Ok, I had another look at it and now I have it in a holder and I do indeed measure just over 0.5v. There are four pins, -~~+, measuring - ~ = 0.06v, -~=0.5v, ~~ = 0.5v, ~+ = 0.06v, +- = 0.5v and +~ = 0.5v
That was a difficult and confusing way of writing it.. All points measure 0.5v except the...