Zehntner ZHS 2090 Instruction Manual Download Page 1

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Zehntner GmbH
Testing Instruments
Gewerbestrasse 4
CH-4450 Sissach
Switzerland
Tel +41 (0)61 953 05 50
Fax +41 (0)61 953 05 51
[email protected]
www.zehntner.com

last update: 12.01.2006

page 1

Instruction manual

Version 3.6 from 12.01.2006

ZSH 2090

Pencil hardness tester

Summary of Contents for ZHS 2090

Page 1: ...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 ...

Page 2: ...data 9 Exclusion of liability The figures and descriptions as well as the technical data correspond to the present operating instructions at the time of printing Changes of any type resulting from technical progress modified design or similar are reserved The operating instructions have been prepared with the greatest care Nevertheless errors cannot be completely excluded The manufacturer cannot b...

Page 3: ...oid damaging or destruction of the apparatus 1 2 Safety notes The ZSH 2090 is exclusively intended for the determination of the scratch hardness Any other application is not in accordance with the regulations For damages resulting thereof the manufacturer is not liable the risk for this is taken by the user alone Avoid any mode of operation that could affect the security working with the ZSH 2090 ...

Page 4: ...e destination take out the device of the packaging and check immediately for any damages from the transport if there are any damages your authorized ZEHNTNER trader or Zehntner GmbH Testing Instruments directly should be informed immediately 2 2 Extent of delivery The following parts are included in the delivery 1 pencil hardness tester 1 set pencils of 17 hardness degrees 6B to 9H 1 sharpener for...

Page 5: ...90 to the paper until a flat circular surface is obtained Repeat this procedure with the pencil after each test By aid of the sharpener for releasing cylindrically the lead the wood can be removed from the pencil and by doing that take care of not damaging the lead Sharpen the pencil carefully as with a normal sharpener The remaining wood can be removed by a fingernail Rub the lead against emery p...

Page 6: ...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 knob page 6 last update 12 01 2006 ...

Page 7: ...ent on the level test surface Hold the instrument by the wheel hubs and push forward at a speed of 5 10 cm s for a distance of at least 7 mm cf arrow Examine the test surface with the naked eye for indentation or scratching Repeat the process down the hardness scale until a pencil is found that will not cut the film to the substrate either metal or a previous coat for a distance of at least 3 mm C...

Page 8: ...for a stroke length of at least 3 mm scratch hardness pencil hardness The hardest pencil that will not rupture or scratch the film Wolff Wilborn hardness The degree of hardness of the softest pencil which damages the surface Please mention in your test report which standard the measurement results refer to 6 Table with the degree of hardness The following degrees of hardness are available 6B 5B 4B...

Page 9: ... 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 C 27 227 Warranty 2 years guarantee ...

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