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Megger EZ-THUMP-4 Portable Fault Location System - 4kV, 15ft Test Lead

£17,322.00 £14,435.00
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This version of the Megger EZ-THUMP-4 comes with a 15ft test lead. An alternative version with a 50ft test lead is also available.

Megger's EZ-THUMP-4 is a compact, lightweight, battery/AC line operated portable cable fault location system.

Suitable for a wide variety of different HV work, the EZ-THUMP-4 can be used to test the dielectric strength of cable (and breakdown voltage), perform fault pre-location, identify/indicated the location of transformers on a loop/radial system and can accurately pinpoint the location of faults.

Suitable for both beginner and advanced users, the EZ-THUMP-4 includes both quick-step and expert modes which will either guide the user through common functions or allow more control over test conditions. It also includes a number of additional features such as an automatic fault locating procedure, automatic end-of cable/fault detection and DC testing up to 4kV.

Megger EZ-THUMP-4 Portable Fault Location System Key Features

  • Quick-step/expert modes - as simple or as complex as you need
  • Automatic fault location procedure
  • Operating of unit via rotary control knob
  • Automatic end-of-cable and fault detection
  • DC testing up to 4kV
  • Key switch interlock
  • Can be powered either by the mains or via internal battery
  • IP54 resistance
  • TDR range of up to 7.6km (25000 feet)
  • 5.7" TFT colour LCD screen
  • Portable for use out in the field
  • 1000 trace memory
  • USB port for connection to PC
  • 15ft HV flexible shielded cable with MC connector and hotline clamp
  • Rechargeable batteries
  • Emergency stop function

What's Included?

  • Megger EZ-THUMP-4 Portable Fault Location System
  • 6ft (1.8m) Mains Supply Lead Set
  • Universal Battery Charger Kit
  • Instruction Manual
  • 15ft (4.6m) HV Output and Ground Cables
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Part CodeEZT4-15T3M

Megger EZ-THUMP Series Technical Specifications

Output 0 - 4kV, 35mA DC (EZ-THUMP4)
0-12kV, 12mA DC (EZ-THUMP12)
TDR Range: 25000 ft (7.6km)
Sampling Rate: 100MHz
Resolution: 2.5ft @ 250 ft/fs
0.8m @ 80m / fs
Arc Reflection 0 - 4kV or 0 - 12kV (model dependent)
Pinpoint Fault Location  
Surge 0 - 4kV @ 500J (EZT4)
0 - 12kV @ 500J (EZT12)
Impulse Sequence 10 seconds
Single shot
Type 5.7" (14.48cm) transflective TFT Colour LCD - 640 x 480 pixels
Trace Number 1000
Port Type USB
Types 15ft (4.6m) HV flexible shielded cable with MC connector and hotline clamp
HV return with hotline clamp
15ft (4.6m) ground/earth cable with hotline clamp
6ft (1.8m) mains supply lead set (US/SCHUKO/UK)
Battery Internal 24V NiMH battery 5AH approx 30 mins or surge/thumping approx 3 hours recharge time
100-240V AC - 24V DC charger with connection lead set (US/SCHUKO/UK)
AC Line 100 - 230V AC ± 50/60Hz
Functions Emergency stop
Key switch interlock
Auto time out
Operating Temperature -4 to 122°F (-20 to +50°C)
Storage Temperature -12 to 160°F (-25 to +70°C)
Ingress Protection  
Rating IP54
Weight 71lbs (32kgs)
Dimensions 14 x 11 x 21" (35.5 x 28 x 53.3cm)
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