- Automatic Filter Changers



Sierra’s Automatic Filter Changer is a compact and portable safety and automation tool that should be a part of every emissions test cell. The system allows the engineer to stay out of the test cell during testing so several tests can be done in succession.  The system meets all Federal Register requirements.

Ideal for 47mm, 70mm or 90mm particulate filter applications

  • Greatly improve testing efficiency
  • Fully automate particulate collection
  • Complete several tests in succession
  • Increase safety with less trips into test cell 
  • Plug-and-play with BG3 partial flow sampler
  • Hold up to 22 single filter cartidges

  • Filter sizes- 47mm, 70 mm & 90mm
  • Capacity- 12 x 70mm 16 x 47mm
  • Cassette– single or double 47mm and 70mm
  • Leak tight at 29” Hg
  • Cycle Time– approximately 25 seconds between stations
  • Changer Dimensions–W 18”x D23”x H(adjustable) 20” to 35”
  • Changer Weight– 40 lbs
  • Controller Dimensions–W 19” x D 20” x H 5.5”(3U)
  • Controller weight 15 lbs
  • Minimum expected operations>100,000 cycles
  • Utilities– Clean Compressedair @ 90 psi (610kpa)
  • Power– 120, 200,240VAC50/60 Hz
  • Remote control cable– 25’
  • Meets Federal Register Requirements
  • Built in parallel control computer interface

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