FIELD: alarm signalling systems; protection of cars, doors, windows. SUBSTANCE: transducer has housing 1, power source, contact arranged close to bracket and being movable contact in contact group 2, fixed contact in form of screw held by thread 3 in housing. Screw serves to adjust sensitivity of transducer by changing clearance between contacts. Contact group 2 is installed for connection to power source. Transducer has also stop 6 of flexible mechanical pendulum and toggle switch to switch off power source when setting transducer in travelling position or switching off alarm system. EFFECT: enhanced reliability, enlarged operating capabilities. 1 dwg
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