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National Supervision and Inspection Center for Explosion Protection and Safety of Instrumentation ( NEPSI )
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TEST ITEMS
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Test items that NEPSI can perform and the corresponding standards are as listed below:
Test Items
Applicable Test Standards
Chinese Standard
IEC Standard
FM Standard
EN Standard
General requirements
GB 3836.1
IEC 60079-0
FM 3810/3600
EN 50014
Flameproof (Ex d)
GB 3836.2
IEC 60079-1
FM 3615
EN 50018
Increased safety (Ex e)
GB 3836.3
IEC 60079-7
EN 50019
Intrinsic safety (Ex ia/ib)
GB 3836.4
IEC 60079-11
FM 3610
EN 50020/39
Pressurized (Ex p)
GB 3836.5
IEC 60079-2
FM 3620
EN 50016
Oil-immersion (Ex o)
GB 3836.6
IEC 60079-6
EN 50015
Sand-filled (Ex q)
GB 3836.7
IEC 60079-5
EN 50017
Non-sparking (Ex n)
GB 3836.8
IEC 60079-15
FM 3611
EN 50021
Encapsulation (Ex m)
GB 3836.9
IEC 60079-18
EN 50028
Hermetically sealed (Ex h)
GB 3836.10
Dust ignition proof (DIP)
GB 12476.1
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