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ASHRAE 52.2-2007

ASHRAE 52.2-2007. 2010 Round Robin. 2011 Round Robin. Issues under Review by Task Groups. Current MERV boundaries Humidity Range OPC particle counter specifications Air density calculation Shedding IPA vapor conditioning Test variability. Reported Values.

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ASHRAE 52.2-2007

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  1. ASHRAE 52.2-2007

  2. 2010 Round Robin

  3. 2011 Round Robin

  4. Issues under Review by Task Groups • Current MERV boundaries • Humidity Range • OPC particle counter specifications • Air density calculation • Shedding • IPA vapor conditioning • Test variability

  5. Reported Values

  6. Issues under Review by Task Groups • Current MERV boundaries • Humidity Range • OPC particle counter specifications • Air density calculation • Shedding • IPA vapor conditioning • Test variability

  7. Fig. 8 ASHRAE 1287 RP

  8. KCL @ 0% to 85% RH

  9. Other Potential Issues • Test dust • Specifications for particle generator • Radioactive versus corona discharge in neutralization of airstream • Initial resistance calibration

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