Megger Archives

Made 2 Measure: R2 Leads

|Date: 27 November, 2018

Made 2 Measure: R2 Leads

You ask: One of my colleagues has been using an R2 lead for years, and he says he finds it very useful. I ...

You ask: One of my colleagues has been using an R2 lead for years, and he says he finds it very useful. I’m not really sure what these leads are used for and whether I should invest in one. Can you he ...

27 November, 2018
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Top Products 2018: Megger MFT1741 Tester

|Date: 19 November, 2018

Top Products 2018: Megger MFT1741 Tester

The Megger MFT1741 features a patent pending algorithm for earth loop impedance testing, this MFT has bee ...

The Megger MFT1741 features a patent pending algorithm for earth loop impedance testing, this MFT has been designed for testing low voltage electrical installations, particularly in locations that suf ...

19 November, 2018
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Made 2 Measure: Loop Testing of RCBO/RCD Circuits

|Date: 10 October, 2018

Made 2 Measure: Loop Testing of RCBO/RCD Circuits

The technical team at Megger answer this month’s reader query. YOU ASKED: I’ve been working in a college ...

The technical team at Megger answer this month’s reader query. YOU ASKED: I’ve been working in a college recently where supplies to the lab benches are protected by RCBOs with a 10ma earth leakage tri ...

10 October, 2018
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Loop Impedance Testing: Have We Seen The End of Uplift?

|Date: 25 July, 2018

Loop Impedance Testing: Have We Seen The End of Uplift?

An uplifting experience is generally considered to be something positive, but not when it comes to loop i ...

An uplifting experience is generally considered to be something positive, but not when it comes to loop impedance testing. But what exactly is uplift, why is it a problem, and what can be done about i ...

25 July, 2018
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Made 2 Measure: Varying Earth Loop Impedance Test Results

|Date: 23 July, 2018

Made 2 Measure: Varying Earth Loop Impedance Test Results

You ask: I’ve noticed that if I repeat an earth loop impedance test several times on the same circuit, th ...

You ask: I’ve noticed that if I repeat an earth loop impedance test several times on the same circuit, the results sometimes vary a lot. Why is this and how do I decide which of the results to record ...

23 July, 2018
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Made 2 Measure: Why Do You Have High Zs Readings?

|Date: 5 July, 2018

Made 2 Measure: Why Do You Have High Zs Readings?

The experts at Megger answer your latest testing query. YOU ASKED: When I was carrying loop impedance tes ...

The experts at Megger answer your latest testing query. YOU ASKED: When I was carrying loop impedance tests on a recent job, I got high Zs readings on RCD protected circuits, even though the ZE and R1 ...

5 July, 2018
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Made 2 Measure: Nuisance Tripping

|Date: 13 March, 2018

Made 2 Measure: Nuisance Tripping

You asked: I’ve been having a lot of trouble recently with nuisance tripping of RCDs and RCBOs. It’s ofte ...

You asked: I’ve been having a lot of trouble recently with nuisance tripping of RCDs and RCBOs. It’s often difficult to trace the source of the problem, especially when it’s intermittent. Do you have ...

13 March, 2018
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How To Purge Your Loop Test Paranoia

|Date: 25 January, 2018

How To Purge Your Loop Test Paranoia

Megger’s Simon Wood explains why the launch of a brand new MFT could spell an end to loop test paranoia. ...

Megger’s Simon Wood explains why the launch of a brand new MFT could spell an end to loop test paranoia. Loop testing creates more paranoia among electricians and produces more calls to our helpline t ...

25 January, 2018
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Megger | When Low is the Way to Go

|Date: 4 August, 2017

Megger | When Low is the Way to Go

Many of the latest instruments for testing electrical installations offer a low voltage insulation test o ...

Many of the latest instruments for testing electrical installations offer a low voltage insulation test option, but when is it appropriate to use a low test voltage? Simon Wood, UK Wholesale & Dis ...

4 August, 2017
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Megger | CableCalc+ App

|Date: 3 August, 2017

Megger | CableCalc+ App

The Megger CableCalc+ App allows contractors to choose cables and calculate voltage drops quickly and eas ...

The Megger CableCalc+ App allows contractors to choose cables and calculate voltage drops quickly and easily for electrical installations up to 25kW. New from Megger is an updated and even more versat ...

3 August, 2017
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