NEN EN 50131-2-3 : 2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-3: REQUIREMENTS FOR MICROWAVE DETECTORS
01-01-2022
12-01-2013
Provides for security grades 1 to 4, specific or non-specific wired or wire-free detectors, and uses environmental classes I to IV.
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