Thursday, 6 September 2012

Shock Sensor

SHOCK SENSOR






1. INTRODUCTION AND OVERVIEW

         Shock and impact sensors are devices that detect sudden or severe impact at a predetermined
         level and indicate whether the level has been exceeded. Shock sensors are a type of
         transducer that responds to shock energy by producing another type of energy signal, usually
         electrical. Shock sensors are essentially seismic detectors which pick up vibrations. Shock
         indicators are employed to check the adverse effect of excess shock on an item being
         monitored. Shock sensors should be sensitive to shock, insensitive to any other property, and
         should not influence the measured property. Shock and impact sensors are commonly used in
         heavy industries.

         Shock and impact sensors are used in many applications. Examples include automobile
         security systems, military applications, and laboratory test equipment. Shock and impact
         sensors are also used in industrial manufacturing equipment.

        The product features include:
                 · Single bit output
                 · Small size makes it easy to conceal
                 · Plastic housing to provide protection for the electronic circuitry
                 · Indicator LED for indication of a shock
                 · Compatible with all types of microcontrollers
                 · High sensitivity to shock and impact



2. PRODUCT SPECIFICATION


  •  Pin Definitions and Ratings

  Pin                       Name                                           Function
  Red                       Vcc                             Connects to Vcc (+5V to + 12V)
  Black                    GND                           Connects to Ground
  Blue                     Output                          Connects to an I/O pin set to INPUT mode (or                                                                                                                                                                                                                                      
                                                                  transistor/MOSFET). This is an NPN output, when sensor
                                                                  detected shock it will short the signal to GND, else the internal
                                                                  NPN transistor is open.








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