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The NF8108 comes with a main tester and remote identifiers. It is especially designed to check and test network cable, such as open, short and reserve.
NF8108 can also test cable length accurately which make it becomes an essential tool in communication field.


  • Measure network cable length and determine the distance of open and short circuit.
  • Check wiring error in Cat 5E/6, coaxial cable, such as open circuit, short circuit, jumper wire and reverse connection.
  • Portable unit with long battery life (wait-case 50 hours).
  • Automatically time-delay shut off.
  • Self-checking and automatically compensate any change in battery capacity or ambient temperature.


Indictor LCD 53×25 mm
Tone frequency 225Hz
Max. distance of cable map 300m
Max. working current Less than 70mA
Compatible connectors RJ45
Faults LCD display LCD display 
Low battery display LCD (6.5V)
Voltage protection AC 60V/ DC 42V
Battery Type DC 4×1.5V
Dimension (LxWxD) 184x84x46mm
Remote unit
Compatible connectors RJ45
Dimension (LxWxD) 78x33x22mm
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