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The SBS3500s Stack Gas Oxygen Analyzer offers you the decisive tool for optimizing your boiler efficiency and reducing the oxygen content of your exhaust gas. Even on smaller boilers, the SBS3500s Stack Gas Oxygen Analyzer achieves a pay-back time of less than 12 months. Furthermore, optimized combustion will keep the boiler clean.
Robust Technology & Versatile Design
The SBS3500s Stack Gas Oxygen Analyzer is installed in the stack close to the boiler, thus measuring under actual flue conditions. The sample is analyzed in situ without being passed through vulnerable sampling lines. The Zirconia Cell Sensor of the SBS3500s Stack Gas Oxygen Analyzer is one of the most rugged analyzing techniques that has proven its function in many different environments.
Both the monitoring range and the signal output range are fully scalable according to your needs and external requirements. These outputs can be used as active input in a boiler control system for optimizing boiler efficiency.
Highest Quality at Lowest Maintenance
The automatic simplified calibration of the SBS3500s Stack Gas Oxygen Analyzer assures minimum maintenance and crew disruption. At regular intervals (freely configurable), the analyzer calibrates itself using instrument air. The automatic backflushing of the probe head with instrument air cleans the probe head from loose soot and dust, thus assuring maintenance free operation of the SBS3500s Stack Gas Oxygen Analyzer
The simple and self-explanatory design makes it easy to check the functionality of the analyzer. Even if the Zirconia Cell needs to be replaced, this can be done within ten minutes.
Benefits to Economy and Environment
The fuel-air ratio in the burner is crucial to optimizing the combustion and boiler efficiency. Excess air will result in higher O2 concentrations and means that you are using valuable energy to heat up excess air. Excess fuel will result in too low O2 levels, incomplete combustion, and soot clogging. Besides wasting fuel, your vessel might violate environmental standards by emitting black smoke.
With an SBS3500s Stack Gas Oxygen Analyzer you can typically optimize combustion and save 3-5% fuel – in some cases even more. Compared to the sheer volume of fuel consumption of marine boilers, the cost of installing an SBS3500s Stack Gas Oxygen Analyzer is only a minor investment. Its payback time will usually be a matter of months. As a result, you spare the environment of emissions and your budget of fuel costs. A classic win-win situation.

Probe head
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Key Features
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True wet measurement of excess oxygen in flue gas
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Automatic back-flushing for purging filter at probe head
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Optimize your boiler combustion
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Save fuel & keep your boiler clean
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Easy to install, easy to maintain, easy to use
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Automatic In-situ calibration
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Simplified calibration saves zero test gas
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Configurable measuring range
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Configurable output
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Inexpensive parts
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Easy sensor replacement
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Worldwide customer support
For enquiries please contact our sales department.
Please download our brochure (PDF)
Please download this Excel-file to calculate the pay-back time of your SGOA.

Dimensions of the probe head in mm

Analyzer board
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