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Particulate Filter System

Particulate Filter System



The innovative filter holder uses the industry standard 47 mm filter cartridge along with custom inlet and outlet cones to achieve required filter face velocities for a wide range of flow rates. The system is controlled by a microprocessor, which directs the sample through one of three filters, or through a bypass using solenoid valves.


  • 1065 Compliant: The SEMTECH PFS meets the US EPA 1065 compliance requirements for in-use testing.
  • Direct Sample Path: Diluted sample is routed directly from the MPS to the PFS through a gas interconnect, which joins the bottom outlet of the MPS module to the top inlet of the PFS module.
  • Quick Release Filter Holder Assembly: Easily change both filters and filter holders with this quick-release design to access all three filters at once.
  • Graphical Panel Display: A full color, graphic touch screen displays live data, and enables system setup and basic functions.
  • Power Supply Monitoring: Power can be either 12 VDC, 110 VAC or 240 VAC, with both current and voltage monitoring.
  • Rugged Construction: The unit can be used off-road and in other harsh environments.
  • Shock Resistance: The mechanical design has been optimized for resistance to shock and vibration, ensuring data in the most rugged of in-use environments.
  • Design Details: Over a decade of experience in in-use emissions testing has gone into the design details of the SEMTECH ECOSTAR system, including:
    • EMI protection, including gaskets, filters and capped connectors
    • Stress relief for pneumatic connections
    • Channels for cable management
    • Standard Swagelok™ bulkhead connectors
    • Rugged Deutsch connectors for power and auxiliary connectors
    • Handles that lock to other SEMTECH ECOSTAR modules for stable system integration


Sample Flow Rate

5 - 10 SLPM

Warm Up Time

60 minutes at 20°C ambient

Filter Element Diameter

47 mm

Holder material (PM Contact Surface)

Stainless steel

Power Requirement

12 VDC; 110 - 220 VAC

Storage temperature

Dry -10°C to 60°C

Operating environment

-10°C to 45°C ambient



Dimensions (WxDxH)

  1. 17.2 x 12.2 x 7.0 in


  1. 46.3 lbs

Electromagnetic Interference & Susceptibility

CE Standards: IEC 61326: 2002-2