NEN NPR CLC/TS 50131-2-4 : 2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ALARM SYSTEMS - INTRUSION SYSTEMS - PART 2-4: REQUIREMENTS FOR COMBINED PASSIVE INFRARED AND MICROWAVE DETECTORS
18-02-2008
12-01-2013
Provides for security grades 1 to 4, specific or non-specific wired or wire-free combined passive infrared and microwave detectors, and is covered by environmental classes I to III.
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