Is one brand better/worse than another? Am leaning towards the Stihl, well, because it's a Stihl....
I’ve been very happy with the $14 Harbor Freight model.
If you are testing on a freshly exposed split face, it shouldn't matter, the pins are reading whatever they touchI have the Stihl. Seems to work fine. Make sure you really press the pins in. I've had initial reading go from 18 to 32% because the pins were not in far enough.
It is on a freshly split piece. not sure why it does it. I always check at least two spots. Many times the first indication is low and then it jumps. The second reading generally matches the higher one after the jump.If you are testing on a freshly exposed split face, it shouldn't matter, the pins are reading whatever they touch
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