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FW300
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Laser Transmissiometer for Dust Measurements Sticky dusts, high gas temperatures or varying gas velocities - the FW300 measures also under unfavorable condistions instantanous and with high presicion. Applications The FW300 is suitable for measurement of dust concentrations in processes or of dust emission in quarries or mill works as well as for monitoring of dust loads in factory halls.
It is used for emission monitoring and monitoring of filter plants in energy production, in the building material industry, metallurgy, food and feed stuff industrie and the chemical industry.
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| Technical specification |
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Measuring values |
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Transmittance, opacity, extinction, dust concentration |
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Measuring ranges |
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Transmittance: 80 ... 100 % to 0 ... 100 %; adjustable;
Opacity: 20 ... 0 % to 100 ... 0 %: adjustable
Extiction: 0 ... 0.1 to 0 ... 2.5
Dust concentration: 0 ... 800 mg/m³ (0 ... 0.35 gr/ft³) to 0 ... 12 g/m³ (0 ... 5.24 gr/ft³), depending on measuring distance |
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Measuring accuracy |
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Transmittance: ± 0.4 %
Opacity: ± 0.4 %
Extinction: ± 0.002 |
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Measuring distance |
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0.5 ... 2 m (1.6 ... 6.6 ft),
1.5 ... 8 m (4.9 ... 26.2 ft), 6 ...15 m (19.7 ... 49.2 ft),
depending on type of transmitter / receiver unit and reflector |
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Gas temperature |
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max. 600 °C (1,112 °F) |
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Ambient temperature |
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-20 ... +50 °C (-4 ... +122 °F) |
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Protection category |
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IP 65 |
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Measured value output |
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0/2/4 ... 20 mA analog output;
second analog output as an option |
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Interfaces |
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RS232 for parameterization/service with MEPA;
CAN interface as an option |
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Status/control signals |
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3 relay outputs; 48 V, 1 A; for fault, maintenance, limit |
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Dust Measurement
FW300;)
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