market@chinacoalintl.com
1. RA Digital Portable Surface Roughness Tester can inspect the roughness of metal and non-metallic surface
2. surface roughness measurement equipment with pocket-size & economically price
3. Large measuring range suitable for most materials
4. Features external calibration at keyboard
5.Optimized electric circuit design with transducer structure-design,high integrate power, driver and display.
6. Select freely with Ra,Rz, Rq, Rt parameters.
7. RA Digital Portable Surface Roughness Tester could test ex-circle, flat surface, conical surface and also test groove with length and width larger than 80*30mm.
|
Testing parameters(µm ) |
Ra, Rz |
|
Stroke length(mm) |
6 |
|
Sample length(mm) |
0.25 ,0.80 ,2.50 |
|
Evaluation length(mm) |
1.25 ,4.0 ,5.0 |
|
Measuring range(µm ) |
Ra: 0.05 ~ 10.0 Rz: 0.1 ~ 50 |
|
Error |
±10% |
|
Variability |
<12% |
|
Contacting pin round diameter |
10 µm±1 µm |
|
Battery |
3.7V Li |
|
Size |
106 mm×70 mm×24 mm |
|
Weight |
200g |
|
Stylus static force |
≤ 0.016N |
|
Force measuring rate of change |
≤ 800N/m |
|
Temperature |
-20℃～60℃ |
|
Relative humidity |
< 90% |
Your Name 
Email or market@chinacoalintl.com
Tel/Wechat/Whatsapp or +8615376502802
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Enquiry
© Shandong China Coal Group. © 2017
Address: No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
sales@chinacoalintl.com
Executive Editor: Zhang Wen / Editor: Linda Zhang
