2O

For efficient control of combustion and drying processes

Simultaneous or as individual measurement: the GM35 gas analyzer measures CO2, H2O and CO, or N2O, as well temperature and pressure – and it does this reliably, quickly, and economically. As an in-situ gas analyzer, the GM35 detects these gas components directly in the gas stream without gas sampling. Reliability, precision, and short response time of the GM35 offer a key advantage for efficient control loops in all CO and CO2-generating processes.

Description
Overview
Technical Specifications
Applications
Video

At a glance
  • Dynamic humidity correction
  • Fast in-situ measurement directly in the process
  • Simultaneous determination of up to three gas components, temperature, and pressure
  • No gas sampling and conditioning
  • Gas testable version of measuring probe available
  • Integrated self-test and control functions
Your Benefits
  • Dynamic humidity measurement directly in the process
  • Provision of real humidity reference values
  • Unbiased measuring values due to in-situ measurement
  • Fast or short-term fluctuations in the process are being detected
  • Representative measurement by selection of an appropriate probe or cross-duct type

  • GM35 system
    Measured valuesCO, CO2, H2O, N2O
    Performance-tested measurandsCO, CO2, H2O
    Measurement principlesGas filter correlation, Interference filter correlation
    Measuring ranges
    CO0 … 180 ppm / 0 … 20,000 ppm
    CO20 … 22.5 Vol.-% / 0 … 100 Vol.-%
    H2O0 … 25 Vol.-% / 0 … 100 Vol.-%
    N2O0 … 60 ppm / 0 … 2,500 ppm
    Measuring ranges refer to 1 m measuring path

    Measuring ranges depend on application and device version

    Certified measuring ranges
    CO0 … 75 mg/m³ / 0 … 2,000 mg/m³
    CO20 … 15 Vol.-%
    H2O0 … 25 Vol.-%
    Cross-duct and GMP version are type approved
    Zero point drift
    ± 2 %: relative to measuring range end value
    Reference point drift
    ± 2 %: within the maintenance interval, relative to measuring range full scale
    Ambient temperature
    –40 °C … +55 °C
    Temperature change maximum ±10 °C/h
    Storage temperature
    –40 °C … +55 °C
    Ambient humidity
    ≤ 96 %
    Relative humidity, bedewing of optical surfaces not permitted
    ConformitiesApproved for plants requiring approval

    2001/80/EC (13. BImSchV)

    2000/76/EC (17. BImSchV)

    27.BImSchV

    TA-Luft (Prevention of Air Pollution)

    EN 15267

    EN 14181

    MCERTS

    Electrical safetyCE
    Enclosure rating
    IP65 / NEMA 4x
    OperationMenu-driven operation via separate control unit
    ModelCross-duct version

    Measuring probe version

    Test functionsAutomatic check cycle for zero and span point
  • Sender/receiver unit
    DescriptionAnalyzer unit of the measuring system
    Enclosure rating
    IP65 / NEMA 4x
    Dimensions (W x H x D)
    291 mm x 527 mm x 529 mm
    Weight
    29 kg
    Power supply
    Voltage115 V AC / 230 V AC
    Frequency48 … 62 Hz
    Power consumption≤ 350 W
  • Open measuring probe (GMP)
    DescriptionMeasuring probe in open design with integrated purge air control system
    Process temperature
    ≤ +430 °C
    With N2O measurement max. 180 °C
    Process pressure
    ≤ 120 hPa
    Depending on purge air supply
    Process gas velocity
    ≤ 40 m/s
    Dust load
    ≤ 3 g/m³
    Dimensions (W x H x D)
    See dimensional drawings
    Weight
    25 kg
    Material in contact with mediaStainless steel 1.4571, stainless steel 1.4539
    Auxiliary gas connections
    Integrated componentsPressure sensor

    PT1000 temperature sensor

  • Gas-testable measuring probe (GPP)
    DescriptionMeasuring probe with gas permeable filter element for adjustment with test gas
    Process temperature
    ≤ +430 °C
    With N2O measurement max. 180 °C
    Process pressure
    ≤ 250 hPa
    Depending on purge air supply
    Process gas velocity
    ≤ 40 m/s
    Dust load
    ≤ 30 g/m³
    Dimensions (W x H x D)
    See dimensional drawings
    Weight
    45 kg
    Material in contact with mediaStainless steel 1.4571, stainless steel 1.4539, ceramics, PTFE
    Power supply
    Voltage115 V AC / 230 V AC
    Frequency50 Hz / 60 Hz
    Power consumption≤ 150 W
    Auxiliary gas connections
    Integrated componentsPressure sensor

    PT1000 temperature sensor

  • Reflector unit
    DescriptionReflector unit with hollow triple reflector
    Process temperature
    ≤ +500 °C
    With N2O measurement max. 180 °C
    Process pressure
    Depending on purge air supply
    Dimensions (W x H x D)
    291 mm x 280 mm x 161 mm
    Weight
    1.5 kg
  • GM35 evaluation unit, steel sheet enclosure
    DescriptionThe evaluation unit serves as the user interface and is responsible for data processing and output as well as control and monitoring functions.
    Enclosure rating
    IP65 / NEMA 4x
    Analog outputs3 outputs:
    0/4 … 20 mA, 500 Ω
    Electrically isolated
    Analog inputs1 input:
    0 … 20 mA, 100 Ω
    Digital outputs3 relay contacts:
    + 48 V AC, 1 A, 60 W / 48 V DC, 1 A, 30 W
    Preset for failure, maintenance and functional control
    Digital inputs3 inputs:
    + 24 V
    Serial
    Type of fieldbus integrationRS-232
    FunctionProprietary service interface, connection to SOPAS ET software
    CAN bus
    FunctionInternal system bus
    Indication
    LC display
    Status LEDs: “Power”, “Maintenance” and “Failure”
    InputArrow keys

    Functional keys

    OperationMenu-driven operation via LC-display and membrane keyboard
    ModelSteel sheet enclosure
    Dimensions (W x H x D)
    200 mm x 346 mm x 97.5 mm
    Weight
    3 kg
    Power supply
    Voltage115 V / 230 V
    Frequency50 Hz / 60 Hz
    Power consumption≤ 50 W
  • GM35 AWE evaluation unit, cast metal enclosure
    DescriptionThe evaluation unit serves as the user interface and is responsible for data processing and output as well as control and monitoring functions.
    Enclosure rating
    IP67
    Analog outputs3 outputs:
    0/4 … 20 mA, 500 Ω
    Electrically isolated
    Analog inputs1 input:
    0 … 20 mA, 100 Ω
    Digital outputs3 relay contacts:
    + 48 V AC, 1 A, 60 W / 48 V DC, 1 A, 30 W
    Preset for failure, maintenance and functional control
    Digital inputs3 inputs:
    + 24 V
    Serial
    Type of fieldbus integrationRS-232
    FunctionProprietary service interface, connection to SOPAS ET software
    CAN bus
    FunctionInternal system bus
    Indication
    LC display
    Status LEDs: “Power”, “Maintenance” and “Failure”
    InputArrow keys

    Functional keys

    OperationMenu-driven operation via LC-display and membrane keyboard
    ModelCast metal enclosure
    Dimensions (W x H x D)
    289 mm x 370 mm x 138 mm
    Weight
    3 kg
    Power supply
    Voltage115 V / 230 V
    Frequency50 Hz / 60 Hz
    Power consumption≤ 50 W
  • Connection unit
    DescriptionTo lengthen the internal CAN-Bus connection with cable provided by the customer
    Dimensions (W x H x D)
    125 mm x 103 mm x 57 mm
    Weight
    3 kg
  • Purge air fixture, sender/receiver unit
    DescriptionFixture to flanges with connections for purge air and external cabelling
    Dimensions (W x H x D)
    320.9 mm x 360 mm x 220 mm
    Weight
    7 kg
    Auxiliary gas connections
    Integrated componentsPT1000 temperature sensor

    Pressure sensor

  • Purge air fixture, reflector unit
    DescriptionFixture to flanges with connections for purge air and external cabelling
    Dimensions (W x H x D)
    320.9 mm x 360 mm x 220 mm
    Weight
    7 kg
    Auxiliary gas connections
  • SLV4-2 purge air unit, 2BH1300, 3-ph
    DescriptionUnit to provide dust-free air for flushing of optical surfaces
    Gas flow rate
    38 m³/h … 63 m³/h
    At 30 hPa counter pressure, depending on low pressure inside the filter
    Ambient temperature
    –40 °C … +55 °C
    Enclosure rating
    IP54
    Dimensions (W x H x D)
    550 mm x 550 mm x 258 mm
    For details see dimensional drawings
    Weight
    18 kg
    Power supply
    Three-phase currentΔ: 200 … 240 V, 50 Hz, 2,6 A, 400 W

    Y: 345 … 415 V, 50 Hz, 1,5 A, 400 W

    Δ: 200 … 275 V, 60 Hz, 2,6 A, 500 W

    Y: 380 … 480 V, 60 Hz, 1,5 A, 500 W

    Δ: 270 … 330 V, 50 Hz, 2,0 A, 400 W

    Y: 465 … 570 V, 50 Hz, 1,16 A, 400 W

    Δ: 290 … 360 V, 60 Hz, 2,1 A, 500 W

    Y: 500 … 600 V, 60 Hz, 1,26 A, 500 W

    Δ: 230 V, 50 Hz, 2,7 A, 370 W

    Δ: 115 V, 60 Hz, 3,0 A, 450 W

    Δ: 220 … 270 V, 50 Hz, 2,5 A, 400 W

    Y: 380 … 465 V, 50 Hz, 1,45 A, 400 W

    Δ: 240 … 290 V, 60 Hz, 2,6 A, 500 W

    Y: 415 … 500 V, 60 Hz, 1,55 A, 500 W

    Auxiliary gas connections
    Purge air40 mm
    Test functionsPressure switch (switching point –35 hPa)
    Integrated components2-step air filter, type Europiclon, dust capacity 200 g

Fields of applications

  • Emission monitoring according to EN 14181, e. g., in power or cement plants
  • Control of the water injection upstream of the electrostatic precipitator
  • Monitoring of the combustion efficiency in hazardous waste incineration
  • Process monitoring in urea production
  • Tube rupture detection in heat exchangers