5
Maintenance
Tester should NOT be stocked in carry case for a long time.
The bottom of adapter and iron seat should keep dry and clean,
resistance of rust. Paint a little grease on the surface of adapter and
iron seat if not operating for a long time.
Do not forerake the tester, in case of damage to the screen.
Pull out the battery from box in case of contaminating the tester by its
weeping if it is predicted not to use for some time.
It could be stocked outdoors in long time.
Do not use water or detergent to clean it.
Adapter is restricted to disassemble, except special adapters needed.
Other parts are forbidden 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 total test force once, without any pause.
c. In releasing test force, "Go On" will display on screen when test force
arrives at 0.0kg. The indenter should be upward until hardness values
display.
d. Please change another measuring point when overload.
Calibration
Enter calibration mode and test 1st point and get the value, then there
will be a symbol “?” flash 6 times.
1
Now test 2nd point after the
third point.
symbol “?” flash 6 times, then make the
2
The screen will display the average value of this three measurement,
you can press the “STAT” and “CONV” buttons to adjust the value, at
last press “DEL” to finish the calibration.
3
