Need advice again

stanman

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Hey fellas i got a call from my buddy tonight he is having a problem with his new setup he mounted the pir inside with a small hole and the fresnal lens is flat acrooss the hole .he only gets it to activate out to 5 feet and wants to know why any thoughts ? i think this is the place for help.thanks Stan
 

dharter

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An interesting experiment is take a laser pointer and point it at an ms20 from different angles.  Watch its beam as it crossess the IR sensor ont he ms20.  Then do the same for the sensor that is mounted flat.
 

mike

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The distance between the sensor and the fresnal is important check your distances to see if there ok. The correct distance is in the instructions off the site.
 


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