Knowing a little about the construction of the door or window frame will help you to make proper decisions when selecting the right sensor for the job. Consider asking yourself the following questions and noting your observations on a job planning diagram as you survey the building.
1. What type of frame surrounds the door or window?
❑ Wood ❑ Hollow metal ❑ Filled metal
2. What installation method will I require?
❑ Concealed ❑ Exposed
3. If exposed or in conduit, should the sensor be vandal resistant?
❑ Exposed Armored = Vandal resistant ❑ Exposed = Standard