| Model | ALK-A3 | ALK-A3+ |
| Motor Number | 4 motors | 6 motors |
| Average Splicing Loss | 0.02dB(SM),0.01dB(MM),0.05dB(DS), 0.05dB(NZDS) | 0.02dB(SM),0.01dB(MM),0.04dB(DS), 0.04dB(NZDS) |
| Fusion Splice Duration Time | 9 sec (typical parameter) /7 seconds (fast mode) | 13 seconds (typical parameter) /9 seconds (fast mode) |
| Weight | 1.51kg (without battery), 1.91kg (with battery) | 1.54kg (without battery), 1.94kg (with battery) |
| Applicable Fiber Type | SM (single mode), MM (multimode), DS (dispersion shifted), NZDS (non-zero dispersion shifted), UI (bend insensitive), BUI (ultra bend insensitive), EDF (erbium-doped fiber) |
| Applicable Fiber Core Number | Single core |
| Applicable Fiber Diameter | Cladding diameter 80 - 150μm, coating diameter 100 - 1000μm |
| Splicing Mode | Pre-stored 8 sets, user-defined 792 sets |
| Startup Time | 3 seconds |
| Echo Loss | Better than 60dB |
| Splicing Loss Evaluation | Exist |
| Tension Test | More than 2N |
| Display | Adopts 5-inch color LCD screen and supports optional language operation interface |
| Optical Fiber Magnification Times | X/Y: 200 times, X or Y: 400 times |
| Power Supply | 11.1V lithium battery, 13.5V/5A power adapter |
| Battery | Typical work 280 times (splicing/heating), single charge 3H, rechargeable for 500 times, 6800mAh |
| Splicing Results Storage | 10,000 sets of splicing records storage and 20 image storage |
| Electrode Lifespan | ≥5000 times |
| Data Interface | USB2.0 |
| Operating Environment | Altitude 0 - 5000m, relative humidity 0 - 95% (no condensation), temperature -20°C - 55°C, maximum wind speed 15m/s/s |
| Storage Environment | Relative humidity 0 - 95% (no condensation), temperature -40°C - 80°C |
| Corrosion Resistance | Equipment components, parts and materials used meet anti-corrosion requirements and are not eroded by fluid pollution.The surface coating of the host meets the anti-corrosion requirements. |
| Host Appearance | The surface of all painted (plastic) parts is smooth and flat, with consistent color, free from scratches, blemishes,sagging, detachment, and damage. The surface of electroplated parts has a metallic luster, free from cracks, spots, burrs, and defects. |
| Size | 166D×144W×158H(mm) |
| Alignment Mode | Core alignment, Cladding alignment, Fine alignment |
| Applicable Sleeve Diameter | 2mm,3mm,4mm,6mm |
| Applicable Sleeve Length | 60mm,50mm,45mm,40mm,25mm(FP-03) |
| Heating Time | 2mm fusion-protection sleeve (adjustable from 10 - 15 seconds), 4mm fusion-protection sleeve (adjustable from 15 - 20 seconds), 6mm fusion-protection sleeve (adjustable from 15 - 20 seconds) |
| Heating Temperature | 10 - 260°C (customizable) |
| Automatic Heating | Automatically recognize and heat the optical fiber after closing the cover |
| Night Work Lighting | LED double white lights |