Key Features: 

• Wavelength options:
  • 850/1300±20nm
  • 1310/1490/1550±20nm
• Output power: ≤ -5dBm
• Power regulation range: 0–6dB
• Power regulation step: 1dB
• Stability: +0.2dB/15min (after 15 minutes of preheating)
• Working modes: CW, 270Hz, 330Hz, 1kHz, 2kHz, ID, TWINS
• Optical connectors: FC/SC
• Display: Segment code screen
• Battery: Rechargeable 1500mAh Li-ion battery
• Battery duration: ≥24 hours
• Automatic shutdown time: 10min / 30min / 60min / 120min
• Operating temperature: -10°C to +50°C
• Storage temperature: -40°C to +70°C
• Relative humidity: 0–95%, non-condensing
• Dimensions: 140mm × 32mm × 73mm
• Weight: approx. 235g

RJ45 Cable Testing Functions:

• • Cable sequence test range: ≤300m
  • Cable tracking (optional): ≤300m
  • Tracking mode: Digital
  • Live/line-to-line support: Yes

Product Features:

• • Adjustable output power (up to 6dB in 1dB steps)
  • Supports CW and multiple modulation outputs
  • RJ45 cable sequence and tracking functions
  • Wavelength customization supported
  • Compact and portable design
  • Integrated SM/MM and multi-wavelength support
  • Built-in flashlight for low-light environments
  • High environmental adaptability

Applications:

• • Optical fiber construction and maintenance
  • Optical communication and sensing
  • Optical CATV systems
  • Testing insertion loss and splitting ratio of passive devices (e.g., splitters, circulators, couplers, switches)

Package Contents:

• • NK281 Host
  • Instruction manual
  • Warranty card
  • Type-C data cable
  • 5V power adapter
  • SC connector
  • Protective instrument case

Data Sheet Click To Open.