ASHRAE 52.2-2007. 2010 Round Robin 2011 Round Robin.

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Presentation transcript:

ASHRAE

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 Channel E1E2E3 Reporting Value Particle Size Range.3 to 11 to 33 to 10 Filter 1 37%65%84%MERV 8 Filter 2 36%65%85%MERV 11

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

Fig. 8 ASHRAE 1287 RP

0% to 85% RH

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