Scratch Hardness Tester
Product Code : 413
Brand Name : ERICHSEN
“ERICHSEN” Scratch Hardness Tester
Model : 413
All test methods applicable for this instrument are in principle based on the same test procedure: The specimen
is clamped on a turntable (number of revolutions of the standard version is 5 min-1). The test tool is fixed on a load
arm also equipped with an adjustable weight so that the pressure exerted onto the specimen material can be
regulated. The resistance of the specimen against this action is visually evaluated from the score mark (detailed information on the evaluation are given in the Operating Instructions).
Dimensions: (W x L x H) 220 x 450 x 210 mm
Weight (net): approx. 3.8 kg
Number of revolutions: 5 min-1 at 50 Hz or
6 min-1 at 60 Hz
Power supply: 230 V/50-60 Hz or
Specimen size: max. 100 x 100 x 22 mm or 140 ø x 22 mm
The SCRATCH HARDNESS TESTER 413 is supplied with a Manufacturer’s Certificate M in accordance with DIN 55 350-18 that includes among others the following information:
Actual and setting values of rotational speed and test load, product identification, test equipments used with calibration status, date, name of inspector.
For both load ranges (1 N/10 N) the test load is compared with the specific setting value in 10 graduations.