Measuring the electrical resistance (ohms) of motors, compressors, and other electrical devices in HVAC systems may seem straightforward. But when the measurements of zero (0) or “OL” (overload) come ...
Let's start with DC voltage, one of the simplest and most-used multimeter measurements. The DC voltage measurement is used to determine the difference in electrical potential between two points in a ...
This is our second activity that requires the use of a smartphone or tablet. Please let us know what you think. E-mail [email protected] with feedback about the use of technology in this—and ...
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