Watts so confusing?
Most motors are designed to set amount of work, usually rated in either watts or horsepower, which is  746 watts per HP. Watts law states that Watts = Volts x Amps. If a particular motor needs to do 1 horsepower of work at 120 Volts it will draw about 6.22 amps. And yes in an […]
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Does a Motor Draw More or Less at lower Voltage?
Have you ever noticed a blower motor rated for 120V draws about twice the amperage of  the same horsepower motor rated at 240V? This is because motors are rated in Watts or Horsepower and according to Watts law Watts = Volts x Amps. In order to keep the Wattage output the same at 120V, it draws […]
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High Capacity Amperage Measurement
We had a situation a few months back where we needed to monitor amperage on a grocery store panel over a period of time. The trouble was that we needed data-logging capability AND accurate measurement at 600+ amps. Finding an all-in-one solution proved to be quite expensive. Luckily, my friend Jim Bergmann happens to own […]
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