Electrical current doesn’t always reach its intended destination. Even with perfectly intact and functional insulation, current will be lost along the way. In the real world, perfectly intact and functional insulation isn’t always a given. Insulation wears down from heat, cold, vibration, dirt, and similar forces. Routine testing keeps you in-the-know on whether or not …
You can’t find a good substitute for a solid LCR meter. With the most basic unit, an LCR meter will measure inductance, capacitance, and resistance. But depending on your selection, LCR meters can provide detailed information about impedance, dissipation factor, quality factor, phase angle, or even equivalent series resistance. It all depends on what you …
There are essentially two reasons to use a stroboscope. The first is because you want to check the rotational speed of an object. For measuring RPM, you always want the simplest tool for the job. If you’re capable of affixing a piece of reflective tape to the equipment that you want to measure, then the …
Whether you’re an amateur collector, a designer, or a professional jeweler, it’s essential than you can accurately size-up gemstones and precious metals. If you simply take someone’s word for carat size, you’re relying on trust. You’re trusting in the accuracy of their equipment, and more often than not, you’re relying on the honesty of their …
Whether at home or in a business, backflow is serious trouble for any plumbing system. Your family and your customers rely on your water to be safe to drink. If contaminated water is getting sucked back into the plumbing, that’s a serious problem. This can happen due to a variety of causes, from excessive back-pressure …