This vibration detector is is designed for protection against forced entry by a hammer, saw, crowbar, etc. through walls, ceilings, windows, safes, cabinets, etc. For use in closed-circuit alarm systems, the detector will initiate an alarm when a vibration of considerable force strikes the protected surface. A built-in tamper switch is independently wired from the vibration detector for enhanced security. 

For use in closed-circuit alarm systems 
Pure silver contacts with gold plating to ensure reliable and long-term operation 
Ideal for protecting glass windows, showcases, solid walls, ceilings, safes, cabinets, motorcycles, skylights, etc. 
Small size for discreet installation 
Built-in tamper switch provides enhanced security 
Adjustable contact pressure for different surfaces 
Detects a vibration/shock on protected surface and activates an alarm

• Circuit type: N.C., momentarily open when activated
• Contact pressure: Adjustable from 1 to 50 grams but recommended setting between 5 and 25 grams only. Supplied with pressure of approx. 6 grams
• Break time: Approx. 45 ms max. (at 6-gram pressure)
• Estimated life: Over 100,000 cycles
• Contact: Silver with gold plating
• Case: ABS resin
• Dimensions: 60x21x15mm
• Weight: 20 g