What You Need to Know About the New Smoke Detector Standards | 2020-10-22 | SDM Magazine
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27 mai 2024 — 感烟火灾探测器法规即将发生重大变更，因为全新UL 268 第7版本标准即将推出，过渡日期定为. 2024年6月30日。这个新版本与之前版本相比发生重大转变，需要提高感烟火灾探测 ...
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DocumentDocumentUL 2687
ULASD
XTRALIS.COM
UL2687 2024630 UL 268 7(ASD)
UL 2687
UL 268
UL2687 (Underwriters Laboratories) (NFPA) UL268 1
2.00
2.00 14.00 12.00
12 %/ft obs
UL 217 10 %/ft obs
Obs (%/ft)
10.00 8.00
UL 217
6.00
UL 217 - 0.5 %/ft obs
4.00
2.00
0 0
1000
2000
3000 (s)
4000
1 - 1
5000
6000
4017 3 2 NFPA
NFPA 63% 3 UL2687
UL 2687
UL2687 250 4 7 ·
·
· 5
UL2687ASD UL2687
UL2687
UL 2687 ASD
UL2686UL26876120 NFPA120ASD7 Xtralis ASD
VEP-1
5%/m10%/m 0.01%/m1.5%/m
VEP
5%/m10%/m 0.01%/m1.5%/m
VES
5%/m10%/m 0.01%/m1.5%/m
VEU
5%/m10%/m 0.01%/m1.5%/m
VLF-500
7%/m10%/m 0.01%/m1.5%/m
VEA
8.0%/m 1.6%/m8.0%/m
(PG) PG20242
49 90 45 85 40 64 50 85 24 47 51 79
XtralisVESDA-EFlairTMCMOS UL2687VESDA-E UL6 VEPVESVEUVLF-500
UL2686
UL2687
VEP-1 VEP VES VEU VLF-500
130m 560m 560m 800m 60m
45 100 100 100 24
130m 470m 520m 610m 60m
22 80 98 96 16
VESDA-EVEUVEPVESUL2687VEAVLF-500 XtralisUL2687
UL 2687
UL7 1.5% (TT)2 3
obs %/ft
9
7.5
6 EOT 5%/ft
4.5
TT
3
1.5
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(s)
30
60
90
120
150
180
2 -
9
7.5
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EOT 5%/ft
4.5
TT
Xtralis
3
VESDA-E
1.5
UL2687
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(s)
Xtralis
0
30
60
90
120
150
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UL 2687 ASD
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UL 2686
UL 2687
UL2687 UL7 UL7
Xtralis2024630 UL6UL7 VESDA-E ASPIREUL7
Xtralis UL2687
XTRALIS
Xtralis
www.xtralis.com
1 IAFC UL UL 217UL 2682019[20221219] 2 [20221219] 3 NFPA2021 [20221219] 4 SDM2020[20221219] 5 SDM2020[20221219]
XTRALIS.COM
37955_02 May 2024