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Scattered light dust measuring devices
FW102

This product family has been phased out!
Effective monitoring of dust concentrations with scattered light

Your Benefits

  • Installation from one side
  • Simple mounting

Overview

Effective monitoring of dust concentrations with scattered light

The FW102 measuring device is used in the constant measurement of dust concentrations in the small to medium range. It measures independently of gas velocity, humidity, or particle charge. The probe-shaped designed of the FW102 provides a particular advantage. It can be installed at one end of the gas duct and requires neither mechanical adjustment nor adjustment to dust-free measurement sections.

At a glance
  • Automatic check of zero and reference point
  • Evaluation unit for remote control and connection of up to three FW102 measuring devices as an option

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.

  • FW102 system
    Measured valuesScattered light intensity, dust concentration (after gravimetric comparison measurement)
    Performance-tested measurandsDust concentration
    Measurement principlesScattered light forward
    Spectral range
    640 nm ... 660 nm
    Laser, protection class 2, power < 1 mW
    Measuring ranges
    Dust concentration0 ... 5 mg/m³ / 0 ... 200 mg/m³

    Measuring ranges freely selectable

    Higher measuring ranges on request

    Certified measuring ranges
    Dust concentration0 ... 20 mg/m³
    Response time (t90)
    0.1 s ... 600 s
    Freely adjustable
    Accuracy
    ± 2 %
    Of measuring range full scale
    Process temperature
    –20 °C ... +220 °C
    Process pressure
    With connection unit with integrated purge air supply–50 hPa ... 10 hPa
    With external purge air unit–50 hPa ... 70 hPa
    With instrument air (provided by the customer)–50 hPa ... 100 hPa
    Process gas humidity
    Non-condensing
    Duct diameter
    ≥ 0.15 m
    Conformities

    TA-Luft (Prevention of Air Pollution)

    27.BImSchV

    EN 14181

    Electrical safetyCE
    Test functionsAutomatic check cycle for zero and span point
    OptionsExternal purge air unit
  • FWSE102 sender and receiver unit
    DescriptionAnalyzer unit with measuring probe
    Ambient temperature
    –20 °C ... +50 °C
    Enclosure rating
    IP65
    Dimensions (W x H x D)
    150 mm x 150 mm x 440 mm
    Weight
    2.7 kg
    Power supply
    Voltage24 V
    Supply via connection unit
    Power consumption≤ 4 W
  • AK1-N connection unit
    DescriptionUnit for connecting data cables and power supply to the system components
    Ambient temperature
    –20 °C ... +45 °C
    Enclosure rating
    IP65
    Analog outputs1 output:
    0/2/4 ... 20 mA, 750 Ω
    Electrically isolated, second output as option
    Digital outputs3 relay contacts:
    48 V, 1 A
    Potential-free, for status signals "operation/ failure", "limit value", "maintenance"
    Digital inputs1 input:
    Potential-free, for maintenance switch
    Serial
    Type of fieldbus integrationRS-232
    FunctionProprietary service interface
    Indication
    Double-spaced LC display: option
    Dimensions (W x H x D)
    200 mm x 220 mm x 130 mm
    For details see dimensional drawings
    Weight
    3.7 kg
    Power supply
    Voltage100 ... 240 V
    Optional: 24 V DC ± 2 V
    Frequency47 ... 63 Hz
    Power consumption≤ 15 W
  • AK1-P connection unit
    DescriptionUnit for connecting data cables and power supply to the system components, with integrated purge air supply
    Ambient temperature
    –20 °C ... +45 °C
    Intake temperatures for purge air
    Enclosure rating
    IP65
    Analog outputs1 output:
    0/2/4 ... 20 mA, 750 Ω
    Electrically isolated, second output as option
    Digital outputs3 relay contacts:
    48 V, 1 A
    Potential-free, for status signals "operation/ failure", "limit value", "maintenance"
    Digital inputs1 input:
    Potential-free, for maintenance switch
    Serial
    Type of fieldbus integrationRS-232
    FunctionProprietary service interface
    Indication
    Double-spaced LC display: option
    Dimensions (W x H x D)
    300 mm x 420 mm x 220 mm
    For details see dimensional drawings
    Weight
    13.5 kg
    Power supply
    Voltage100 ... 240 V
    Optional: 24 V DC ± 2 V
    Frequency47 ... 63 Hz
    Power consumption≤ 70 W
  • SLV4-2 purge air unit, 2BH1300, 3-ph
    DescriptionUnit 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 filter
    Ambient temperature
    –40 °C ... +55 °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
    Three-phase current

    Δ: 200 ... 240 V, 50 Hz, 2,6 A, 400 W

    Y: 345 ... 415 V, 50 Hz, 1,5 A, 400 W

    Δ: 200 ... 275 V, 60 Hz, 2,6 A, 500 W

    Y: 380 ... 480 V, 60 Hz, 1,5 A, 500 W

    Δ: 270 ... 330 V, 50 Hz, 2,0 A, 400 W

    Y: 465 ... 570 V, 50 Hz, 1,16 A, 400 W

    Δ: 290 ... 360 V, 60 Hz, 2,1 A, 500 W

    Y: 500 ... 600 V, 60 Hz, 1,26 A, 500 W

    Δ: 230 V, 50 Hz, 2,7 A, 370 W

    Δ: 115 V, 60 Hz, 3,0 A, 450 W

    Δ: 220 ... 270 V, 50 Hz, 2,5 A, 400 W

    Y: 380 ... 465 V, 50 Hz, 1,45 A, 400 W

    Δ: 240 ... 290 V, 60 Hz, 2,6 A, 500 W

    Y: 415 ... 500 V, 60 Hz, 1,55 A, 500 W

    Auxiliary gas connections
    Purge air40 mm
    Test functionsPressure switch (switching point –35 hPa)
    Integrated components2-step air filter, type Europiclon, dust capacity 200 g
All technical data can be found accompanying the individual product

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