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<p>This part of ISO/TS 11155 specifies a particulate filtration test, including the critical characteristics of equipment,</p>
<p>test procedure and report format, for the consistent assessment of filter elements in a laboratory test rig with</p>
<p>particle sizes larger than 0,3 μm. It is applicable to filters for removing particulate matter from external or</p>
<p>recirculated air used for ventilating motor vehicle passenger compartments or cabins.</p>
<p>The test specified in this part of ISO/TS 11155 enables an assessment of filter elements for pressure loss,</p>
<p>fractional filtration efficiency and accelerated particulate holding capability against standardized laboratory</p>
<p>particulate challenges. Because the test methods exclude the full range of possible particulate challenges and</p>
<p>environmental effects, the relative ranking of filters may change in service.</p>
<p>NOTE 1 Absolute comparability is only possible with filter elements of the same shape and size as well as the same position</p>
<p>in the test duct.</p>
<p>NOTE 2 Subject to agreement between supplier and the customer, the test procedure allows for the calculation of</p>
<p>gravimetric efficiency as a single parameter for quality control purposes. For gravimetric efficiency tests refer to ISO 5011.</p>
Reģistrācijas numurs (WIID)
34308
Darbības sfēra
<p>This part of ISO/TS 11155 specifies a particulate filtration test, including the critical characteristics of equipment,</p>
<p>test procedure and report format, for the consistent assessment of filter elements in a laboratory test rig with</p>
<p>particle sizes larger than 0,3 μm. It is applicable to filters for removing particulate matter from external or</p>
<p>recirculated air used for ventilating motor vehicle passenger compartments or cabins.</p>
<p>The test specified in this part of ISO/TS 11155 enables an assessment of filter elements for pressure loss,</p>
<p>fractional filtration efficiency and accelerated particulate holding capability against standardized laboratory</p>
<p>particulate challenges. Because the test methods exclude the full range of possible particulate challenges and</p>
<p>environmental effects, the relative ranking of filters may change in service.</p>
<p>NOTE 1 Absolute comparability is only possible with filter elements of the same shape and size as well as the same position</p>
<p>in the test duct.</p>
<p>NOTE 2 Subject to agreement between supplier and the customer, the test procedure allows for the calculation of</p>
<p>gravimetric efficiency as a single parameter for quality control purposes. For gravimetric efficiency tests refer to ISO 5011.</p>