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Test & Measurement Instruments – Sonel South East Asia

Category: Electrical measurements

Charging stations for electric cars – diagnostics and safety measurements

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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Take care of good lighting in the workplace

Take care of good lighting in the workplace

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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How to perform measurements of emergency lighting?

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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Properly selected meter guarantees correct measurements of resistance to earth

Properly selected meter guarantees correct measurements of resistance to earth

The technical method used widely for measuring earth resistance focuses on the measurement methodology, as well as on skills of the technician and his/her knowledge of the…

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Illuminance measurements

Illuminance measurements

Our perceptive capability and psychophysical condition depend to a very large extent on the surrounding environment. Light stimuli are decisive factors in the psychological comfort. Prolonged exposure…

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Softstart

Softstart

Power quality in industrial facilities is threatened by the commonly occurring starts of high power drives. This causes frequent and deep voltage dips causing the effect of…

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Safety in photovoltaics with Sonel MPI-540-PV

Safety in photovoltaics with Sonel MPI-540-PV

The very rapid and dynamic development of photovoltaic installations that has been taking place in the world in recent years is impressive. It is largely due to…

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Unjustified tripping of overcurrent protection

Unjustified tripping of overcurrent protection

The functioning of energy distribution systems ensuring both reliability and durability in normal and emergency states, requires the use of protective elements. Proper selection of parameters and…

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Inrush current! Consequences, measurements, analysis

Inrush current! Consequences, measurements, analysis

Unexpected protection failures! Inactivation of devices! Voltage dips! Flickers! What are inrush currents? Each device powered by electricity experiences a moment when it begins to draw power…

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