Scattered light dust measuring devices

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    • Technical specifications
      DescriptionWith intergrated purge air unit
      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
      –50 hPa ... 10 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
      ModelWith intergrated purge air unit
      Dimensions (W x H x D)
      173 mm x 268 mm x 517 mm (for details see dimensional drawings)
      Nominal length280 mm
      ≤ 5 kg
      Power supply
      Voltage24 V DC
      Power consumption≤ 30 W
      Test functions

      Automatic self-test (linearity, drift, aging)

      Manual linearity test with reference filter

      OptionsMCU control 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 = 280 mm, with integrated purge air unit
    MCU-N control unit; wall-mounting enclosure, compact version (for non-hazardous areas only)
    SLV4-2 purge air unit, 2BH1300
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