Leeb hardness tester user's manual all rights reserved © 2010 to maximize the benefits of your new tester, please take some time to read these operating instructions..
Contents ...................................... 1 features and specifications 1 .................................................. 1.1 typical applications 1 ....................................................... 1.2 testing features 1 ............................................ 1.3 technical spec...
Please note: if the measurement error comes within the range of accuracy specification, please do not make calibration easily. 6 maintenance & servicing * after the impact device has been used for 1000--2000 times, please use the nylon brush provided to clean the guide tube and impact body. When cle...
1 features and specifications 1.1 typical applications * die cavity of molds * inspection of bearing and other mass produced parts on a production line * failure analysis of pressure vessel, steam generator and other equipment * inspection of installed machinery, permanent parts of assembled systems...
4.6.2 placement holding the tester between your thumb and index finger, hold the tester against the work piece. Please note: the impact device must be firmly against the surface and the impact direction should be vertical to the testing surface or you may get unsatisfied value. 4.6.3 releasing press...
1 calibration mode 2 measuring value 3 average times set th 4 n measuring value 5 impact type 6 measuring state 7 browsing state 8 average symbol 9 measuring symbol 10 battery indicator 11 hardness scale 12 material 13 direction 14 number of memorized data release buttom load tube guide tube main un...
V a v b impact rebound time v e l o c it ie s 2.2 leeb hardness testing principle an impact body with a spherical test tip made of tungsten carbide is propelled against the sample surface by a spring force and then rebounds back. At a distance of 1mm from the sample surface, the impact and rebound v...
2.4 symbols of materials symbol illustrations 1 steel and cast steel 2 cold work tool steel 3 stainless steel and high temperature-resistant steel 4 cast iron with lamellar graphite (grey cast iron gg) 5 with spheroidal and nodular graphite (ggg) cast iron 6 cast aluminum alloys 7 copper - zinc allo...
