| This article describes how easy it can be to use a current transformer to make precise measurements of alternating currents. We use a wide v...
| This article describes how easy it can be to use a current transformer to make precise measurements of alternating currents. We use a wide v...
| To calculate current we normally use a shunt to turn it into a voltage and measure the latter instead. But if we wish to measure the current...
| Time-dependent voltage measurements are easy to take, with just a test probe and an oscilloscope. These days signals from DC up to a few ten...
| The new HLSR series of current transducers by LEM provide a cost-effective and technically superior alternative to resistive shunt/optocoupl...
| A characteristic property of DC motors is that they can also act as generators, due to the complementary nature of Faraday’s and Lenz’s laws...
| It’s always a bit difficult to measure the current in the positive lead of a power supply, such as a battery charger. Fortunately, special I...
| Conductivity in the sense it is used in this article is the ability of a substance such as water to conduct electric current. It is exp...
| Measurements in digital circuits fall into two categories: (1) voltage, current and resistance; and (2) data. The first category presents...
| Following the discussion in our previous issue on the measurement of voltage, this month's instalment deals with the measurement of curren...