Looking for a used roughness tester but not sure what to check before buying? Here’s a simple guide to help you choose the right instrument in 2025 — whether you’re inspecting machined parts, castings, or precision surfaces.
1. Contact or Optical?
First, decide between contact roughness testers (stylus-based) and non-contact optical systems. Contact instruments are ideal for industrial applications and cost less, while optical solutions offer higher resolution and no surface damage.
2. Check the Ra, Rz, and Rq Ranges
Different industries require different roughness parameters. Make sure the tester supports your specific roughness range and calculation standards (ISO, JIS, ASME, etc.).
3. Evaluate Software Compatibility
If you plan to connect your roughness tester to a PC or integrate it into your quality workflow, check what software comes with it. Is it still supported? Can you export data easily?
4. Request Calibration and Certification
Before buying any used metrology tool, always ask for recent calibration documents or a valid ISO 17025 certificate. If not available, factor in the cost of recalibration.
5. Consider Portability
Need to measure on-site or on large parts? Choose a portable roughness tester with built-in display and battery operation. For lab use, a bench-top version with motorized stages might be more suitable.
Find Verified Used Roughness Testers
Looking for deals? On MetrologyAdvisor.com you can:
- Post a request and let vendors contact you
- Browse used roughness testers from verified sellers
- Compare options and request calibration info
Whether you’re
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