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This instrument is compatible with four standards of
site to measure surface roughness of various
machinery-processed parts, calculate corresponding
and clearly display all measurement parameters.
When measuring the roughness of a surface, the
sensor is placed on the surfacethen uniformly
slides along the surface by driving the mechanism
by the sharp built-in probe. This roughness causes
displacement of the probe which results in change of
inductive amount of induction coils so as to generate
analogue signal, which is in proportion to the surface
roughness at output end of phase-sensitive rectifier.
The exclusive DSP processescalculatesthen
outputs the measurement results on LCD.
＊ Multiple parameter measurement: Ra, Rz, Rq, Rt
＊ Highly sophisticated inductance sensor
＊ Four wave filtering methods : RC, PC-RC,
GAUSSD-P
＊ Built-in lithium ion rechargeable batterycontrol
circuit with high capacity
＊ Small in size, light in weighteasy to use
＊ Can communicate with PC computer for statistics,
printinganalyzing by the optional cablethe
software for RS232C interface.
＊Manual or automatic shut down. The tester can be
switched off by pressing the Power key at any time.
On the other hand, the tester will power itself off
about 5 minutes after the last key operation.
＊The tester can memorize 7 groups of measurement
resultsmeasuring conditions for later use or
download to PC.
＊Metric /Imperial Conversion
2．SPECIFICATIONS
Display： 4 digits, 10 mm LCD, with blue backlight
Parameters: Ra, Rz, Rq, Rt
Measuring Range
Ra, Rq: 0.005-16.00um/0.020-629.9uinch
Rz,Rt: 0.020-160.0um/0.078-6299uinch
Accuracy: Not more than ?0%
Fluctuation of display value: Not more than 6%
Sensor :
Test Principle: Inductance type
Radius of Probe Pin: 5祄
Material of Probe Pin: Diamond
Dynamo-measurement of Probe: 4mN0.4gf
Probe Angle: 90?
Vertical Radius of Guiding Head: 48mm
Maximum driving stroke: 17.5mm/0.7inch
Cutoff length l: 0.25mm / 0.8mm / 2.5mm optional
Evaluation length: 5l
Driving speed:
sampling length = 0.25mm Vt=0.135mm/s
sampling length = 0.8mm Vt=0.5mm/s
sampling length = 2.5mm Vt=1mm/s
returning Vt=1mm/s
Profile digital filter
Filtered Profile: RC
Filtered Profile: PC-RC
Filtered Profile: Gauss
Non-Filtered Profile: D-P
Resolution :
Evaluation length : 5 cut-off
Power Li-ion battery: rechargeable
Operating conditions: Temp. 0~50℃
Humidity <80%
Size：140x57x48 mm 5.5x2.2x1.9 inch
Weight: about 420 g
