Defelsko Positector SPG series surface roughness Tester, that is, surface profile measuring instrument, is divided into two types: advanced type and standard type, this SPG3 surface roughness Tester is:The advanced version of the Positector SPG series is not only high-resolutioncoloredLCD screen, but also able to store 100,000 measurement data, and can:displayReal-time graphics and picture prompts, it is a high-end digital display surface roughness Tester.The Positector SPG3 surface roughness Tester has a measuring range of:0~500 μm, the stylus angle is 60 degrees.






1) Positector host has wide compatibility and can beCompatible with all Positector 6000, 200, DPM, UTG, RTR, and SPG probes.
2) HaveBuilt-in temperature compensation ensures accurate measurements
3)The measurement speed is fast, with more than 50 readings per minute
4)Contains glass calibration zero plate and metal gasket
5) Comply with national and international standards, such as ASTM D4417 Method B and SSPC-PA17
6)Alumina wear surface and tungsten carbide stylus tip for long life and continuous accuracy – field replaceable
7) One-handed operation, navigational menu interface
8) The shell has a high level of protection and can be preventedSolvents, acids, oils, water and dust – weatherability
9) It can be connected to Positector software for data management, etc
| Model | SPG | SPG S | SPG CS |
![]() | ![]() | ![]() | |
| Standard model | SPG1 | SPG S1 | SPG CS1 |
| Premium model | SPG3 | SPG S3 | SPG CS3 |
| probe | PRBSPG | PRBSPGS | PRBSPGCS |
| apply | Sandblasted steel | Textured paint | |
| Measuring range | 0~500 μm (0~20 mils) | 0~1500 μm (0~60 mils) | |
| precision | ± (5 μm+5%) ± (0.2mil+5%) | ||
| Stylus end angle | 60 degrees | 60 degrees | |
| Stylus end radius | 50μm (2mils) | 500μm (20mils) | |