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UAE Qatar India
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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GM32 in-situ gas analyzer

GM32 – NO, NO2, NH3, SO2

Measure aggressive gases directly and quickly — even in ATEX zones

The GM32 in-situ gas analyzer measures SO2, NO, NO2 and NH3, as well as TRS components in Kraft pulp processes including pressure and temperature in the gas duct. Direct, fast and without gas sampling and transport. This means control systems are able to work with actual values in real time. Thanks to self-monitoring the measured value are reliable at any time. In case of a malfunction an early warning will be shown.

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Description

For emission measurement of SO2 and NO, GM32 is tested for suitability according to European standard EN 15267. An ATEX version with comprehensive safety functions and sophisticated system technology is also available, as well as the GM32 TRS-PE (PE = Pulp Emission) for TRS measurement in Kraft pulp processes.

Overview
Technical Specifications
Applications
Videos

At a glance
  • Direct, fast in-situ measurement
  • No gas sampling, no gas transport, no gas conditioning
  • Up to eight measuring components at the same time, plus process temperature and pressure
  • DOAS and CDE evaluation process
  • Numerous independent measuring ranges with consistent accuracy
  • Automatic self-test function (QAL3) without test gases
  • Overpressure encapsulated design for ATEX Zones 1 and 2
Your Benefits
  • Measured values in real time without altering the gas composition
  • Short-term process deviations are detected
  • Representative measurement byselection of cross-duct or measuring probe versions
  • Fast on-site service due to modular design
  • Long maintenance-free intervals
  • Cost-effective in-situ gas analyzer — also in ATEX design
  • Low cost of installation and operation, no test gases required
  • Complete emissions measurement in Kraft pulp process by way of simultaneous measurement of TRS components plus SO2, NO, NH3

  • GM32 system, standard and Ex-version
    Description Type approved in-situ gas analyzer for emission monitoring and process control
    Measured values NO, NO2, NH3, SO2
    Performance-tested measurands NO, SO2
    Measurement principles Differential optical absorption spectroscopy (DOAS)
    Measuring ranges
    NH3 0 … 30 ppm / 0 … 2,600 ppm
    NO 0 … 40 ppm / 0 … 1,900 ppm
    NO2 0 … 50 ppm / 0 … 1,000 ppm
    SO2 0 … 15 ppm / 0 … 7,000 ppm
    LowNO2 0 … 15 ppm / 0 … 1,000 ppm
    Measuring ranges refer to 1 m measuring path

    Measuring ranges depend on application and device version
    Certified measuring ranges
    NO 0 … 70 mg/m³ / 0 … 700 mg/m³
    SO2 0 … 75 mg/m³ / 0 … 1,000 mg/m³
    With an active measuring path length of 1.86 m (cross- duct) or 1.25 m (open path measuring probe)

    The gas-testable measuring probe (GPP) is not TUV approved
    Response time (t90)
    Open measuring probe (GMP) ≥ 5 s
    Gas-testable measuring probe (GPP) ≥ 120 s
    Cross-duct version ≥ 5 s
    Response time adjustable
    Accuracy
    NH3 ± 2 %
    NO ± 2 %
    NO2 ± 2 %
    SO2 ± 2 %
    Relative to the smallest measuring range
    Ambient temperature
    –20 °C … +55 °C
    Temperature change maximum ±10 °C/h
    Storage temperature
    –20 °C … +55 °C
    Temperature change maximum ±10 °C/h
    Ambient humidity
    ≤ 96 %
    Relative humidity, bedewing of optical surfaces not permitted
    Conformities Approved 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

    GOST
    Ex-approvals
    IECEx Ex pzc op is [ia] IIC T3 Gc
    ATEX II 3G Ex pzc op is [ia] IIC T3 Gc
    Electrical safety CE
    Enclosure rating
    Standard IP65, IP69K
    Ex-version IP65
    Operation Via integrated operating unit or SOPAS ET software
    Test functions Internal zero point check

    Check cycle for zero and span point according to QAL3
    Options SCU control unit (for non-hazardous areas only)

    Multi range calibration (additional measuring ranges for one component)

    Extended gas temperature range up to 550 °C or 650 °C

    LowNO2
  • GM32 TRS–PE system
    Description In-situ gas analyzer for TRS monitoring in the Kraft pulping process
    Measured values NO, NH3, SO2, CH3SH, (CH3)2S, (CH3)2S2, H2S, TRS
    Measurement principles Chemometrical data evaluation (CDE)
    Measuring ranges
    NH3 0 … 35 ppm / 0 … 50 ppm
    NO 0 … 40 ppm / 0 … 150 ppm
    SO2 0 … 15 ppm / 0 … 35 ppm
    H2S 0 … 35 ppm
    CH3SH 0 … 25 ppm
    (CH3)2S 0 … 20 ppm
    (CH3)2S2 0 … 15 ppm
    TRS 0 … 70 ppm
    Measuring ranges refer to 1 m measuring path

    Measuring ranges depend on application and device version

    TRS = H2S + CH3SH (as H2S equivalent)

    For device variant 7: TRS = H2S + CH3SH + (CH3)2S + 2x (CH3)2S2

    Other measuring ranges on request
    Response time (t90)
    Gas-testable measuring probe (GPP) ≥ 120 s
    Response time adjustable
    Accuracy
    NH3 ± 2 %
    NO ± 2 %
    SO2 ± 0.3 ppm … ± 2 %
    H2S ± 2 %
    CH3SH ± 2 %
    (CH3)2S ± 2 %
    (CH3)2S2 ± 2 %
    TRS ± 2 %
    Relative to the smallest measuring range
    Ambient temperature
    –20 °C … +55 °C
    Temperature change maximum ±10 °C/h
    For device variant 7 +20 °C … +30 °C
    Storage temperature
    –20 °C … +55 °C
    Temperature change maximum ±10 °C/h
    Ambient humidity
    ≤ 96 %
    Relative humidity, bedewing of optical surfaces not permitted
    Electrical safety CE
    Enclosure rating
    IP65, IP69K
    Operation Via integrated operating unit or SOPAS ET software
    Test functions Internal zero and reference point check
    Options SCU control unit
  • Sender/receiver unit, standard version
    Description Analyzer unit of the measuring system
    Operation Via integrated operating unit
    Dimensions (W x H x D)
    315 mm x 580 mm x 359 mm
    Weight
    20 kg
  • Sender/receiver unit, Ex-version
    Description Analyzer unit of the measuring system
    Operation Via integrated operating unit
    Dimensions (W x H x D)
    315 mm x 910 mm x 410 mm
    Weight
    20 kg
  • Open measuring probe (GMP)
    Description Measuring probe in open design with integrated purge air control system
    Process temperature
    ≤ +550 °C
    Process pressure
    –60 hPa … 60 hPa
    Relative
    Dimensions (W x H x D)
    See dimensional drawings
    Weight
    25 kg
    Material in contact with media Stainless steel 1.4571, stainless steel 1.4539
    Auxiliary gas connections
    Integrated components Pressure sensor (Not for Ex-version)

    PT1000 temperature sensor (not for Ex-version)

    Flow monitor (monitoring of purge air feed, not for Ex version)
  • Gas-testable measuring probe (GPP)
    Description Measuring probe with gas permeable filter element for adjustment with test gas
    Process temperature
    With ceramic filter ≤ +430 °C
    With Teflon filter ≤ +200 °C
    Process pressure
    –60 hPa … 200 hPa
    Relative
    Dimensions (W x H x D)
    See dimensional drawings
    Weight
    45 kg
    Material in contact with media Stainless steel 1.4571, stainless steel 1.4539, ceramics, PTFE
    Power supply
    Voltage 115 V / 230 V
    Frequency 50 Hz / 60 Hz
    Power consumption ≤ 150 W
    Auxiliary gas connections
    Integrated components Pressure sensor

    PT1000 temperature sensor
  • Reflector unit
    Description Reflector unit with glass triple reflector
    Process temperature
    ≤ +650 °C
    Process pressure
    –60 hPa … 200 hPa
    Dimensions (W x H x D)
    291 mm x 280 mm x 161 mm
    Weight
    9 kg
  • Connection unit, standard version
    Description Serves for connection of power supply, data and signal cabling provided by the customer
    Analog outputs 2 outputs:
    0/4 … 22 mA, 500 Ω
    Per module, extendable up to eight outputs
    Analog inputs 2 inputs:
    0/4 … 22 mA, 100 Ω
    Digital outputs 4 outputs:
    + 48 V AC/DC, 0.5 A, 25 W
    Digital inputs 4 inputs:
    + 3.9 V, 4.5 mA, 0.55 W
    Per module, extendable up to eight inputs
    Modbus ✔
    Type of fieldbus integration TCP

    RTU RS-485 (via optional interface module)
    CAN bus ✔
    Function Internal system bus
    Ethernet ✔
    Function Connection to SOPAS ET software or OPC server
    Dimensions (W x H x D)
    450 mm x 424 mm x 158 mm
    Weight
    16 kg
    Power supply
    Voltage 100 … 250 V
    Frequency 50 Hz / 60 Hz
    Power consumption ≤ 260 W
  • Connection unit, Ex-version
    Description Serves for connection of power supply, data and signal cabling provided by the customer
    Analog outputs 2 outputs:
    0/4 … 22 mA, 500 Ω
    Per module, extendable up to eight outputs
    Analog inputs 2 inputs:
    0/4 … 22 mA, 100 Ω
    Digital outputs 4 outputs:
    + 48 V AC/DC, 0.5 A, 25 W
    Digital inputs 4 inputs:
    + 3.9 V, 4.5 mA, 0.55 W
    Per module, extendable up to eight inputs
    Modbus ✔
    Type of fieldbus integration TCP

    RTU RS-485 (via optional interface module)
    CAN bus ✔
    Function Internal system bus
    Ethernet ✔
    Function Connection to SOPAS ET software or OPC server
    Dimensions (W x H x D)
    679 mm x 630 mm x 158 mm
    Weight
    16 kg
    Power supply
    Voltage 100 … 230 V
    Frequency 50 Hz / 60 Hz
    Power consumption ≤ 260 W
  • Purge air fixture, sender/receiver unit
    Description Fixture to flanges with connections for purge air and external cabling (only cross duct design)
    Dimensions (W x H x D)
    320.9 mm x 360 mm x 220 mm
    For details see dimensional drawings
    Weight
    7 kg
    Auxiliary gas connections
    Integrated components PT1000 temperature sensor (not for Ex-version)

    Flow monitor (monitoring of purge air feed, not for Ex version)
  • Purge air fixture, reflector unit
    Description Fixture to flanges with connections for purge air and external cabling (only cross duct design)
    Dimensions (W x H x D)
    320.9 mm x 360 mm x 220 mm
    For details see dimensional drawings
    Weight
    7 kg
    Auxiliary gas connections
    Integrated components Flow monitor (monitoring of purge air feed, not for Ex version)
  • SLV4-2 purge air unit, 2BH1300, 3-ph
    Description Unit 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 current Δ: 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 air 40 mm
    Test functions Pressure switch (switching point –35 hPa)
    Integrated components 2-step air filter, type Europiclon, dust capacity 200 g
  • SLV6-1 purge air unit, 2SH1300, ATEX 3G
    Description Unit to provide dust-free air for flushing of optical surfaces, for potentially explosive atmospheres
    Gas flow rate
    38 m³/h … 63 m³/h
    At 30 hPa counter pressure, depending on low pressure inside the filter
    Ambient temperature
    –20 °C … +40 °C
    Ex-approvals
    ATEX Ex II 3G c T3
    Enclosure rating
    IP54
    Dimensions (W x H x D)
    550 mm x 681 mm x 287 mm
    For details see dimensional drawings
    Weight
    28 kg
    Power supply
    Three-phase current 3-phase: 230 V/400 V, 50 Hz

    3-phase: 460 V, 60 Hz
    Auxiliary gas connections
    Purge air 40 mm
    Test functions Pressure switch (switching point –35 hPa)
    Integrated components 2-step air filter, type Europiclon, dust capacity 200 g

Fields of applications

  • For monitoring and control in flue gas purification,such as denitrification plants, desulfurization plants and converters
  • Emissions monitoring according to EU directives or local regulations
  • Monitoring of landfill gases
  • Monitoring tasks, for example, in nitric acid and ammonia production processes
  • TRS emissions monitoring in the Kraft pulp industry

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