The power quality primarily defines voltage changes and fluctuations, voltage unbalance and voltage harmonic distortions. The size and nature of reactive power also have a great influence…
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Electrical measurements | Illuminance measurements
Energy-efficient lighting modernisation and measurement requirements
In an era of increasing electricity costs, influenced by, among other things, high inflation, legal conditions and ever higher energy production costs, individual consumers, businesses and local…
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In an era of increasingly expensive fossil fuels and soaring prices of electrical power and heat, finding savings is a crucial matter. Tangible benefits on a macro…
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A well-made electrical wiring systems guarantees reliable power supply for many years, but sometimes a visit from a professional electrician is be necessary. At first glance, when…
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Electrical measurements | Power quality analysis
Reducing electricity bills by analysing network parameters
In these days of energy crisis and dwindling resources of fossil fuels, electricity consumers are increasingly looking for ways to reduce their electricity consumption and lower their…
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Electrical measurements | Illuminance measurements
LED illuminance measurements by using Sonel LXP light meters
No clear requirements have been specified for the measurement of LED light sources in applicable standards. However, it should be noted that the greater the difference between…
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Electrical measurements | Photovoltaics
A new safety standard in DC voltage measurement – Sonel AHV-3 adapter
The developing world and industry are posing new challenges to electricians, for which not only a different approach than before is needed, but also completely new measuring…
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Electrical measurements | Multifunction Meters
Charging stations for electric cars – diagnostics and safety measurements
The rapid increase in the number of electric vehicles on our roads has necessitated an equally rapid development of their charging infrastructure. This is just the beginning…
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The relationship between light intensity and color of light, and the performance of employee is confirmed by the results of scientific research. They show that by increasing…
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Electrical measurements | Illuminance measurements
How to perform measurements of emergency lighting?
The article presents the requirements contained in legal acts and standards for emergency lighting. It also touches on the aspects of performing measurements of emergency lighting intensity…
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