The optimized LINEARTESTER 249 scratch hardness tester can be used to determine the resistance of surfaces to scratches, and in many other ways: for scratch/scribe tests, double stroke abrasion tests, Crock meter tests, MEK tests, solvent resistance tests in general or wipe tests. The LINEARTESTER 249 is a tabletop unit. The electromotive drive ensures smooth carriage movements. The lowering or lifting of the test tool for the scratch/scribe tests is carried out automatically. There are many different testing tools available.