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Continuous Emission Monitoring Systems
Ecotech's Continuous Emission Monitoring Systems (CEMS)
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Continuous Emissions Monitoring Systems (CEMS) are used for the measurement of a number of pollutants from within the stack environment. Monitoring within the stack presents a number of problems due to extremes of temperature, velocity of sample and pressure. The common pollutants to measure are SO2, NO and NO2 whilst it is also used for monitoring CO, CO2, H2S and NH3. Ecotech, offers a comprehensive range of continuous emission monitoring solutions utilising a variety of different techniques, enabling us to offer the best technology to suit your individual requirement. |
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The extractive dilution technique is one of the most widely used method for continuous emission monitoring of SO2 and NOx it is also ideal for use in monitoring CO, CO2, H2S and NH3. It can be combined with a zirconium oxide sensor for the continuous measurement of O2. |
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The extractive dilution system extracts a small sample of gas from the stack, removies particulates and then dilutes the sample with clean dry zero air, thus reducing the dew point so as to prevent condensation of water vapour and acid mist.
The diluted sample is then sent down unheated umbilical lines to the base of the stack where it is analyzed by high precision analyzers. Due to the high sensitivity of these analyzers, dilution doesn’t influence measurement accuracy negatively. In fact, accuracy is improved over other systems since water vapour cannot condense and remove part of the sample.
More Information on Ecotech's Extractive Dilution System
| Ecotech is the Australian & New Zealand exclusive distributor for the Opsis Open Path Monitoring System. These systems offer many advantages and are ideally suited for tough environments, for multipoint measurements and for measuring a wide range of gases.
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Ecotech distributes a range of insitu and portable combustion efficiency monitors ranging from the Opsis O2000 Zirconium oxide oxygen monitor to the Land-Amatek insitu CO/O2 Monitors.
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Ecotech is the Australian & New Zealand distributor of the Land Amatek range of opacity/particulate monitors and the ETR Unidata range of particulate monitors. The Land 4500MKIII monitor measures both opacity and particulate concentrations in stacks with a diameter greater than 1 metre and in higher particulate concentrations. The ETR Unidata ZETA 5000 is perfect for use in small to large stacks when particulate concentration is low or a higher level of accuracy is required.
More information on Land 4500MKIII Particulate/Opacity Monitors
More information on the ETR Unidata ZETA 5000 Particulate Monitor |
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