
Specs at a glance
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Measured variables
CO, CO2, H2O
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Device version
Cross-duct version
Measuring probe version -
Ambient temperature range
-20 °C ... +55 °C
Temperature change maximum ±10 °C/h
Field of application
Simultaneous or as individual measurement: the GM35 gas analyzer measures CO2, H2O and CO, 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, accuracy, and short response time of the GM35 offer a key advantage for efficient control loops in CO and CO2-generating processes.
Emission monitoring according to EN 14181, e. g., in power or cement plants
Control of the water injection upstream of the electrostatic precipitator
Device properties:
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
Benefits
Dynamic moisture measurement directly within the process
Provision of measured moisture reference values
Nearly uncompromised measured values thanks to in-situ measurement
Fast or transient process deviations are measurable
Representative measurement by selecting a suitable measuring probe or cross-duct type
Xpert selection
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
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Industry Solution (SO)
Solutions for chemicals, petrochemicals and refineries
Endress+Hauser offers a broad product portfolio of continuous gas analyzers using state-of-the-art technologies.
Language:
English
Version:
01/01/2025
File size:
3.1 MB
File name:
8030415_CPR_en_V1-0_2025.01_EHS.pdf
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Competence Brochure (CP)
Emission Monitoring Solutions – broad instrument portfolio and longstanding experience
An overview brochure about emission monitoring, their measuring
principles and technologies, global requirements and services, a
selection guide and the measuring devices at a glanceLanguage:
English
Version:
01/01/2025
File size:
4.5 MB
File name:
8029975_CP_Emission_Monitoring_Solutions_en_V3-0_2025.01_EHS.pdf
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Innovation (IN)
GM35 – in-situ gas analyzer for measurement of CO2, H2O and CO
The GM35 gas analyzer measures CO2, H2O and CO or N2 concentrations as well as temperature and pressure quickly, easily and
economically.Language:
English
Version:
01/01/2025
File size:
2.9 MB
File name:
8029966_IN_GM35_en_V3-1_2025.01_EHS.pdf
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Verification DTM
GM35 SDD file
SOPAS device description file for GM35
Language:
Language neutral
Version:
29/02/2016
File size:
375 KB
File name:
GM35 SDD file
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