粗糙度儀可測量多種機加工零件的表面粗糙度，根據選定的測量條件計算出相應的參數，在液晶顯示器上清晰地顯示出全部測量參數。測量工件表面粗糙度時，將傳感器放在工件被測面上，由儀器內部的驅動機構帶動傳感器沿被測表面做等速滑行，傳感器通過內置的銳利觸針感受被測表面粗糙度，此時工件被測表面的粗糙度引起觸針產生位移，該位移使傳感器電感線圈的電感量發生變化，從而在相敏整流器的輸出端產生與

詳細介紹

1.FEATURES

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

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