Speciation Samplers

Met One’s Speciation Samplers are designed to comply with and exceed EPA Speciation requirements. Two models provide a choice for compliance monitoring: SASS, a 5 channel sampling system; and SUPER SASS, an 8 channel, multiple event, sampling system. The SASS conforms to original EPA requirements and SUPER SASS adds benefits suggested by state and local authorities. Both models use concepts pioneered by Met One Instruments, such as the contamination free Canister, solar radiation shield, and modular design. SASS and SUPER SASS not only comply to EPA specifications, they exceed the specifications; as proven in EPA and California Air Resources Board field studies.


  • Portable integrated ambient particulate sampling system
  • Inlet for PM2.5 at 6.7 liter/minute sample rate
  • Solar shield maintains cassettes to less than <5°C over ambient temperature
  • Canister provides data integrity – contamination proof
  • New multi-cell denuder and multiple filter medias


  • This unit offers all the features of the SASS plus it has sequential programing to allow multiple day operation. SUPER SASS will sample up to eight days depending on the number of sample channels used per day. SUPER SASS comes standard with four independent volumetric flow controllers, one for each sampler group.
  • Up to 8 Channel Operation
  • One to Eight day Sampling, Sequential
  • Automatic Volumetric Flow Controllers
  • Each Channel may be operated independently
  • Advanced Field Audit Screens
  • Source Apportionment studies
  • Ambient Monitoring
  • Environmental Monitoring
  • Climate Research

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