Long internal jaw caliper IP54

Long internal jaw caliper IP54 was developed and patented (Pat.US 10184772) by MICROTECH. 

It gives possibility have 5 micron resolution and higher accuracy, then competitors calipers.
MICROTECH also equipped this caliper with Force control module, that gives possibility measure all time with a same Force (8N). 
This micron internal jaws calipers has 150, 200, 300 mm (6, 8, 12 inch) ranges.
It’s not necessary spend extra money for batteries, about Built in rechargeable Li-pol battery.