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Pencil Hardness Tester NOVOTEST PH-3363

The instrument is designed to determine the hardness of coatings by pencil leads in compliance with: ASTM D 3363, ECCA T4, EN 13523-4, ISO 15184:2012, JIS K 5600-5-4.



The instrument is widely used for hardness testing of powder and liquid paint coatings. For high accuracy of the results, the lead of pencil should be sharpen under 90 ° angle. The tests begin with the softest pencil leads. If after applying there is no any signs of damage on the tested coating, user will have to repeat the test with one grade harder pencil leads. The MAX hardness value of pencil leads, that leaves no any traces of destruction on the coating, is hardness value of tested coating (for example: 3H, 2H, H, HB, B, 2B, etc.).



The instrument is made of steel, has rectangular shape. There are two castors for movement on the surface of tested object. There is a port through the instrument and thumbscrew for fixation of the pencil at an angle of 45 ° to the tested surface. The design of the device provides a constant load 7,5N (750g) of the pencil lead on the tested coating.

  • Reliability and durability of the design
  • Easy in operation
  • Competitive price
Measurement range 9В – 9Н
Load 7,5N (750g) at 45°
Size of tested area 70*160
Sharpening angle of lead 90°
Dimensions 120x55x50 mm
Weight 1,8 kg
  • Set of pencils 9В – 9Н (20pcs.)
  • Instrument
  • Set of pencils 9В – 9Н (20pcs.)
  • Operating manual
  • Case

Pencil Hardness Tester NOVOTEST PH-3363. Video review