Teknic Euchner Pvt. Ltd manufactures Precision Cylindrical Design Single Hole Fixing Limit Automation Switches. Teknic Euchner Pvt. Ltd is an ISO 9001 certified company. The Precision Cylindrical Design Single Hole Fixing Limit Automation Switches is based on round design with simple, single-hole assembly permits fitment of the controls directly at the scanning points. Precise adjustment is permitted by means of the precision metric thread. The position sensors with inert gas contact [reed contact] can be operated up to a water column pressure of 30 meters.