Zehntner gmbh testing instruments gewerbestrasse 4 ch-4450 sissach switzerland tel +41 (0)61 953 05 50 fax +41 (0)61 953 05 51 zehntner@zehntner.Com www.Zehntner.Com last update: 12.01.2006 page 1 instruction manual version 3.6 from 12.01.2006 zsh 2090 pencil hardness tester.
Introduction zsh 2090 instruction manual version 3.6 page 2 last update: 12.01.2006 index exclusion of liability............................................................................................. 2 1. Safety notes................................................................................
Version 3.6 zsh 2090 instruction manual general last update: 12.01.2006 page 3 1. Safety notes 1.1 dangers attention! This note is included in this instruction manual wherever it is warned about dangers which will arise to life and limb of persons if the apparatus is handled improperly. Observe thes...
General zsh 2090 instruction manual version 3.6 page 4 last update: 12.01.2006 2. Delivery of device 2.1 damages during carriage during carriage the zsh 2090 is to be handled with the usual care. To ensure carriage without damages the device is to be transported in the original packaging and under n...
Version 3.6 zsh 2090 instruction manual operate 3. Preliminaries 3.1 pencils • remove the wood on a length of approximately 5-6 mm from the pencil, make sure not to damage the lead. • rub the lead against the emery paper (no.400) maintaining an exact angle of 90° to the paper until a flat circular s...
Operate zsh 2090 instruction manual version 3.6 3.2 inserting the pencils insert the pencils in the hardness tester as follows: • place the instrument with the wheels upwards onto its front end. • insert the pencil in this way, that the lead touches the surface. • fasten the pencil with the clamping...
Version 3.6 zsh 2090 instruction manual operate 4. Test procedures test has to be done under laboratory conditions. In the different standards, the test is carried out differently. Here, the procedure is described when starting with a hard pencil or lead. Please note that the procedure might have to...
Operate zsh 2090 instruction manual version 3.6 5. Determining the degree of hardness record each end point for gouge and scratch hardness. With some films, the two end points will be identical. Gouge hardness: the degree of hardness of the hardest pencil that will leave the film uncut for a stroke ...
Version 3.6 zsh 2090 instruction manual technical data last update: 12.01.2006 page 9 7. Technical data material: steel dimensions: 110 mm x 80 mm x 58 mm (lxwxh) weight: 2,1 kg net 2,7 kg incl. Accessories standards: iso 15184, en 13523-4, astm d 3363, nen 5350, sis 184187, snv 37113, ecca-t 4, mil...
