- Processing Talk
- Compare
- S2 20W vs Ray2 15W
Acmer S2 20W vs Longer Ray2 15W
What S2 20W does better (4) and where Ray2 15W wins (2) — every spec side by side.
Why is S2 20W better than Ray2 15W?
- Work area (surface)900 cm² vs 143 cm²6.3×
- Laser output power20 W vs 15 W+33%
- Work area depth (Y)300 mm vs 110 mm2.7×
- Work area width (X)300 mm vs 130 mm2.3×
Why is Ray2 15W better than S2 20W?
- Enclosed (fully covered)No · S2 20W: Yes
- Max engraving / travel speed167 mm/s vs 200 mm/s+20%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | No |
| Laser power | ||
| Laser output power | 20 W | 15 W |
| Work area | ||
| Work area | 300 × 300 mm | 130 × 110 mm |
| Work area width (X) | 300 mm | 130 mm |
| Work area depth (Y) | 300 mm | 110 mm |
| Work area (surface) | 900 cm² | 143 cm² |
| Speed & cutting | ||
| Max engraving / travel speed | 167 mm/s | 200 mm/s |
| Max cutting depth – wood / plywood (one pass) | — | 10 mm |
| Precision | ||
| Laser spot size | 0.06 mm | 0.06 mm |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | No | No |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | — |
| Connectivity & software | ||
| Compatible software | LightBurn | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 490 mm | — |
| Depth | 500 mm | — |
| Height | 195 mm | — |
