ART220 Digital Surface Roughness Tester
Handheld surface roughness tester measuring 14 parameters (Ra, Rz, Rq, and more) with 2.0″ IPS color display, Bluetooth data sharing, and 500-set storage. Includes standard probe; deep groove, small hole, and curved surface probes available. Indication error ≤±10%. Ships with manufacturer’s inspection certificate.
Price: start from $750/set.
The ART220 is a compact, handheld surface roughness tester designed for quick and precise measurements in production sites, laboratories, and metrology rooms. It determines 14 different roughness parameters and displays roughness values, profiles, and waveform curves directly on its 2.0″ IPS color screen. The tester connects to a mobile app via Bluetooth for real-time data sharing and report printing, and stores up to 500 measurement results for later review. It comes with a manufacturer’s inspection certificate.
Widely used across: automotive manufacturing, machining, metal processing, mold & casting, and printing & packaging.
Technical Specification
- Parameters: Ra, Rq, Rz, Rt, Rp, Rv, RS, RSm, Rsk, Rku, RPc, Ry, Rmax, R3z
- Measuring principle: Inductive
- Range: 320µm
- Indication accuracy: 0.001µm
- Indication error: ≤±10%
- Measuring force: ≤4mN
- Stylus: radius 5µm, material – diamond
- Repeatability: ≤5%
- Max. drive travel: ≤17.5mm
- Display: 2.0″ IPS color screen
- Data storage: 500 sets
- Interface: USB, Bluetooth
- Power supply: Built-in Li-ion battery / adapter
Included Accessories
- Main unit: 1pc
- Standard probe: 1pc
- Probe cover: 1pc
- USB cable & plug: 1pc
- Test sample (calibration block): 1pc
- Manual: 1pc
- Carry case: 1pc
Optional Accessories
- Small hole probe
- Curved surface probe
- Deep groove probe
- Extension rod
- Connector rod (adapter)
- Cast iron small platform
- Granite platform
- Portable printer
| Probe | Application |
|---|---|
| Standard Probe | For holes >6mm, depth ≤22mm |
| Deep Groove Probe | For grooves >1mm, depth <13mm |
| Small Hole Probe | For holes >2mm, depth ≤9mm |
| Curved Surface Probe | For curved/arc surfaces, radius >3mm |
| Extension Rod | Extends reach up to 50mm |
| Connector Rod (Adapter) | For flexible connection / mechanism motion measurement |







