Scratch Hardness Tester LINEARTESTER Model 249
The scratch hardness tester can be used to determine the resistance of surfaces to scratches, and in many other ways including scratch/scribe tests, double stroke abrasion tests, crock meter tests, methyl ethyl ketone (MEK) tests solvent resistance tests in general or wipe tests. This model is a tabletop unit that runs with electromotive drive which 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.
|Instrument||Model||Test Principle||Scratching force||Test Speed||Length of cycle||Specimen Dimension|
|Scratch Hardness Tester||249||The test panel is fixed by means of clamping rails on to a mobile. A reciprocating beam, held on two pillars, is bedded in a free-moving manner and carries the test tool as well as a weight.||0.5 N – 20 N||25/35/200 mm/s (fixed) and (10 – 200) mm/s programmable||60/110 mm (with/without guide plate)||150 mm x 210 mm|