Scattered light dust measuring devices
FWE200
Your Benefits
- Reliable dust measurement in wet gas
- No moving parts in contact with aggressive gas, therefore low maintenance
- Mounting directly at the duct due to compact design
Overview
The FWE200 dust measuring device is designed to measure dust concentrations in wet flue gas. The gas is extracted via a sampling probe and heated above dew point. Droplets in the gas are vaporized, making it impossible for them to falsify the measurement results. The scattered light principle enables even very low dust concentrations to be measured.
- For very low to medium dust concentrations
- Gas sampling and return combined in one probe
- Contamination check
- Automatic check of zero and reference point
Accessories
Applications
Service & Support
Technical overview
Please note: The exact device specifications and performance data of the product may deviate from the information provided here, and depend on the application in which the product is being used and the relevant customer specifications.
- FWE200 system
FWE200 system
Measured values Scattered light intensity, dust concentration (after gravimetric comparison measurement) Performance-tested measurands Dust concentration Measurement principles Scattered light forward Spectral range 640 nm ... 660 nm
Laser, protection class 2, power < 1 mWMeasuring ranges Dust concentration 0 ... 5 mg/m³ / 0 ... 200 mg/m³ Measuring ranges freely selectable Higher measuring ranges on request Certified measuring ranges Dust concentration 0 ... 15 mg/m³ / 0 ... 50 mg/m³ Response time (t90) 0.1 s ... 600 s
Freely adjustableAccuracy ± 2 %
Of measuring range full scaleProcess temperature PVDF probe ≤ +120 °C Hastelloy probe ≤ +220 °C Process pressure –20 hPa ... 20 hPa Process gas velocity 4 m/s ... 20 m/s Process gas humidity Max. 10 g/m³ liquid water without water vapour Ambient temperature –20 °C ... +50 °C Conformities Approved for plants requiring approval
2001/80/EC (13. BImSchV)
2000/76/EC (17. BImSchV)
27.BImSchV
TA-Luft (Prevention of Air Pollution)
EN 15267
EN 14181
MCERTS
U.S. EPA PS-11 compliant
Electrical safety CE Enclosure rating System IP54 Electronics enclosure IP65 Analog outputs 1 output:
0/2/4 ... 20 mA, 750 Ω
Electrically isolated, second output as optionDigital outputs 4 relay contacts:
+ 250 V, 1 A
Preset for failure, warning, limit value and maintenanceDigital inputs 1 input:
Potential-free, for maintenance switchSerial ✔ Type of fieldbus integration RS-232 Function Proprietary service interface Operation Menu-driven operation via control unit Dimensions (W x H x D) FWE200 measuring and control unit 730 mm x 830 mm x 340 mm For details see dimensional drawings Weight FWE200 measuring and control unit 65 kg Sampling probe ≤ 15 kg Power supply Voltage 115 V / 230 V Frequency 47 ... 63 Hz Power consumption ≤ 2.5 kW Options FWE200 mounting rack
- SLV4-2 purge air unit, 2BH1300, 1-ph
SLV4-2 purge air unit, 2BH1300, 1-ph
Description Unit to provide dust-free air for flushing of optical surfaces Gas flow rate 38 m³/h ... 63 m³/h
At 30 hPa counter pressure, depending on low pressure inside the filterAmbient temperature –20 °C ... +40 °C Enclosure rating IP54 Dimensions (W x H x D) 550 mm x 550 mm x 258 mm For details see dimensional drawings Weight 18 kg Power supply Voltage 230 V / 115 V Frequency 50 Hz / 60 Hz Current consumption ≤ 6 A Power consumption ≤ 450 W Auxiliary gas connections Purge air 40 mm Test functions Pressure switch (switching point –35 hPa) Integrated components 2-step air filter, type Europiclon, dust capacity 200 g
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