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A portable 4 kV cable fault location system for quickly finding faults on underground low-voltage cables. It combines hipot, TDR, pre-location, and surge “thumping” pinpointing in one unit, and this configuration includes a 50' (15 m) cable, fixed cart, and safety key switch.
A portable 4 kV cable fault location system for quickly finding faults on underground low-voltage cables. It combines hipot, TDR, pre-location, and surge “thumping” pinpointing in one unit, and this configuration includes a 50' (15 m) cable, fixed cart, and safety key switch.
The EZT line can be powered off a internal battery or external AC. The optional wheel kit provides easy mobility. Designed to operate on MV, LV shielded and unshielded cables. The EZT line combines a Hipot, TDR, Pre-location and pinpointing (surge testing) all in one simple to use unit. The EXT line incorporate multiple advanced features that provide both simple operations reduced fault locating time. Multi-shot Technology when performing ARM pre-location increases accuracy and greatly reduces the likelihood of a false return. The E-Tray technology automatically guides the operator through the fault finding process. Starting with Hipot the type of fault is determined, then pre-location is performed followed by pinpointing. The unit typically requires no adjustments and is operated via the unique and easy to follow E-TRAY GUI and a rotary control knob. During this 3 step process the test data will be stored and used in difficult fault locating situations to interpret the result and provide advice to the user of what to do next.
Features
Applications
| Supply | |
| AC supply | AC line: 100 to 230 VAC +/-50/60 Hz |
| Battery | Battery: Internal 24 V, NiMH Battery 5 AH |
| Battery charge | Approx. 30 to 60 min of surge/thumping |
| Battery charger | Internal, 100 to 240 VAC to 24 VDC charger |
| Battery re-charge | Approximately 3 hours |
| Features | |
| Hipot | 4KV |
| Output | 0 to 4 kV to 35 mA DC |
| TDR | On-screen comparison of upto 256 pairs |
| TDR range | Up to 170,000' (52 km) |
| TDR Sampling Rate | 100 MHz |
| TDR resolution | 2.5' at 250'/fs (0.8 m at 80 m/μs) |
| Automatic end of cable and distance to fault indication | Yes |
| Arc reflection | Single shot surge, multishot TDR, 0 to 4kV |
| Surge | 0 to 4 kV at 500 J |
| Impulse sequence | 5 to 10 seconds or single shot |
| Sectionalization | Optional |
| Sheath testing and sheath fault locating | Yes |
| E-tray (step by step customizable fault locating) | Yes |
| Hardware | |
| Display | 7" (17.78 cm) HiBrite TFT Color LCD 1280x800 pixel |
| Memory | 100 traces |
| Interface | USB port |
| Terminations | T9 |
| Safety | |
| Emergency OFF mushroom button | Yes |
| Key-switch interlock, Standard | Yes |
| F-Ohm interlock detection/ indication “safe connections” | Yes |
| interface for remote EMERGENCY OFF box | Yes |
| Environmental | |
| Operating Temperature | -4 to 122°F (-20 to 50°C) |
| Storage temperature | -13 to 149°F (-25 to 65°C) |
| IP Rating | IP53 (with top open) |
| Cables Supplied | |
| HV flexible shielded cable | 50' (15 m) |
| Safety ground cable | 50' (15 m) |
| AC supply lead set | 6' (1.8 m), (US/schuko/UK plug) |
| Termination Kits | |
| North American hot line clamps | Yes |
| Vice grip clamps | Yes |
| Battery clamps | Yes |
| Dimensions (include top-mounted cable pouch) | 14 x 11 x 25" (35.5 x 28 x 64 cm) |
| Weight | 71 lbs (34 kg) |
| Supply | |
| AC supply | AC line: 100 to 230 VAC +/-50/60 Hz |
| Battery | Battery: Internal 24 V, NiMH Battery 5 AH |
| Battery charge | Approx. 30 to 60 min of surge/thumping |
| Battery charger | Internal, 100 to 240 VAC to 24 VDC charger |
| Battery re-charge | Approximately 3 hours |
| Features | |
| Hipot | 4KV |
| Output | 0 to 4 kV to 35 mA DC |
| TDR | On-screen comparison of upto 256 pairs |
| TDR range | Up to 170,000' (52 km) |
| TDR Sampling Rate | 100 MHz |
| TDR resolution | 2.5' at 250'/fs (0.8 m at 80 m/μs) |
| Automatic end of cable and distance to fault indication | Yes |
| Arc reflection | Single shot surge, multishot TDR, 0 to 4kV |
| Surge | 0 to 4 kV at 500 J |
| Impulse sequence | 5 to 10 seconds or single shot |
| Sectionalization | Optional |
| Sheath testing and sheath fault locating | Yes |
| E-tray (step by step customizable fault locating) | Yes |
| Hardware | |
| Display | 7" (17.78 cm) HiBrite TFT Color LCD 1280x800 pixel |
| Memory | 100 traces |
| Interface | USB port |
| Terminations | T9 |
| Safety | |
| Emergency OFF mushroom button | Yes |
| Key-switch interlock, Standard | Yes |
| F-Ohm interlock detection/ indication “safe connections” | Yes |
| interface for remote EMERGENCY OFF box | Yes |
| Environmental | |
| Operating Temperature | -4 to 122°F (-20 to 50°C) |
| Storage temperature | -13 to 149°F (-25 to 65°C) |
| IP Rating | IP53 (with top open) |
| Cables Supplied | |
| HV flexible shielded cable | 50' (15 m) |
| Safety ground cable | 50' (15 m) |
| AC supply lead set | 6' (1.8 m), (US/schuko/UK plug) |
| Termination Kits | |
| North American hot line clamps | Yes |
| Vice grip clamps | Yes |
| Battery clamps | Yes |
| Dimensions (include top-mounted cable pouch) | 14 x 11 x 25" (35.5 x 28 x 64 cm) |
| Weight | 71 lbs (34 kg) |
