1、P1: SFK/XXX P2: SFK Printer: C Tables 3 and 4 show a typical dataformat. The calculating mode shall account for any changein volume due to the contaminant addition or removal ofsamples. The life of the filter is defined as the duration ofthe test under the specified test conditions: in the example,t
2、he life is 22.2 hours. The filter capacity can be obtainedfrom Table 4 and, in this example, is 37.8 g at the test ter-mination. A graph of the amount of contaminant removedby the filter as a function of the hours of the test willTABLE 3EXAMPLE OF TYPICAL TEST INFORMATION TABLE 2Test Sample Contamin
3、ant Contaminant Blank Net ContaminantTime Volume Weight Concentration Correction Concentration(hr) (L) (g) (g/L) (g/L) (g/L)0 0.050 0.0035 0.070 0.070 04 0.048 0.0098 0.204 0.070 0.1348 0.050 0.0130 0.260 0.070 0.19012 0.048 0.0155 0.323 0.070 0.25316 0.048 0.0189 0.394 0.070 0.32420 0.050 0.0200 0.
4、400 0.070 0.33022.2 0.050 0.0180 0.360 0.070 0.290Test Contaminant: ISO 12103-1 A2 FineTest Oil: RFO-3Filter Rating Class: CTest Conditions:Temperature: 83CSump Volume: 5.45 LContaminant Add Rate: 1.8 g/hr (solids)Flow Rate: Through Filter: 12 L/min; Through Bypass: 4 L/minTermination, Total Differe
5、ntial: 55 kPaAverage Contaminant Delivery Rate: 0.0892 L/hr (see Paragraph 6.5.2)20Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-P1: OSO Printer: C however, it can give a starting pointfor estimati
6、ng whether or not replicate testing is necessaryand the relative degree of confidence that can be placedin differing types of information. The information in Ta-ble 5 was developed from several round-robin filterabilitytests conducted by various labs in the filter industry. Thevariability results ar
7、e expressed in terms of the anticipatedstandard deviation (as a percentage of the test value) fora single test performed in a single laboratory. It should benoted that the standard deviations for single test results ob-tained by testing in different laboratories are about doublethose indicated in Ta
8、ble 5.23Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-P1: OSO Printer: C & CFEFX002-01 FEFX002-Sample September 17, 2009 11:4524Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
