Chris Fox

Help & Advice, News & Reviews

  1. Exclusive Di-Log Multifunction Tester Promotion

    Exclusive Di-Log Multifunction Tester Promotion

    Di-Log and Test-Meter Group have teamed up to offer a ground-breaking exclusive promotion when purchasing either a new Di-Log DL9110, or Di-Log DL9118 Multifunction Tester.

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  2. CO2 Monitoring: Identifying poorly ventilated areas

    CO2 Monitoring: Identifying Poorly Ventilated Areas

    CO2 Monitoring: Identifying poorly ventilated areas

    Further to the reopening of the UK economy following lockdown, Government ministers want offices, pubs, and restaurants to identify poorly ventilated spaces as part of their risk assessment to continue help prevent further outbreaks of COVID-19. Previous Government advice stressing the importance of face-coverings and social distancing has now been amended so that ventilation is now a ‘priority’ for risk assessments. Developments in the scientific understanding of how the virus spreads - mainly through aerosol transmission -  has prompted these changes. 

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  3. The Importance of CO2 Monitoring

    The Importance of CO2 Monitoring

    Carbon Dioxide monitors have long been a plausible method of monitoring air quality in public environments such as offices, schools, factories, and hospitals to name a few. A recent report by the UK Government’s Scientific Advisory Group for Emergencies (SAGE), suggested that ventilation plays a considerable role in keeping coronavirus at bay indoors, and that ventilation could be tested using CO2 monitors.

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  4. Fever Screening: Thermal Imaging and Non-Contact Instruments

    Fever Screening: Thermal Imaging and Non-Contact Instruments

    On the 11th March 2020, The World Health Organisation (WHO), responsible for assessing the global developments of COVID-19, characterised the outbreak as a pandemic¹. As of 31st March 2020, it is reported that the pandemic has affected more than 179 countries, with more than 823,000 cases confirmed worldwide².

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  5. 18th Edition: New Requirements for Nuisance RCD Tripping

    18th Edition: New Requirements for Nuisance RCD Tripping

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    For many years, Residual Current Devices or RCDs have been commonplace in the vast majority of electrical installations.

    RCDs provide additional protection against electric shock by constantly monitoring the current flowing through Line and Neutral conductors within a circuit, or an individual item of electrical equipment. Under usual circumstances, the current flowing within the two conductors is equal.

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  6. My Megger multifunction tester will not successfully trip RCDs when I come to complete RCD tests. Am I doing something wrong?

    My Megger multifunction tester will not successfully trip RCDs when I come to complete RCD tests. Am I doing something wrong?

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    This is a common question that is answered often by our technical support department. The solution below applies to the Megger MFT1710, 1711, 1720, 1721, 1730, 1731 and 1735.

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  7. A brief history of Ducters and low resistance testing

    A brief history of Ducters and low resistance testing

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    The word DUCTER was registered by Evershed & Vignoles in 1908 – a shortened version of ‘conductor tester’ that has since evolved into an adjective; similar to HOOVERing a floor or MEGGERing an electrical cable.

    Evershed & Vignoles developed the original ‘Ducter’ and were one of the companies that evolved into Megger. Interestingly, Evershed & Vignoles also developed the World’s first high resistance ohmmeter in 1889.

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  8. Introducing the Megger DLRO100 range

    Introducing the Megger DLRO100 range

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    A new addition to an impressive line-up of low resistance ohmmeters, the Megger DLRO100 series is comprised of three instruments; each model available as a mains powered unit or as a battery/mains powered unit.

    The most advanced model is capable of remote operation, asset tagging, communicating wirelessly using Bluetooth and is also DualGround compatible for additional safety. These features coupled with a CAT IV 600VAC/500VDC safety rating and IP54 protection against dust and water ingress position the DLRO100 as a stalwart benchmark for any opposition in the market.

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  9. Seaward Solar PV200 - PV Testing and I-V Curve Analysis

    Seaward Solar PV200 - PV Testing and I-V Curve Analysis

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    Regular inspection and testing of a Solar PV installation not only qualifies that the system remains electrically safe for continued use, but that it operates as efficiently as originally intended.

    The IET guidance note (Code of Practice for Grid Connected Solar Photovoltaic Systems) provides engineers with a more user-friendly approach to installing and maintaining a PV system than that of BS EN 62446; the international standard upon which the guidance note is based.

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  10. Getting To Grips With Megger’s MFT 1701 Range Of Multifunction Testers

    Getting To Grips With Megger’s MFT 1701 Range Of Multifunction Testers

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    April 2016 saw the arrival of a new batch of Megger multifunction testers. The untrained eye won’t spot any aesthetical or ergonomic differences between the existing MFT1700 series and the 2016 units, however the newer models offer additional, valuable testing features at very competitive prices.

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