Auto level feature; DS 400 Series auto level is a geodetic surveying instrument used for level measurement with general accuracy conforming to national standard of ClassIIor III. It can also be used for building engineering measurement and the mounting of large machinery. By use of the automatic compensating technique the operation rate and accuracy can be raised greatly. 1. Exclusive closed magnetic field, magnetically-dampened compensator. 2. Compensator lock protects instrument during transport or storage; The lock can also be used as handy compensator checking tool. 3. Top-mounted optical peep-sight for quick reference.
