40151音频设备产品的警报器蜂鸣器警笛规格书PDF中文资料

特性 Features

■Threaded barrel, M18 x 1

■Chrome-plated brass

■DC 2-wire, nom. 8.2 VDC

■Output acc. to DIN EN 60947-5-6 (NAMUR)

■Cable connection

■ATEX category II 1 G, Ex zone 0

■ATEX category II 1 D, Ex zone 20

■SIL2 (Low Demand Mode) acc. to IEC 61508,

PL c acc. to ISO 13849-1 with HFT0

■SIL3 (All Demand Mode) acc. to IEC 61508,

PL e acc. to ISO 13849-1 with redundant

configuration HFT1

Functional principle

Inductive sensors detect metal objects

contactless and wear-free. For this, they use a

high-frequency electromagnetic AC field that

interacts with the target. Inductive sensors

generate this field via an RLC circuit with a

ferrite coil.