Yeah...I wouldn't count on this to protect or provide early detection for any application. Better to install a listed system using a licensed contractor.
Umm...many questions here. What type of sensor are you installing? IR? UV? Video? Why are you installing this in your office? Did you install it yourself? How did you connect it to your fire alarm panel?
As a 49ers fan...don't you put that evil on me Ricky Bobby! Unfortunately, I think Kyle Shanahan is too in love with Cousins, so it's definitely a possibility.