Additives & InstrumentsA member ofMeasure what you see.Hoffman Scratch Hardness TesterManual
253 017 659 EDFIS 0408 Europe
Hoffman ScratchHardness TesterManualCat. No.: 1610BYK-Gardner GmbHLausitzer Str. 8D-82538 GeretsriedGermanyTel. 0-800-gardner (0-800-4273637) +49-
2DescriptionThis instrument consists of an applicator blade The Hoffman Scratch Hardness Tester was developed by the National Paint, Varnish and Lacqu
3General InformationThe Hoffman Scratch Tester consists of a four-wheeled carriage, a balanced beam with a scale of 0-20 arbitrary units and a scratch
4Calibration ProcedureCalibration ProcedurePlace the Hoffman Scratch Tester on a at, level surface with the wheels of the roller carriage contacting
5Calibration Procedure• At this point, a small upward tap on the scale arm should cause it to settle in a higher position; the scratching tool is not
6OperationBefore initial setup, please remove protective lm from the scale arm (balanced beam). In operation, small and/or large riders are attached
7hand on the carriage platform directly over the pair of wheels nearest to the scratching tool, using sufcient downward pressure to lift the counterp
8Maintenance and CareThe scratching tool should be rotated between series of tests to equalize wear; and replaced when the edge becomes dulled. It is
Comments to this Manuals