| Model | ALK-A8 | ALK-A8+ |
| Weight | 1.86kg (without battery), 2.23kg (with battery) | 1.86kg (without battery), 2.26kg (with battery) |
| Motor Number | 4 motors | 6 motors |
| Fusion Splice Duration Time | 7 seconds (typical parameter)/6 seconds (fast mode) | 9 seconds (typical parameter)/7 seconds (fast mode) |
| Fusion Splice 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) |
| Battery | Typical work about 380 times (splicing/heating). 10000mAh lithium battery |
| Electrode Life | ≥5000 times |
| Secondary Screen Function | 1.3-inch OLED screen, serial interface |
| Applicable Fiber Type | SM (Single Mode), MM (Multi Mode), DS (Dispersion Shifted), NZDS (Non-Zero Dispersion Shifted), U1 (Bend Insensitive), BU (Ultra Bend Insensitive), EDF (Erbium-Doped Fiber), (G.654E only supported by 6 motors) |
| Applicable Optical Fiber Core Number | Single core |
| Fiber Identification | Can identify fiber |
| Alignment | Core alignment, cladding alignment, fine alignment |
| Applicable Fiber Diameter | Cladding diameter 80 - 150 μm. Coating layer diameter 100 - 1000 μm |
| Fusion Mode | 9 groups pre-stored, 891 groups user-defined |
| Splicing Method | Arc fusion |
| Fusion Function | Step-by-step fusion (semi-automatic and manual), automatic fusion |
| Return Loss | Better than 60 dB |
| Loss Estimation of Fusion Splice | Exit |
| Tension Test | More than 2.25N |
| Display | 5-inch TFT LCD screen. |
| Optical Fiber Magnification Times | Normal common display ≥220 times. Independent display ≥320times. Double-click maximum magnification ≥800 times. |
| Power Supply | 11.1V lithium battery, 13.5V/5A power adapter |
| Result Storage | 100,000 groups of fusion records storage, 10,000 image storage |
| 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. |
| Storage Environment | Relative humidity 0 - 95% (no condensation). Temperature -40°C - 80°C. Temperature -10°C - 40°C (battery). |
| Corrosion Resistance | Equipment components, parts and materials used meet anti-corrosion requirements and are not eroded by fluid pollution |
| Dual Heating Ovens | Dual heating ovens mode. Main heating oven (standard). Secondary heating oven (optional). |
| Applicable Fusion-Protection Sleeve Diameter | 2mm, 3mm, 4mm, 6mm |
| Applicable Fusion-Protection 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) |
| Automatic Heating | Automatically recognize and heat the optical fiber after closing the cover |
| Night Work Lighting | LED double white lights |
| Optical Power Measurement Range | -70dB~+6dB. |
| Optical Power Deviation | ±5% |
| Optical Power Standard Wavelength | 850, 980, 1300, 1310, 1490, 1550, 1625nm |
| Optical Power Display Resolution | 0.10% |
| VFL Power | 10mW |
| VFL Wavelength | 650nm |
| Video Can Be Placed Inside the Machine | Operation video, electronic instruction manual, etc |
| Dimension（L*W*H） | 169D×148W×159H(mm) |