| Model | NK4200 Mini OTDR Optical Network Tester |
| Fiber Type | G.652 Single-mode fiber |
| Module Wavelengths & Dynamic Range | F1: 1550 nm ± 20 nm, 24 dB F2: 1610 nm ± 20 nm, 24 dB F3: 1625 nm ± 20 nm, 24 dB F4: 1650 nm ± 20 nm, 24 dB D1 (No live fiber test): 1330 / 1550 nm, 26 / 24 dB |
| Event Dead Zone | 1.5 meters |
| Linearity | ±0.05 dB/dB |
| Attenuation Dead Zone | 8 meters |
| Distance Measurement Accuracy | ±(1 m + sampling interval + 0.005% × test distance) |
| Test Range Options | 100 m / 300 m / 500 m / 1.25 km / 2.5 km / 5 km / 10 km / 20 km / 40 km / 80 km / 125 km |
| Test Pulse Widths | 5 ns / 10 ns / 20 ns / 30 ns / 50 ns / 80 ns / 100 ns / 200 ns / 300 ns / 500 ns / 800 ns / 1 µs / 2 µs / 3 µs / 5 µs / 8 µs / 10 µs / 20 µs |
| Maximum Sampling Points | ≥ 20,000 |
| Loss Resolution | 0.01 dB |
| Maximum Sampling Resolution | ≤ 0.03 meters |
| Refractive Index Range | 1.00000 to 2.00000 |
| Power Supply | AC/DC Adapter: Input 100 V ~ 240 V, 50/60 Hz, 0.6 A; Output 5 V, 2 A Polymer Lithium Battery: 3.7 V, 5000 mAh |
| Optical Interface | SC/UPC or SC/APC |
| Live Fiber Testing Capability | – 1550 nm: Supports testing fibers with signals ≤ +5 dBm at 1310 / 1490 / 1577 nm – 1610 nm: Supports signals ≤ 0 dBm at 1310 / 1490 / 1550 nm; 1577 nm ≤ -20 dBm – 1625 nm: Supports signals ≤ 0 dBm at 1310 / 1490 / 1550 / 1577 nm – 1650 nm: Supports signals ≤ +5 dBm at 1310 / 1490 / 1550 / 1577 nm |
| Battery Life | Standby time: 10 hours Continuous working time: approx. 1 hour |
NK4200 Mini OTDR Optical Network Tester Multi-Wavelength Live Fiber Testing & 1.5m Event Dead Zone
- Compact and portable design for easy field use.
- Multi-wavelength live fiber testing available (including 1490 nm and 1577 nm).
- High accuracy (1.5 meter event dead zone, 26dB dynamic range).
- 4.3 inch high definition capacitive touch screen with pinch zoom function for easy operation.
- Long battery life (up to ten hours in standby and one hour in testing).
- One key automated tests and automated test result analysis.
- Batch processing of SOR files, and allow remote software upgrades.
- Strong power input with internal protection against greater than 24 volts.
- Wide range of tests options (up to 125 km).
- High sampling resolution, greater than twenty thousand sampling points per test for fiber examination.
- Intuitive interface with large font and strong backlight for sunlight visibility.
- Compatible using SC/UPC or SC/APC optical connectors.
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