Scratch Hardness Tester LINEARTESTER 249
19
BAE 249
Fig. 5
Fig. 6
Fig. 7a
Fig. 7b
Fig. 8
Move the weight of 0.5 N (8) to the right into
the zero position (clicks into place behind).
(Fig.5)
Insert test tip (3), according to the correct
direction of effect, into the corresponding holder
in the counterpoised beam (5) and fix it slightly
with the fastening screw (9).
(Fig.6)
Then set the sliding guide ball (18) into the
scratch depth adjusting groove (16) of the
scratch guide plate (15).
At this the fastening screw (9) must be loosened
again, so that the test tool rests on the test
panel.
(Fig. 7a)
Now tighten the fastening screw (9) finally.
(Fig.6)
Then lift the counterpoised lever (5) for a
moment using the fastening screw (9) and
replace it immediately.
At this the sliding guide ball (18) automatically
jumps from the scratch depths adjusting groove
(16) into the rest position (17) of the guide plate
(15).
(Fig.7b)
The tip of the test tool (3) is now located in a
“pending / resting position” just over the test
panel.
Adjust the position of the taring weight by
turning so that the weight of the test tip (3) is
compensated and the counterpoised lever (5)
shows already a corresponding upward trend
when it is slightly touched.
(Fig. 8)