TR220 handheld roughness tester is a brand new product of our company. It is always used in the work site, scientific labs and factory metrology rooms. Handheld roughness tester TR220 can test the surface roughness of multiple of machining components.
TR220 handheld roughness tester is a brand new product of our company. It is always used in the work site, scientific labs and factory metrology rooms. Handheld roughness tester TR220 can test the surface roughness of multiple of machining components.
| Model No. | TR220 |
| Roughness parameters | Ra, Rz, Ry, Rq, Rt, Rp, Rmax, Rv, R3z, RS, RSm, RSk, Rmr, Rpc, Rk, Rpk, Rvk, Mr1, Mr2 |
| Assessed profiles | Roughness profile (R) |
| Primary profile (P) | |
| Measuring system | Metric, imperial |
| Display resolution | 0.001 μ m |
| Data output | RS232 |
| Pickup measuring range | ±20μ m, ±40μ m, ±80μ m |
| Cutoff length (L) | 0.25mm / 0.8mm / 2.5mm/Auto |
| Evaluation length | 1~5L (selectable) |
| Tracing length | ( 1~5)L + 2 L (selectable) |
| Digital filter | RC, PC-RC, Gauss, D-P |
| Max. driving length | 17.5mm/0.71inch |
| Min. driving length | 1.3mm/0.051inch |
| Pick-up | Standard pickup TS100, inductive, Diamond stylus radius 5μm, angle of stylus 90° |
| Accuracy | ≤±10% |
| Repeapility | <6% |
| Power | Li-ion battery rechargeable |
| Dimensions(mm) | 141×56 ×48 |
| Weight(g) | 440 |