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Megger EZ THUMP-4 Portable Fault Location System - 4kV, 50ft Test Lead

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This version of the Megger EZ-THUMP-4 comes with a 50ft test lead. An alternative version with a 15ft test lead is also available.

The Megger EZ-THUMP-4 makes determining cable faults easy. With a wide range, countless advanced features and portable design, this product is suitable for any electrical diagnostic professional.

This product is most ideally suited for testing the dielectric strength of cable, finding breakdown voltage, performing fault pre-location and general cable fault pinpointing. Two dedicated modes - beginner and expert - make testing as simple or as configured as you need it to be.

The tester also includes a 5.7", full colour LCD screen, integrated 1000 trace memory, DC testing capability to 4kV and an automatic fault location procedure.

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
  • 50ft (4.6m) HV Output and Ground Cables
Accessories related to this product:
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Part CodeEZT4-50T3M

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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