Review on Mitutoyo 192 630 10 Digimatic Resolution Accuracy by Justin Castro

Great sensor, durable and easy to use, purchased 12" and 24" versions, accurate with user selectable resolution (0.0005 or 0.0002). Would give 5 stars except for the battery life. The sensors use a single 1.5V button cell and depending on your use you'll need to swap out and stock up on batteries frequently. In short, a great sensor, but it's a shame they didn't opt for a larger battery format.