| General Information | |
| Category | Surface Roughness Tester |
| Model | TIME®3221 |
| Manufacturer (OEM) | Beijing High Time Technology Co., Ltd. |
| Features | ▪ Separated design with compact driver unit for easy and convenient operation ▪ Multiple measurement parameters including Ra, Rp, Rv, Rt, Rz, Rq, Rsk, Rku, Rc, RPc, RSm, Rmr(c), tp, Rmr, Rpm, Rz1max, RzJIS, Rmax, Htp, Rδc, R△q, R△a, Pa, Pp, Pv, Pt, Pz, Pq, Psk, Pku, Pc, PSm, Pmr(c), Pmr, Pz1max, PzJIS, Pδc, P△q, Rk, Rpk, Rvk, Mr1, Mr2, A1, A2 ▪ Touchscreen TFT LCD displaying key parameters and graphs clearly ▪ High-accuracy inductive pickup ▪ Filtering methods: 2RC, Gauss ▪ Compliant with ISO 1997, ANSI, and JIS 2001 standards ▪ Supports connection to printer for printing parameters and graphs ▪ RS232 and USB interfaces for expanded connectivity ▪ Automatic power-off function |
| Technical Specification | |
| Test Principle | Inductance type |
| Measurement Range | 400 µm (±200 µm); 50 µm (±25 µm) |
| Stylus Tip Radius | 5 µm / 2 µm (optional) |
| Stylus Tip Material | Diamond |
| Measuring Force | 4 mN / 0.75 mN |
| Stylus Tip Angle | 90° / 60° |
| Radius of Skid Curvature (mm) | 45 |
| Max. Drive Range | 19 mm / 0.748 inch |
| Traversing Speed | Measuring: 0.08 mm (0.25 mm/s); 0.25 mm (0.25 mm/s); 0.8 mm (0.5 mm/s); 2.5 mm (1 mm/s); Return: 1 mm/s |
| Accuracy | ≤ ±10% |
| Repeatability | ≤ 6% |
| Cut-off Length (mm) | 0.08 / 0.25 / 0.8 / 2.5 (selectable) |
| Evaluation Length | 1–5 L (selectable) |
| Measuring Range & Resolution | Auto: 0.001 µm / 0.008 µm; ±50 µm: 0.001 µm; ±200 µm: 0.008 µm |
| Power Supply | Built-in Li battery |
| Power Adapter | Input: 100–240 V AC, 50/60 Hz; Output: 9 V, 3 A |
| Operating Conditions | Temperature: 0–40 °C; Humidity: < 90% RH |
| Dimensions (mm) | 155.4 × 75 × 53 |
| Weight (g) | 580 |
| Standard Delivery | |
| Main Unit | 1 |
| Standard Pickup (TIMES201) | 1 |
| Roughness Specimen (Ra) | 1 |
| Power Adapter | 1 |
| Connection Cable | 1 |
| Driver Unit | 1 |
| Magnetic Base | 1 |
| TIME Certificate | 1 |
| Warranty Card | 1 |
| Instruction Manual | 1 |




