The AE8 oxygen analyser has been designed to measure the absolute oxygen content of flue gases or other gas mixtures in industrial applications.
The absolute content of residual oxygen in gases produced during combustion or chemical processes is one of the most important indicators for combustion control. By determining the residual oxygen content, optimum thermal efficiency can be achieved, and negative environmental impact can be reduced.
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Specifications
Power supply
230V, 50Hz
Outside boiler protection
IP65
Power input
max. 150 VA
Measuring range
0-21% O! 2
Response time to change in O2
1 sec as standard.
O2 measurement accuracy
± 0,1% O! 2
Temperature in the mounting flange area outside the boiler
-10 °C to +80 °C
Operating temperature of the instrument housing
-20 °C to +55 °C
Flue gas temperature
max. 600 °C or 700 °C to 1000 °C
Max. under- or overpressure of the measured environment
4 kPa
Outputs
current 4-20 mA, Modbus RTU (RS485), measurement validity (relay contact)
Probe length (other options available on request)
350mm, 500mm, 1200mm
Device box size (WxHxD)
standard 300 × 300 × 150 mm
The basic measuring element of the instrument is a ZrO2 solid electrolyte sensor located directly in the flow of the flue gas to be analysed. Probes for gas temperatures up to 600 degrees Celsius have a ceramic sensor housing equipped with a heating element; high-temperature probes are heated to operating temperature by the directly measured gases. A stainless steel cover provides both protection and support. This is passed through the wall of the boiler and connected to it by the mounting flange.
Cables connect the probe to the instrument housing, which contains the control electronics and all the other equipment necessary for the instrument's operation. At the bottom of the housing, there is a reference air filter, grommets for connecting the probe, power supply and communication signals, and the calibration gas inlet. Calibration can be performed at up to four points (air + 3 calibration gases) without disassembling the analyser.
The AE8 Series analysers can be upgraded with an automatic calibration unit or supplied with a probe design, depending on the specific application.
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By continuously measuring oxygen and then adjusting to the optimum value, fuel consumption can be reduced and emission limits can be met.
Controlled waste incineration increases process efficiency and helps reduce emissions.
Maintaining a controlled atmosphere during the annealing and tempering of metal products is important for surface quality.
The quality of ceramic products is guaranteed by monitoring the oxygen content, switching to reductive combustion at certain stages of firing and controlling it.
Monitoring the oxygen content is important in terms of technology, energy saving and emission reduction.
Monitoring oxygen levels is important for the quality of the resulting product.
Optimising parameters in chemical processes, protecting gaseous mixtures from explosion and ignition.
By controlling the oxygen levels in the air blown into the blast furnace, the production productivity is increased.
Gas temperature above 1000 degrees Celsius
Measurements in ceramic kilns
Chemical industry measurements
Special mechanical design
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Easy to operate
Upgradeable, modular design
Easy assembly and disassembly of the probe
Low operating costs
Measurements are taken directly in the flue gas stream, no sampling device required
Easy installation and commissioning
Immediate response to oxygen changes
Simple calibration
Easy sensor replacement and basic calibration
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Readings on the display
Indication of faults
Calibration can be performed without disassembly
Semi-automatic calibration of up to 4 points
Upgrade option for automatic calibration
Reference air flow measurement
ModBus remote management option
Would you like to find out more about the products? Contact us by e-mail or phone. We will arrange a meeting to present our ENELEX product portfolio in detail.
