| Scale name | Accuracy | Scale pitch | Thermal expansion
coefficient at 20 °C |
Max length of scale | Readhead compatilibity |
| RSLM/RSLE/RSLC | ±1.5 µm up to 1 m, ±2.25 µm up to 2 m, ±3 µm up to 3 m, ±4 µm up to 5 m | 20 µm | 10.1 ±0.2 µm/m/°C | 5 m | VIONiC, VIONiCplus, TONiC, TONiC UHV, SiGNUM |
| RSLR | As above | 20 µm | As above | 5 m | RGH20, RGH20F |
| RSLA | As above | 30 µm | As above | 5 m | RESOLUTE, RESOLUTE UHV, RESOLUTE FS |
Stainless steel spar
