FIELD: security equipment, in particular, for museum articles of arbitrary weight and size. SUBSTANCE: carrying frame of device is designed as flexible member which is mounted for location of detector independently from weight of secured object. Said detector alters its state in case of alternation in condition of flexible member. Alarm message is generated when state of flexible member is out of tolerance range. EFFECT: independence with respect to weight of secured objects, increased reliability and probability of output of adequate alarm signal. 4 cl, 4 dwg
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