Quote Originally Posted by D Dubeau View Post
When my Mitutoyo absolute calipers (not Ip67) get doused in coolant which happens almost weekly, I just spray them down with alcohol, and hit them with an air blast. Been doing this for close to 4 years now (since I've been running a CNC) and they work right as rain again. Calipers are 6 years old, and work like they day they were bought.
The "air blast" isn't something I'd recommend.