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.
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) | ||||||||||||||
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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 |
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Electrical safety | CE | ||||||||||||||
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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 |
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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) | ||||||||||||||||||||
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Electrical safety | CE | ||||||||||||||||||||
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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 | ||||
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Sender/receiver unit, Ex-version
Description | Analyzer unit of the measuring system | ||||
Operation | Via integrated operating unit | ||||
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Open measuring probe (GMP)
Description | Measuring probe in open design with integrated purge air control system | ||||
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Material in contact with media | Stainless steel 1.4571, stainless steel 1.4539 | ||||
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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 | ||||||||
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Material in contact with media | Stainless steel 1.4571, stainless steel 1.4539, ceramics, PTFE | ||||||||
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Integrated components | Pressure sensor
PT1000 temperature sensor |
Reflector unit
Description | Reflector unit with glass triple reflector | ||||
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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 |
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Analog inputs | 2 inputs: 0/4 … 22 mA, 100 Ω |
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Digital outputs | 4 outputs: + 48 V AC/DC, 0.5 A, 25 W |
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Digital inputs | 4 inputs: + 3.9 V, 4.5 mA, 0.55 W Per module, extendable up to eight inputs |
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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 |
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Analog inputs | 2 inputs: 0/4 … 22 mA, 100 Ω |
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Digital outputs | 4 outputs: + 48 V AC/DC, 0.5 A, 25 W |
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Digital inputs | 4 inputs: + 3.9 V, 4.5 mA, 0.55 W Per module, extendable up to eight inputs |
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Purge air fixture, sender/receiver unit
Description | Fixture to flanges with connections for purge air and external cabling (only cross duct design) | ||||||
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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) | ||||||
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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 | ||||||
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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 | ||||||
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Test functions | Pressure switch (switching point –35 hPa) | ||||||
Integrated components | 2-step air filter, type Europiclon, dust capacity 200 g |
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