Digitel High Volume Sampler Single Filter Unit (Model DH-77)

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Digitel High Volume Sampler Single Filter Unit (Model DH-77)

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A system to sample dust and aerosol particles for later assessment and analysis

  • Manual filter change, one filter holder for a filter diameter of 150 mm
  • Continuous and accurate volume flow, adjustable from 100 to 1000 l/min (6 to 60 m³/h)
  • Exact flow volume determination by the air flow regulation"enviro - drive" developed by DIGITEL
  • Suitable for PM₁₀ measurements according to EN12341 with certified DIGITEL PM₁₀ inlet DPM 10/30/00 as well as PM₂.₅ and PM₁ measurements
  • Easy to use programming with integrated key pad, menu driven program, controlling, monitoring and logging by integrated microprocessors
  • Communication with other systems, smooth integration in available measuring networks via RS-232C interface, modem, radio modem and Ethernet
  • Components can be delivered separately for self assembly

How it works

The Digitel High Volume Sampler Single Filter Unit (DH-77) is a system to sample dust and aerosol particles for later assessment and analysis. The sampler operation range in standard execution is 100 to 1000 litres per minute (6 to 60 cubic metres per hour). The system’s usual designation is ‘High Volume Sampler’. Air-borne-dust parts in the sampled air are separated onto 150 mm diameter filters.

The flown filter diameter is 140 mm. Subsequent gravimetric and analytical analysis could be conducted then depending upon the pollutants of interest. Filter material and structure selection (deep filters, porous filters, glass fibres, silica fibres, pulp, Teflon, porosity….) will depend on the analysis purpose. The filter conditioning is important in order to achieve reproducible results.

Servicing

Servicing information

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