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Earth Testers (38 Products)

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  1. Chauvin Arnoux CA6470N Earth Resistivity Tester
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    Free UK Delivery*
    Chauvin Arnoux CA6470N Earth & Resistivity Tester
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    £1,330.80 £1,109.00
    • Rechargeable battery can be charged through the mains or in a car
    • Measures earth resistance, frequency, resistivity and coupling
    • USB port to send data to your computer
    2218 Reward Points
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    SKU: P01126506
  2. Megger DET4TC2 CLAMPS Earth Tester
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    Megger DET4TC2 Earth Tester + Clamps
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    £1,494.00 £1,245.00
    • Free calibration certificate with your device, as well as leads, stakes and a hard wearing carry case 
    • ICLAMP and VCLAMP provided
    • ART and stakeless testing possible
    2490 Reward Points
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    SKU: 1000-365
  3. Megger DET4TCR2 + CLAMPS Earth Tester
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    Lead Time: 1-2 Weeks
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    Megger DET4TCR2 Earth Tester + Clamps
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    £1,596.00 £1,330.00
    • Includes DET4TCR2 + Clamps
    • Perform ART and true stakeless testing
    • Wide testing range
    2660 Reward Points
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    SKU: 1000-366
  4. Fluke 1625 Advanced GEO Earth Ground Tester
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    Fluke 1625-2 GEO Earth Ground Tester
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    £1,678.80 £1,399.00
    • Four measuring methods included
    • Features new Stakeless Testing
    • Advanced functions included
    2798 Reward Points
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    SKU: FLUKE 1625
  5. Fluke 1623-2 GEO Earth Ground Tester - Kit
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    3 in Stock
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    Fluke 1623-2 GEO Earth Ground Tester Kit
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    £1,787.94 £1,489.95
    • Bundle pack includes clamps, reels, stakes and more
    • Easy testing using four methods
    • Suitable for outdoor use
    2978 Reward Points
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    SKU: FLUKE1623KIT
  6. Megger DET4TCR2 Earth Tester, Clamps & ETK50 Earth Cables & Spikes Kit
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    Megger DET4TCR2 Earth Tester, Clamps & ETK50 Earth Cables & Spikes Kit
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    £1,899.60 £1,583.00
    • Conduct earth tests in outdoor environments
    • Included ICLAMP and VCLAMP enable advanced rod technique and true stake-less testing
    • Perform 2-pole, 3-pole and 4-pole tests and measure leakage current and ground noise voltage
    3166 Reward Points
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    SKU: MEG-DET4TCR2-EARTH-KIT
  7. Chauvin Arnoux CA6471 Earth Resistivity Tester
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    Chauvin Arnoux CA6471 Earth & Resistivity Tester
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    £1,980.00 £1,650.00
    • Range of accessories, including carrying case and mains charger
    • Measures earth resistance, coupling, continuity and resistivity
    • Backlit LCD screen
    3300 Reward Points
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    SKU: P01126505
  8. Fluke 1625 Kit Advanced GEO Earth Ground Tester Kit
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    2 in Stock
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    Fluke 1625-2 GEO Earth Ground Tester Kit
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    £2,518.80 £2,099.00
    • Automatic Frequency Control
    • New Stakeless testing method
    • Adjustable voltage for versatile measuring
    4198 Reward Points
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    SKU: FLUKE1625KIT
  9. Fluke 1623-2 GEO Earth Ground Tester Kit & Split-Core Transformer
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    Fluke 1623-2 GEO Earth Ground Tester Kit & Split-Core Transformer
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    £3,204.00 £2,670.00
    • Perform fast, accurate and easy earth ground measurements
    • Use the split-core transformer to measure ground loop resistance around or adjacent to power pylons
    • The Fluke 1623 Kit includes a tester, clamps, earth ground stakes and cable reels
    5340 Reward Points
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    SKU: FLK1623-2-EI-162BN-KIT
  10. Fluke 1625-2 GEO Earth Ground Tester Kit & Split-Core Transformer
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    Fluke 1625-2 GEO Earth Ground Tester Kit & Split-Core Transformer
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    £3,766.80 £3,139.00
    • Perform quick, simple and precise earth ground measurements
    • The Fluke 1625-2 includes an integrated memory capable of storing up to 1500 records
    • Use the split-core transformer to measure ground loop resistance around or adjacent to power pylons
    6278 Reward Points
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    SKU: FLK1625-2-EI-162BN-KIT
  11. Megger DET2/3 Earth Tester
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    Megger DET2/3 Earth Tester with a Choice of Accessories
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    As low as £4,014.00 £3,345.00
    • Measure earth electrode resistance and soil resistivity
    • Optimised for testing complex earth systems such as communications earth systems
    • Available in three models that differ in regards to their included accessories
    8028 Reward Points
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    SKU: 1008-9XX
  12. Chauvin Arnoux CA6472 Earth Resistivity Tester
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    Chauvin Arnoux CA6472 Earth & Resistivity Tester
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    £4,077.60 £3,398.00
    • Capable of five different earth measurements
    • Colour-coded ports for easy and efficiency
    • Rechargeable 
    6796 Reward Points
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    SKU: P01126504
  13. Metrel MI3290GP Earth Analyser - GP
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    Made to Order
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    Metrel MI3290GP Earth Analyser - GP
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    £4,304.40 £3,587.00
    • Includes licence key for Grounding of Pylons functionality of Earth Analyser
    • Support for single or automated measurements
    • A wide variety of measuring clamps
    7174 Reward Points
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    SKU: MI3290GP
  14. Metrel MI3290GL Earth Analyser - GL
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    Metrel MI3290GL Earth Analyser - GL
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    £4,526.40 £3,772.00
    • Includes licence key for Grounding and Lightning functionality of Earth Analyser
    • 3.4’’ colour LCD display with a touchscreen
    • Carry out Earth measurements using different methods 
    7544 Reward Points
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    SKU: MI3290GL
  15. Metrel MI3290GF Earth Analyser - GF
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    Metrel MI3290GF Earth Analyser - GF
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    £5,880.00 £4,900.00
    • Licence key for Grounding and voltage Funnel functionality of Earth Analyser
    • 3.4’’ colour LCD display with a touchscreen
    • Mains or battery powered
    9800 Reward Points
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    SKU: MI3290GF
  16. Metrel MI3290GX1 Earth Analyser - GX1 Set (Earth Kit)Back  Reset  Delete  Duplicate  Save  Save and Continue Edit
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    Made to Order
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    Metrel MI3290GX1 Earth Analyser - GX1 Set
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    £5,904.00 £4,920.00
    • Battery or mains powered
    • Includes GX1 Set - additional accessories
    • Full colour touch screen functionality 
    9840 Reward Points
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    SKU: MI3290GX1
  17. Metrel MI3290GX4 Earth Analyser - GX4 (Earthing Systems)Back  Reset  Delete  Duplicate  Save  Save and Continue Edit
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    Metrel MI3290GX4 Earth Analyser - GX4 Set
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    £7,526.40 £6,272.00
    • Perform all types of earth measurement
    • 3.4’’ colour LCD display with touchscreen
    • High degree of protection
    12544 Reward Points
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    SKU: MI3290GX4
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About Earth Testers

Grounding is an absolutely essential part of an electrical installation or system. Proper grounding ensures that the electrical system is safe for use at all times and that electricity flows to earth, rather than through a nearby conductor such as a human.

Grounding systems are actually different to conventional installations - whereas a normal electrical installation will have a ground wire built in to direct the flow of current, grounding systems only have current flow when there is a problem. Grounding systems create a path for current to flow, but during a problem, current can range from a couple of mA of unwanted static charge to induced voltages or fault currents of several thousand amps. Current flowing to ground through a grounding system is not constrained to follow any given path to earth as current would in a normal circuit.

Since this is the case, specialist earth testing equipment is required to ensure that earth grounding systems have overall resistance up to a maximum of 25Ω, which is the standard defined to ensure the overall safety of grounding installation. Although this is the overall standard of resistance, several devices experience problems with ground resistance of this level, and specialist earth equipment can be used with sensitivty electronic equipment to carry out proper earth grounding as necessary.

Earth testing equipment allows for different kinds of earth grounding to be installed correctly. No matter whether you're carrying out earth grounding in buildings, on equipment or electronics, there's a piece of equipment in store that can do that.

Proper grounding requires extensive testing procedures before, during and after the installation of the grounding. Earth testers and other earth testing equipment are used regularly in this field to carry out testing procedures on grounding, allowing users to test such things as voltage measurements (system voltage and static electricity voltages), current measurements (system currents and leakage currents) and resistance measurements (ground system resistance, soil resistance and soil PH measurements).

Earth Tester Types

There are many different types of earth tester, suitable for a wide array of different earthing applications. There's clamp-on ammeters, clamp-on leakage current meters, electrostatic locator meters, multimeters, three-terminal ground resistance meters, four-terminal ground resistance meters and soil pH meters. There's also a selection of accessories available for these different products that expand the overall capabilities of the tester. Example accessories used with earth testers included earth spikes, cable reels and attachable optional clamps.

The following equipment types are suitable for the following grounding applications:

Test or Measurement Test Instrument
Measuring circuit, system or ground voltages Standard voltmeter
Measuring circuit or system current Standard clamp-on ammeter
Measuring ground leakage current Clamp-on leakage current meter
Measuring static electrical charges Electrostatic discharge meter

Measuring earth ground system (ground rod/grid, ground connections

etc.) resistance without connecting the earth ground to the building grounding system

Clamp-on ground resistance meter

Measuring earth ground system (ground rod/grid, ground connections

etc.) resistance before connecting the earth ground to the building grounding system
3-terminal ground resistance meter
Measuring the earth's resistance (resistivity) 4-terminal ground resistance meter
Measuring soil pH pH meter

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