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MN-ISHR-D121-E
OPERATION MANUAL
ISHR-D121
DIGITAL MAGNETIC ROCKWELL
HARDNESS TESTER
Page 1: ...www insize com MN ISHR D121 E OPERATION MANUAL ISHR D121 DIGITAL MAGNETIC ROCKWELL HARDNESS TESTER...
Page 2: ...d period of time unload the major test force F1 and measure the remaining indentation depth h under initial test force F0 Rockwell hardness value is In this equation N a constant related to scales for...
Page 3: ...a multi functional button On status of test press it to see the conversion value on menu setting it could move the arrow down ward on the status of calibration it could decrease values CONV It s a dou...
Page 4: ...idden to disassemble without instruction and authority Notes a Test force should be held until time values disappeared otherwise the screen will display Hold Not Enough b It is better to load the tota...