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SFX 8-1000 Cable Fault Locating System

The SFX 8-1000 is a mobile and economical fault locating system, perfectly suitable for low voltage cables such as control cables, lighting systems or deep-well-pump cables and also in medium voltage cables. With its voltage levels of 2 – 4 – 8 kV the system is perfectly suited for the fault location in these low voltage applications. The available surge energy of 1000 Joule covers the above requirements.
The powerful ARM® (Arc Reflection Method) is used to pre-locate high resistance faults. Conditioning faults - if necessary - is possible by short-term burning in all voltage levels. The SFX8 includes the Teleflex SX control unit cum TDR which offers convenient operator support with online help and one-button-operation. It automatically shows the end of cable and fault location in the ARM®-Mode. Even inexperienced users can easily locate faults with the “Step-by-Step Easy Mode”. The operator is guided through the fault locating process. 1000 Joules of surge energy provide the necessary power for accurately pin-pointing cable faults with the acoustic method. The modular construction, mounted on a trolley permits the use and transport as complete system but also allows the separation and transport in smaller components. 

Key benefits:

  • Small, light and portable
  • Very low voltage levels
  • Complete fault location with DC Testing up to 8 kV
  • Prelocation with ARM and ICE
  • Burning with up to 1.4 A                                  

Product Specification
TDR 20 m…160 km @ v/2 = 80 m/µs
Transienten 20 m…160 km
Pulse width 20 ns…5 µs
Sampling rate up to 400 MHz
Display Touchscreen 
V/2 10… 149.9 m/µs
Modes Symmetricalunsymmetricalreflection measurement
Difference measurement/comparision
All ARM arc Reflection Methods, ARM Slide, Pro Range,
All ICE impulse current decoupling methods
DECAY Travelling wave method
IFL intermittent Fault Location
Arc reflection burning.
Memory 4 GB
interface Ethernet, USB, BNC, CAN (LON optional)
Impedance matching 8 Ω… 500Ω, adjustable
Operating temperature -10ËšC…+ 50ËšC'
Supply NiMh-BATTERY, 110-230
 v; 50/60 Hz, 12 V DC
Dimensions (W x H x D) 362 x 195 x 306 mm
Weight 6 kg
Surge unit 2/4/8 kV
0… 2 kV; 1000 J
0…4 kV; 1000 J
0…8 kV; 1000 J
Surge rate single pulse
Burning  up to 1.4 A
Technical data of system 
Connecting cable 6 m (Standard)
Mains supply 230 V; 50/60 Hz, 2.3 kVA (110 V optional)
Dimensions (W x H x D) 530 x 1390 x 660 mm
Weight approx. 90kg


  • Dc-Testing up to 8 kV
  • Pre Locating
  • Burning (fault conditioning ) upto 8 kV
  • Cable Tracing (optional)
  • Pin-Pointing
  • High burn current upto 1.4A 
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