| Model | NK2800 Smart OTDR Fiber Tester |
| Fiber Type | G.652 single-mode fiber |
| Test Wavelength | 1550nm ± 20nm |
| Maximum Dynamic Range | 20dB |
| Event Dead Zone | 2.5m |
| Attenuation Dead Zone | 10m |
| Test Range Options | 100m, 300m, 500m, 1.25km, 2.5km, 5km, 10km, 20km, 40km, 80km |
| Pulse Widths | 5ns, 10ns, 20ns, 30ns, 50ns, 80ns, 100ns, 200ns, 300ns, 500ns, 800ns, 1μs, 2μs, 3μs, 5μs, 8μs, 10μs, 20μs |
| Distance Accuracy | ±(1m + sampling interval + 0.005% × test distance) |
| Linearity | ±0.05dB/dB |
| Maximum Sampling Points | ≥20,000 |
| Minimum Sampling Resolution | <0.03m |
| Loss Event Dead Zone | 0.01dB |
| Attenuation Event Dead Zone | 0.20dB |
| Distance Resolution | 0.01m |
| Refractive Index Range | 1.00000 ~ 2.00000 |
| Reflectance Accuracy | ±3dB |
| File Format | SOR standard file format |
| Loss Measurement Mode | 4-point / 5-point method |
| Laser Safety Class | Class 1 |
| Optical Connector | SC/PC |
| Optical Power Meter | |
|---|---|
| Wavelength Range | 800nm ~ 1700nm |
| Calibration Wavelengths | 850, 1300, 1310, 1490, 1550, 1625, 1650nm |
| Measurement Range | -70 ~ +10dBm (optional -50 ~ +26dBm) |
| Frequency Identification | CW, 270Hz, 330Hz, 1kHz, 2kHz |
| Resolution | 0.01dB |
| Uncertainty | ±5% |
| Optical Connector | Universal adapter (FC/SC/ST) |
| Visual Fault Locator (VFL) | |
|---|---|
| Wavelength | 650nm ± 20nm |
| Output Power | ≥1mW |
| Working Mode | CW, 1Hz, 2Hz |
| Optical Connector | Universal adapter |
| Stable Light Source | |
|---|---|
| Output Wavelength | Same as OTDR test wavelength |
| Laser Type | Same as OTDR |
| Output Power | >-5dBm |
| Stability | CW, ±0.5dB/15min (after 15min warm-up) |
| Optical Connector | SC/PC |
| Output Modes | CW, 270Hz, 330Hz, 1kHz, 2kHz |
| General Specifications | |
|---|---|
| Display | 3.5-inch full touchscreen, 320×480 color LCD |
| Data Interface | Type-C USB |
| Operating Temperature | -10°C ~ +50°C |
| Storage Temperature | -40°C ~ +70°C |
| Relative Humidity | 0% ~ 95%, non-condensing |
| Weight | <200g (including battery) |
| Dimensions | 126mm × 80mm × 37mm |
| Battery | Built-in 7.3V, 2200mAh lithium battery |
| Battery Life | >6 hours continuous operation, standby >4 hours |
| Power Supply | AC/DC adapter input: 100V~240V, 50/60Hz, 0.6A; output: 5V, 2A |






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