Scattered light dust measuring devices

Please note: Our regional sales organization will help you to select the optimum device configuration.
Copy shortlink
    • Technical specifications
      Measured valuesScattered light intensity, dust concentration (after gravimetric comparison measurement)
      Measurement principlesScattered light forward
      Spectral range
      640 nm ... 660 nm
      Laser, protection class 2, power < 1 mW
      Measuring ranges
      Scattered light intensity0 ... 7.5 SI / 0 ... 3,000 SI
      Measuring ranges freely selectable; nine measuring ranges pre-configured (0 ... 7.5/15/45/75/150/225/375/1,000/3,000 SI)
      Response time (t90)0.1 s ... 600 s
      Freely adjustable via SOPAS ET software
      ± 2 %
      Of measuring range full scale
      Process temperature
      –40 °C ... +220 °C
      Process pressure
      With external purge air unit–50 hPa ... 30 hPa
      With instrument air (provided by the customer)–50 hPa ... 100 hPa
      Process gas humidity
      Duct diameter
      ≥ 0.15 m
      Ambient temperature
      –40 °C ... +60 °C
      ConformitiesTUEV type-examination
      Electrical safetyCE
      Enclosure rating
      Analog outputs1 output:
      0/4 ... 20 mA, 750 Ω
      Electrically isolated
      Digital outputs3 relay contacts:
      48 V, 1 A
      For status signals
      Digital inputs4 inputs:
      For external maintenance switch, automated operational check, linearity measurement, calibration curve switching, or filter monitoring
      Type of fieldbus integrationRTU RS-485
      FunctionFor connection of a MCU control unit or as service interface
      Type of fieldbus integrationRTU RS-485
      ModelWithout integrated purge air unit
      Dimensions (W x H x D)
      173 mm x 167.5 mm x 437 mm (for details see dimensional drawings)
      Nominal length180 mm
      ≤ 2.7 kg
      Power supply
      Voltage24 V DC
      Power consumption≤ 4 W
      Test functions

      Automatic self-test (linearity, drift, aging)

      Manual linearity test with reference filter


      MCU control unit

      External purge air unit

    • Classifications
      eCl@ss 5.027150306
      eCl@ss 5.1.427150306
      eCl@ss 6.027150306
      eCl@ss 6.227150306
      eCl@ss 7.027150306
      eCl@ss 8.027150306
      eCl@ss 8.127150306
      eCl@ss 9.027150306
      eCl@ss 10.027150306
      eCl@ss 11.027150306
      eCl@ss 12.027150306
      ETIM 5.0EC001190
      ETIM 6.0EC001190
      ETIM 7.0EC001190
      ETIM 8.0EC001190
      UNSPSC 16.090141115406

    Technical drawings

    sender/receiver unit DHSP30, 1″ thread, nominal length = 180 mm
    MCU-N control unit; wall-mounting enclosure, compact version (for non-hazardous areas only)
    SLV4-2 purge air unit, 2BH1300
  • View: View Gallery View List Show all
    Hide all