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The COMTEC^® 6000 DustEx is the standard InSitu analyzer system for use in dust explosion zones 21/22

In accordance to the tough demands placed on measuring systems in high dust processes, the DustEx is ATEX*certified to II 2D Ex tD A21 IP6X T133°C/T141°C.

Being able to precisely determine the proportion of oxygen and CO_e in flue gas is the starting point for the safe and optimized operation of incinerators, as oxygen and CO_e are dependent to one another within a combustion process. Undesirable developments can thus be identified and rectified earlier, before any damage is caused.

The COMTEC^® 6000 DustEx is also available for O₂ only measurements.

Applications

• Energy optimization
• Emission measurements
• Power generation
• Waste incineration
• Combustion control.

Features

• InSitu measurement in real-time
• Overview of calibration history
• ATEX certified for zones 21/22
• Low-maintenance
• Self-monitoring
• Sensor life expectancy on display
• Gas tight sensor construction.

*Please note ATEX certification is only recognised in Europe. Australia recognises IECEx. For IECEx, a third (certification) party is is required to make the design and manufacturing assessment to issues the IECEx certificate. In practice this means IECEx 02 requires more evidence and assurance from the manufacturer during the quality certification process. ATEX and IECEx both use the same standards (eg EN-IEC 60079-0), so they are technically almost identical.

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The SILOTEC^® 8000 allows fast, reliable, safe analysis of oxygen, carbon monoxide and methane for ATEX* zone 20 in silos and other dusty atmospheres at risk of explosion.

The simultaneous measurement of O₂ and CO allows smouldering fires to be detected and can trigger inertization. The system is 100% maintenance-free and has the necessary IP rating for straightforward installation on silo roofs.

Fast InSitu measurement means that a slow, maintenance-intensive extractive analyzer system is not needed.

Applications

• Coal silos
• Flour silos
• Sugar silos
• Coke silos
• Potentially explosive dust atmospheres.

Features

• Plug & Play
• Simultaneous CO and O₂ measurement
• Self-monitoring
• Compliant with the ATEX zone 20
• Fast responding
• Smouldering fire detection.

*Please note ATEX certification is only recognised in Europe. Australia recognises IECEx. For IECEx, a third (certification) party is is required to make the design and manufacturing assessment to issues the IECEx certificate. In practice this means IECEx 02 requires more evidence during the certification process and assurance of the quality system by the manufacturer. ATEX and IECEx both use the same standards (eg EN-IEC 60079-0), so they are technically almost identical.

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ENSITU 7000 enables fast and continuous measurement and is capable of withstanding flue gas temperatures up to 600°C and high dust loads. Versatile and robust, this new ENOTEC analyzer is the ideal solution for process control in small to medium-sized boilers using all applicable fuels, such as gas, oil, and coal.

ENSITU 7000 requires no calibration or instrument air and is ready for immediate use.

ENSITU 7000 measures in situ: The flue gas flows directly through the large V-shield filter, so the O₂ sensor reacts immediately to changes in oxygen concentration, eliminating the need for flue gas extraction or downstream gas treatment.

Installation is quick and simple using an industry standard flange. Available in 3 lengths, the ENSITU® 7000 is designed for easy integration in existing boiler concepts.

Applications

• Boilers using any fuel
• Biomass plants
• Furnaces
• High dust loads.

Features

• Plug & Play operation
• Innovative operating concept
• Ready for immediate use
• Easy integration into existing boiler concepts
• Electronics can be separated from the probe by a robust industrial connector.

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The CEMTEC^® gas sampling probe system was developed for continuous analysis of flue gas in cement plant rotary kiln inlets and other extremely dusty, high temperature processes such as in lime plants with the goal of increasing product quality with reduced fuel usage while simultaneously reducing harmful emissions.

With the increasing usage of alternative fuels in rotary kilns and large combustion chambers, on-site gas analysis has become more important.
In addition, stringent emission targets worldwide are driving the need for quality continuous process measurement and SNCR control for NO_x reduction.

Process temperatures up to 1400°C, dust concentrations of up to 2000 ^g/_m³, high mechanical stress and ambient temperatures up to 50°C make extreme demands on any equipment. CEMTEC^® unique features provide an optimal solution for uninterrupted measurement under challenging conditions as found in kiln inlet chambers.

The CEMTEC^® is self-cleaning which enables 95% availability of measurement during operation. In addition to the InSitu sensors for oxygen and CO_eanalysis, extractive analyzers are supplied with dust free flue gas for measurement of e.g. SO₂, NO_x or CO₂.

Due to its mechanical cleaning, continuous extraction and analysis of process gas is possible over a long period of time: The plunger at the gas inlet removes any deposits or blockages, keeping the gas inlet free. The patented swivel drive continuously rotates the probe in programmable intervals and prevents deformation of the probe tube and enables probe retraction at any time.

Applications

• Cement plants
• Lime plants
• High temperature, high dust applications

Features

• 95 % availability of measurement
• Swivel drive
• Automated self cleaning
• Automatic emergency retraction
• Optional InSitu O₂ / CO_e analysis
• Air-Coolant or Water-Coolant probe cooling

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Information

The explosion-protected gas analyzer COMTEC^® 6000 GasEx reacts immediately to process gas changes and is ideal for safe and exact measurements of oxygen and CO_e in refineries or similar areas with explosion hazards (Gas Ex zones 1 / 2).

The ATEX certifications (II 2G Ex db IIC T3 Gb), successfully completed by a German testing institute, apply to all analyzer components, including those directly exposed to the flue gas. This certification creates confidence in plant safety and is coupled with the convincing quality of ENOTEC products, which consistently withstand the challenges of aggressive process conditions.

Applications

• Refineries
• Ex hazard installations
• Petrochemical plants
• Gas by-product/Mixed gas furnaces
• Natural gas liquefaction plants.

Features

• InSitu measurement in real-time
• Overview of calibration history
• ATEX certification
• Low-maintenance design
• Self-monitoring
• Sensor life expectancy on display
• Gas tight sensor construction.

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Information

The COMTEC^® 6000 is an InSitu analyzer for measurement of O₂ and CO_e (sum of unburned molecules – CO, H2, C_xH_y) in flue and process gases. The correlation of the O₂ and CO_e measurements enables combustion fine tuning in real time.

Both sensors are located within the process at the tip of the probe installed directly in the flue gas duct. This allows for fast and continuous flue gas data measurement, enabling fast response rates to changes in the flue gas composition.

The analyzer was designed with low maintenance in mind, with minimal calibration requirements and user-friendliness. Furthermore high costs for investment and maintenance, especially when comparing to extractive analyzers, can be avoided.

Applications

• Power generation
• Iron and steel industry
• Waste incineration
• Monitoring of inert processes
• Petrochemical industry

Features

• InSitu measurement in real-time
• Overview of calibration history
• Low-maintenance
• Self-monitoring
• Sensor life expectancy on display
• Gas tight sensor construction

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Information

The OXITEC^® 500E extractive analyzer contains the same sensor technology used in the proven OXITEC^® 5000 InSitu oxygen analyzer.

In combination with an ENOTEC gas sampling and conditioning system, the OXITEC^® 500E measures oxygen content wet or dry flue gas with a detection limit of 1 ppm.

Components which come into contact with the process gas are made from very high quality corrosion-resistant stainless steel. The modern electronic unit offers straightforward operation. To ensure highest reliability, the electronics have self-monitoring functions which ensures that there is very little maintenance.

The OXITEC^® 500E is also ideally suited for the monitoring of oxygen limits, as is often required in the food industry.

Technical Data

Applications

• Air separation plants
• Monitoring of inert processes
• Production of technical gases
• Quality control

Features

• High accuracy
• Overview of calibration history
• Sensor life expectancy on display
• Gas tight sensor construction
• Self-monitoring
• Long service life

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Information

The OXITEC^® 5000 GasEx is a robust oxygen analyzer which combines the reliability and quality of OXITEC^® analyzers with the stringent standards necessary for EX protection for maximum plant safety.
ENOTEC certifies its analyzers under process-similar conditions to ensure reliable and safe process control in gas hazardous zones 1/2.
The ATEX certifications for ENOTEC products is valid for systems with process temperatures of up to 1400 °C.
Probe: ll 2G Ex d IIC T3 Gb
Electronic unit: II 2G Ex d IIC T6 Gb

For ATEX certified systems for measurement in dust Ex environments, we recommend COMTEC^® 6000 DustEx (O₂ measurement only or O₂/CO_e measurement)

Technical Data

Applications

• Refineries
• Gas production plants
• Petrochemical plants
• Gas by-product/Mixed gas furnaces
• EX hazardous areas 1/2

Features

• High accuracy
• Overview of calibration history
• Sensor life expectancy on display
• Gas tight sensor construction
• Self-monitoring
• Unrivaled long service life

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Information

ENOTEC produces oxygen analyzers for fast and precise combustion control. The OXITEC^® analyzers are developed and manufactured in-house in Germany according to ISO 9001.

Under the name OXITEC 5000+, this proven O₂ analyzer is certified for QAL1 and MCERTS applications.

Enotec’s superior sensors excel in harsh process conditions, also with aggressive or corrosive flue gas compositions. An additional strength of ENOTEC’s O₂ sensor is its resilience against process-induced vibrations, making it highly durable and giving it an average life span of 7 to 8 years, depending on the application.

OXITEC^® analyzers are highly versatile and can be configured exactly to the process; probe length, filter type, interface and even probe material can be individually configured.

Also available as a 19″ rack analyzer (4 HE) is the SME-54 electronic unit, for use in cabinets, in conjunction with an ENOTEC InSitu probe.

Technical Data

Applications

• Fuel efficiency optimisation
• Measurement of emissions
• Power generation
• Waste incineration
• Combustion control

Features

• High accuracy
• Overview of calibration history
• Sensor life expectancy
• Gas tight sensor construction
• Self-monitoring
• Fast InSitu measurement
• Unrivaled long service life

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• ATEX certified for process conditions
• No calibration necessary
• Two limit alarms
• Maintenance-free technology and design
• Two freely-adjustable measuring ranges
• Self-monitoring system
• High In-Situ measuring accuracy in real-time.

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