I was comparing spec sheets for the AH3503 and the SS49E when I ran into notation I have never seen before: a number, followed by 2 dots, followed by another number. 
What does this notation mean? Which one of these sensors is more sensitive?
I was comparing spec sheets for the AH3503 and the SS49E when I ran into notation I have never seen before: a number, followed by 2 dots, followed by another number. 
What does this notation mean? Which one of these sensors is more sensitive?