2
Manual Surface Roughness Tester 4700
General information
Limit Surface Roughness Tester is small, lightweight and easy to use and operate.
Probe is of diamond inductance type. Movement of probe by driven mechanism and with
adjustable driving stroke. Memory for 7 measurements. Turns automatic off 5 minutes after latest
key operation or by manual off. The instrument is compatible with standards ISO, DIN, ANSI and
JIS.
Specification
Parameter
Ra, Rz, Rq, Rt
Range
Ra Rq
µm
0,005 – 16
Rz Rt
µm
0,02 – 160
Accuracy
±
10
%
Profile digital filter
Gaussian, RC, PC-RC
Probe radius
µm
5
Probe force
mN
4
Max driving stroke
mm
17,5
Cut off length
mm
0,25 - 0,8 – 2,5
Adjustable leg
mm
0 – 23
Dimension probe LxBxH
mm
185x56x47
Dimension instrument LxBxH
mm
149x67x29
Weight
g
485
Start.
Push ON/OFF button. Manual off push ON/OFF button again.
The instrument restores setting from last measurement.
Setting.
Select cutoff length. See fig 5. Press CUTOFF button for select.
Select Traversing length. Press RANGE button. See fig 6. Select L1, L2, L5 with
▲▼buttons. Confirm by press RANGE button.
Select filter. RC, PC-RC, GAUSS, D-P. See fig 6. Press DEL/MENU button for 3
seconds until FILT shows on the display. Select with ▲▼buttons. Confirm by press
DEL/MENU button.
Select metric or imperial. Press DEL/MENU button for 8 seconds until UNIT shows
on the display. Select with ▲▼buttons, um for metric or uin for imperial.
Select parameter Ra, Rz, Rq, Rt. Se fig. 7. Press RaR button.
Ra.
Average deviation of profile within sampling length.
Rz.
Difference between the average of 5 max peaks and average of 5 max valleys.
Rq.
Root mean square of profile deviation.
Rt.
Difference between max peak and max valley.
English
