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Scattered light dust measuring devices
DUSTHUNTER SB50

The dust monitor with scattered light backward measurement

Your Benefits

  • Easy installation, commissioning and operation
  • Measurement independent of gas velocity, humidity and particle charge
  • Low maintenance due to self-monitoring

Overview

The dust monitor with scattered light backward measurement

The DUSTHUNTER SB50 is a measuring device for dust at low to medium concentrations in challenging applications, e. g., in hot or corrosive gases. The measurement is based on the backward scattering of light. Installation is from one side only. Two different penetration depths are possible. Automatic compensation of background radiation, therefore no light absorber required.

At a glance
  • For low to medium dust concentrations
  • One-sided installation
  • Automated thorough check of zero and reference point
  • Automated compensation of background radiation, therefore no light absorber required
  • For medium to large duct diameters

Accessories

spareparts

Applications

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.

  • DUSTHUNTER SB50 system

    DUSTHUNTER SB50 system

    Measured valuesScattered light intensity, dust concentration (after gravimetric comparison measurement)
    Measurement principlesScattered light backward
    Spectral range
    640 nm ... 660 nm
    Laser, protection class 2, power < 1 mW
    Measuring ranges
    Dust concentration0 ... 20 mg/m³ / 0 ... 200 mg/m³
    Higher measuring ranges on request
    Response time (t90)
    1 s ... 600 s
    Freely adjustable
    Accuracy
    ± 2 %
    Of measuring range full scale
    Process temperature
    –40 °C ... +600 °C
    Process pressure
    With MCU-P control unit–50 hPa ... 2 hPa
    With external purge air unit–50 hPa ... 30 hPa
    Process gas humidity
    Non-condensing
    Duct diameter
    ≥ 500 mm
    Electrical safetyCE
    Test functions

    Automatic self-test (linearity, drift, aging)

    Manual linearity test with reference filter

  • DHSB-T00/-T01 sender/receiver unit

    DHSB-T00/-T01 sender/receiver unit

    Ambient temperature
    –40 °C ... +60 °C
    Electrical safetyCE
    Enclosure rating
    IP66
    Dimensions (W x H x D)
    265 mm x 274 mm x 692 mm (for details see dimensional drawings)
    Weight
    ≤ 9 kg
    Power supply
    Voltage24 V
    VoltageSupply via control unit
    Power consumption≤ 4 W
  • MCU-N control unit

    MCU-N control unit

    DescriptionUnit to control the system components and to evaluate and output the data provided by them
    Ambient temperature
    –40 °C ... +60 °C
    Electrical safetyCE
    Enclosure rating
    IP66
    Analog outputs1 output:
    0/2/4 ... 20 mA, + 750 Ω
    Electrically isolated; two additional outputs if using I/O modules (option)
    Analog inputs2 inputs:
    0 ... 20 mA
    Not electrically isolated; two additional inputs if using I/O modules (option)
    Digital outputs5 relay contacts:
    + 48 V, 1 A
    Potential-free; for status signals
    Digital inputs4 potential-free contacts
    Communication interface

    Modbus

    PROFIBUS DP

    Ethernet

    Type of fieldbus integrationTCP (via optional interface module, only one module possible per MCU)
    RTU RS-485 (via optional interface module, only one module possible per MCU)
    Via optional interface module (only one module possible per MCU)
    FunctionConnection to SOPAS ET software or OPC server
    Number1
    Indication
    LC display (option)
    Status LEDs: “Power,” “Failure,” and “Maintenance request”
    OperationVia LC-display (option) or software SOPAS ET
    Dimensions (W x H x D)
    210 mm x 340 mm x 120 mm (for details see dimensional drawings)
    Weight
    ≤ 3.7 kg
    Power supply
    Voltage90 ... 250 V
    VoltageVersion with 24 V DC available as an option
    Frequency47 ... 63 Hz
    Power consumption≤ 15 W
    Options

    Interface module(s)

    I/O module(s)

  • MCU-P control unit

    MCU-P control unit

    DescriptionUnit to control the system components and to evaluate and output the data provided by them. With integrated purge air unit.
    Gas flow rate
    ≤ 20 m³/h
    Ambient temperature
    –40 °C ... +45 °C
    Intake temperatures for purge air
    Electrical safetyCE
    Enclosure rating
    IP66
    Analog outputs1 output:
    0/2/4 ... 20 mA, + 750 Ω
    Electrically isolated; two additional outputs if using I/O modules (option)
    Analog inputs2 inputs:
    0 ... 20 mA
    Not electrically isolated; two additional inputs if using I/O modules (option)
    Digital outputs5 relay contacts:
    + 48 V, 1 A
    Potential-free; for status signals
    Digital inputs4 potential-free contacts
    Communication interface

    Modbus

    PROFIBUS DP

    Ethernet

    Type of fieldbus integrationTCP (via optional interface module, only one module possible per MCU)
    RTU RS-485 (via optional interface module, only one module possible per MCU)
    Via optional interface module (only one module possible per MCU)
    FunctionConnection to SOPAS ET software or OPC server
    Number1
    Indication
    LC display (option)
    Status LEDs: “Power,” “Failure,” and “Maintenance request”
    OperationVia LC-display (option) or software SOPAS ET
    Dimensions (W x H x D)
    300 mm x 455 mm x 220 mm (for details see dimensional drawings)
    Weight
    ≤ 13.5 kg
    Power supply
    Voltage90 ... 250 V
    VoltageVersion with 24 V DC available as an option
    Frequency47 ... 63 Hz
    Power consumption≤ 70 W
    Options

    Interface module(s)

    I/O module(s)

  • SLV4-2 purge air unit, 2BH1300, 3-ph

    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
    Electrical safetyCE
    Enclosure rating
    IP54
    Dimensions (W x H x D)
    550 mm x 550 mm x 257 mm (for details see dimensional drawings)
    Weight
    18 kg
    Power supply
    Three-phase currentΔ: 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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