It is common knowledge in industry that 4-wire measurement is the preferred method for resistances under 1 Ω but what makes it so advantageous over 2- and 3- wire measurement? Let’s look at how the technique was invented and why it works. Building Bridges William Tomson, later Lord Kelvin of temperature scale fame, was studying…
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How Accurate is Your Bond Meter? A Glimpse into the World of High-Accuracy Resistance Measurement
Bond meters are an important tool in any aircraft, automobile, or communications technician’s toolbox. Accurate bond measurements are critical to ensure the safe operation of these systems, and technicians look to instruments they can trust. Bond Meters are resistance-measuring instruments that are designed specifically for grounding and bonding applications. In these applications, very small resistance…
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