견적문의ASHRAE Standard 52.2-2012 |
ASHRAE 52.1 |
EN |
EN779-2012 |
EN1822:2009 |
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Minimum Efficiency Reporting Value |
Composite Average Particle Size Efficiency % in Size Range ㎛ |
Average Arrestance |
Average Dust Spot Efficiency |
Filter Class |
Avg Arrestance of Syn Dust |
Avg Eff at 0.4㎛ |
Min Eff at 0.4㎛ |
Efficiency at MPPS |
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Range E1 |
Range E2 |
Range E3 |
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Test Final DP 250 Pa |
Test Final DP 450 Pa |
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MERV |
0.3-1.0 |
1.0-3.0 |
3.0-10.0 |
% |
% |
|
% |
% |
% |
% |
1 |
n/a |
n/a |
E3<20% |
Avg<65 |
<20 |
G1 |
50≤Am≤65 |
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2 |
n/a |
n/a |
E3<20% |
Avg<65 |
<20 |
|
65≤Am≤80 |
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|
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3 |
n/a |
n/a |
E3<20% |
Avg<70 |
<20 |
G2 |
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4 |
n/a |
n/a |
E3<20% |
Avg<75 |
<20 |
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5 |
n/a |
n/a |
20%≤E3 |
80 |
20 |
G3 |
80≤Am≤90 |
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6 |
n/a |
n/a |
35%≤E3 |
85 |
20-25 |
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7 |
n/a |
n/a |
50%≤E3 |
90 |
25-30 |
G4 |
90≤Am |
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8 |
n/a |
20%≤E2 |
70%≤E3 |
92 |
30-35 |
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9 |
n/a |
35%≤E2 |
75%≤E3 |
95 |
40-45 |
M5 |
|
40≤Em≤60 |
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10 |
n/a |
50%≤E2 |
80%≤E3 |
96 |
50-55 |
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11 |
20%≤E1 |
65%≤E2 |
85%≤E3 |
97 |
60-65 |
M6 |
|
60≤Em≤80 |
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12 |
35%≤E1 |
80%≤E2 |
90%≤E3 |
98 |
70-75 |
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13 |
50%≤E1 |
85%≤E2 |
90%≤E3 |
98 |
80-85 |
F7 |
|
80≤Em≤90 |
35 |
|
14 |
75%≤E1 |
90%≤E2 |
95%≤E3 |
99 |
90-95 |
F8 |
|
90≤Em≤95 |
55 |
|
15 |
85%≤E1 |
90%≤E2 |
95%≤E3 |
99 |
95 |
F9 |
|
95≤Em |
70 |
|
16 | 95%≤E1 | 95%≤E2 | 95%≤E3 | 100 | 99 | E10 |
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| <85 |
N/A | N/A | N/A | N/A | N/A | N/A | E11 |
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| <95 |
| E12 | <99.5 | |||||||||
| H13 | <99.95 | |||||||||
| H14 | <99.995 | |||||||||
| U15 | <99.999 | |||||||||
| U16 | <99.99995 | |||||||||
| U17 | <99.999995 | |||||||||