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D-R820-F
Continuous extractive dust concentration monitor
A defined partial current is withdrawn from the exhaust gas current.
This partial current is continuously heated and diluted with clean, heated air directly in the sampling probe.
This immediately lowers the relative moisture and aerosols get evaporated in the heated probe where a dry dust measuring can be performed using a D-R800.
The result is a 4-20mA signal that correspend to the dust concentration. |
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F-904-20
Extractive beta gauge particulate monitor
Determination of the dust concentration by measuring the absorption of beta rays emitted by a radioactive emitter by particles collected from an exhaust gas flow. |
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F-701-20
Extractive beta gauge particulate monitor for measuring of ambient air
Samples are collected from the ambient air on a filter during predefined periods.
The measuring principle is based on the absorption of the beta rays (electrons) emitted by a radioactive emitter through the filter.
The result is a 4-20mA signal that correspend to the dust concentration. |
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D-RC80
Portable automatic sampling device for gravimetric dust measurements
Reference measuring system for calibration of dust measuring instruments according to DIN EN 13284-1 and VDI 2066.
By using an easy-to-use step-by-step display, samples are collected on a filter. The filters are weight. The values need to be entered manually, and together with the measured values the dust concentration is determined. The values can be printed with an integrated printer, or can be red by using the interface. |
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