I.Product Name:Surface Roughness Tester(SRT-6210)

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.

Multiple parameter measurement: Ra, Rz, Rq, Rt

Highly sophisticated inductance sensor

Four wave filtering methods : RC, PC-RC,GAUSS and D-P

Built-in lithium ion rechargeable battery and control circuit with high capacity

Small in size, light in weight and easy to use

Can communicate with PC computer for statistics,printing and analyzing by the optional cable and the 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 results and measuring conditions for later use or download to PC.

Metric /Imperial Conversion


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 10%

Fluctuation of display value: Not more than 6%

Sensor:Test Principle: Inductance type,

Radius of Probe Pin: 5um,

Material of Probe Pin: Diamond,

Dynamo-measurement of  Probe: 4mN(0.4gf),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

Resolution : .001um if reading less than 10um Evaluation length : 5 cut-off

0.01um if reading more than 10um but less than 100um

0.1um if reading more than 100um

Power Li-ion battery: rechargeable

Operating conditions:Temp. 0~50centidegree

Humidity <80%

Size:140x57x48 mm  (5.5×2.2×1.9 inch)

Weight:approx 420 g

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