Ok, but what was the deal with the low­er right hand cor­ner at the VERY end?<br> Was this on pur­pose?

This is a an­oth­er clip of the emf me­ter re­spond­ing to a ques­tion . on a in­ves­ti­ga­tion when i was with Strange hap­pen­ings . there was no pow­er sources in this area which was the base­ment . this start­ed hap­pen­ing af­ter about 30min .