Ohmmeters

Blog Ohmmeters

The Story of 4-Wire Measurement

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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Ultra-Portable 710A Milli-Ohmmeter Offers a New Solution for Electrical Grounding + Bonding Tests

Introducing TEGAM's ultra-portable 710A milli-ohmmeter for testing aircraft, battery electric vehicles, electronic components and electrical interconnects. 1 μΩ-100 Ω: Fast, Accurate and Durable. TEGAM announces a radically new milli-ohmmeter for grounding and bonding applications that is nothing short of amazing in its performance and simplicity. The first things that often come to mind when you…
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Milli-Ohmmeter Measurements with TEGAM’s New 710A Bond Meter!

The 710A Bond Meter is first and foremost an excellent milli-ohmmeter. To produce measurements that you can trust, we had to rethink the approach to low-resistance measurements. The 710A has 5 decade ranges from 10 mΩ to 100 Ω, with 4-digit resolution. The basic accuracy is 0.2% of reading + 0.02% of range. How does…
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Methods for Intrinsic Safety in Industrial, Manufacturing and Research Scenarios

Intrinsic Safety is the set of best practices, procedures and technology used to prevent unwanted and unnecessary explosive scenarios in the workplace. When working in the presence of flammable materials in various environments, the possibility of fire or explosion is a very real and present danger. The loss of life or limb, ruined product, damaged equipment,…
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TEGAM’s Jay Romanek Appointed as Atlanta Section Coordinator for NCSL International

TEGAM is delighted to announce the selection and appointment of our own DoD Program Specialist Jay Romanek as the Atlanta Section Coordinator for NCSL International. The volunteer role is essential for helping NCSL International members to meet and to exchange information with peers at least on a semi-annual basis, and Jay's organizational expertise will be helping…
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U.S. Navy Has Selected the TEGAM Model R1L-D1 Milli-Ohmmeter & RTD Meter for a Special Test Requirement of the Nuclear Navy

High-Accuracy Milli-Ohmmeter and RTD Meter Has the Longest Rechargeable Battery Life with a Rugged MIL-PRF-28800F Class 3 Rating   September 20, 2016 11:53 AM Eastern Daylight Time GENEVA, Ohio--(BUSINESS WIRE)--TEGAM, Inc., a leading supplier of electronic and digital test and measurement equipment, is proud to announce that the U.S. Navy has selected the TEGAM Model…
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Don’t Confuse Accuracy and Precision (in Microohmmeters and More)

Two terms often bandied about in the test and measurement industry are accuracy and precision. Sometimes these two terms are used interchangeably, but they really mean different things. The New Oxford American Dictionary gives the technical definition of accuracy as “the degree to which the result of a measurement, calculation, or specification conforms to the…
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New Microohmmeter Probes are Rugged and Comfortable

FOR IMMEDIATE RELEASE Contact TEGAM @ 440-466-6100. TEGAM, Inc., a leading supplier of innovative microohmmeters, has just introduced five new Kelvin probes. When used with TEGAM's R1L bond meters or the 1740 or 1750 microohmmeter, they enable engineers and technicians to more easily make four-wire bonding and other low-resistance measurements: The BKP-10 Kelvin probes are…
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TEGAM Model R1L-E2A Ground Bond Meter & Milli-Ohmmeter Is Intrinsically Safe

Intrinsically safe testers can be used in potentially explosive work areas and will not ignite hazardous materials such as aviation fuel and natural gas. The TEGAM Model R1L-E2A Ground Bond Meter & Milli-Ohmmeter is unique in that it not only provides accurate low-resistance measurements, but is also intrinsically safe. This makes the TEGAM Model R1L-E2A…
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TEGAM Releases Battery-Powered Microohmmeter

TEGAM, Inc. has expanded its line of microohmmeters with the development of the Model 1750/BAT. Based on the design of the highly successful Model 1750, this battery-powered microohmmeter version fills a need in the aerospace industry to replace the discontinued Keithley 580 for testing electrical and mechanical bonds. Aerospace industry professionals evaluated many alternatives and…
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