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Product Details

Description

This instrument is compatible with four standards of site to measure surface roughness of various machinery-processed parts, calculate corresponding and display all measurement parameters.

When measuring the roughness of a surface, the sensor is placed on the surface and then 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 processes and calculates and then outputs the measurement results on LCD.

Specification

 Display  4 digits, 10 mm LCD, with blue backlight
 Parameters  Ra, Rz
 Measuring Range  Ra: 0.025-16.00um

Rz: 0.020-160.0um

 Accuracy  < 10%
 Fluctuation of display value  < 6%
 Sensor
 Radius of Probe Pin: 5um
 Diameter of sensor head: 6mm
 Material of Probe Pin  Diamond
 Dynamo-measurement of Probe  16mN(1.6gf)
 Probe Angle  90°
 Vertical Radius of Guiding Head   48mm
 Maximum driving stroke  17.5mm/0.7inch
 Cut off length (l)  0.25mm / 0.8mm / 2.5mm
 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.
 Battery  4 x 1.5V AAA (UM-4) battery

 

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