1 SJ-410 OVERVIEW
This section explains the structures and the features of the SJ-410.
1
1.1 Outline of the SJ-410
The Surftest SJ-410 is a shop-floor type surface-roughness and waviness measuring
instrument, which traces the surfaces of various machine parts, calculates their surface
roughness based on roughness standards, and displays the results.
■ SJ-410 roughness measurement process
A pick-up (hereinafter referred to as the “stylus”) attached to the detector unit of the
SJ-410 trace the minute irregularities of the workpiece surface. The vertical stylus
displacement and horizontal movement during the trace is processed and digitally
displayed on the touch panel of the SJ-410.
5. Measurement results and statistical results
can be printed.
3. The electrical signals are subject to
various calculation processes.
2. The up-and-down motion of the stylus tracing the work piece
is converted into electrical signals.
1. The detector’s stylus traces
the work piece surface
(measurement surface).
AC adapter
(The instrument can also
be powered
by the built-in battery.)
Display unit
4. Calculation (measurement) results
are displayed.
Measurement with the SJ-410: connection to related equipment
No. 99MBB765A
1-1
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