- Model DM 170 - Backscatter Particulate Measurement Sensors



Part of PCME’s range of Backscatter particulate measurement sensors, the PCME DM 170 is designed to comply with the TUV suitability testing scheme to EN 15267 and for measuring dust concentrations in a wide range of industrial applications. Due to its wide dynamic range, the PCME DM 170 may be used in Combustion applications as well as in higher dust loading applications (Power, Cement and Metals smelting and processes without filtration).  It's simplicity and wide operating range makes it ideally suited also for process optimisation applications.

  • ProScatter® Backscatter sensor technology with superior minimum detection level as low as 1 mg/m³ compared to conventional techniques
  • Manual and remote Zero and Span (reference) checks available to ensure optimal instrument performance
  • Purge Flow Fail Sensor and Optical Shield options
  • Non-intrusive system designed to operate in non-condensing stack environments and to reduce the risk of contamination
  • Contamination risks are further reduced due to single side stack installation where critical optical components remain outside the stack
  • A Flue Gas Blocker can be fitted to ensure that flue gases do not escape when the unit is opened (for auditing/maintenance purposes), thus enhancing on-site personnel safety
  • Offers a more reliable PM dust measurement as an alternative to Opacity and Scintillation based monitors for emissions reported in mg/m³ and provides early indication of increased dust emissions in processes with low dust concentrations

Typical Applications

The PCME DM 170 is used to monitor emissions from the following types of applications:

  • Power Plant and Combustion Processes including:

         Coal fired power stations

         Gas/Oil fired power stations

         Refinery boilers

         Biomass power plant
  • Chemical, Mineral and Metal processes
  • Non-condensing/dry flue gases*

*For wet/condensing flue gas applications see PCME QAL 182 WS


  • Dust Measurement Range: <1-1000 mg/m³
  • Air Purge Requirement: PCME supplied blower or suitably conditioned instrument air
  • Stack Diameters: 1.5 - 15m
  • Stack Temperatures: -20°C to 400°C


  • 316 Stainless Steel
  • IP65 Protection Rating
  • Power: 100 -240V AC
  • Flue Gas Temperature (at monitoring point): -20°C to 250°C, option up to 400°C
  • Flue Gas Blocker (option)

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