The latest news from Combined Test Solutions

Metal Whiskers; how to avoid them

Metal Whiskers can cause severe damage to electronic and electrical devices and leave complete systems useless. They have been known to create failures in nuclear reactors, pacemakers, missiles and satellites and they may be threatening your devices. What are these tiny things that can cause so much destruction? Metal whiskers are tiny hair-like growths that…

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What is the Test Process?

Many companies have an established process that they follow to ensure that all cables are tested correctly. Some parts of the test process are vital for safety reasons. How many of these things do you include in your test process? 1. Guided Assembly Instead of testing after the cable is finished, some test systems allow…

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Counterfeit Cables

Substandard and counterfeit cables, labelled with fake official standards and accreditations, is a growing problem in the UK. What are Counterfeit Cables? Manufacturers are purchasing wires and components they believe are legitimate only to realise later that the materials do not meet industry requirements. Sometimes the counterfeit parts have been passed off under a respected…

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Testing Tips – Back Up Your Tester

With technology being so prevalent in our world today, there are very few people who haven’t lost data in some form or another. Whether dropping your phone in the toilet or losing information when a computer crashes, everyone has experienced the heartbreak of losing digital files. This article is your friendly reminder to back up…

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Practical resistance specifications

The IPC\WHMA-A-620 Rev A standard states that in the absence of agreement on test requirements between manufacturer and user the continuity spec for class 3 assemblies should be 2 ohms, or 1 ohm plus the actual resistance. We agree that this is a reasonable method for determining continuity test specs. However, when more stringent continuity…

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Ergonomics and Cable Testing

Safety in the workplace means more than just identifying and eliminating hazards. Maintaining good employee health is important to company morale and production. An employee bent over testing cables for hours or leaning across a table to thread a wire through a harness could experience chronic pain not easily alleviated. Addressing problems that cause employees…

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Moving Tests Upstream

By adding automated testing earlier throughout the build process, cable and harness manufacturers can find errors sooner; this saves time, money, and provides a competitive advantage. Rising expectations in the cable/harness industry demand that manufacturers build more complex assemblies in less time. Accomplishing this feat means manufacturers must re-evaluate their processes. How can shops produce…

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Testing Tips – Correct Resistance Settings

Do you know the correct resistance settings when building a new test program? While the default settings may work in most situations, you may find tests failing because of a wrong setting—not because of a bad cable. One of the most common settings in a situation like this is the resistance setting. The resistance values…

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Can you calibrate your own tester?

To get accurate results, your automated testing equipment must be calibrated. An uncalibrated machine can skew results and damage your company. With this in mind, how do you know if your tester is calibrated correctly? Start by purchasing a Cirris Performance Check Kit from Combined Test Solutions. This kit will tell you if your tester…

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IEE Code of Practice & Cirris HiPot Testers

IEE Code of Practice Plain extension cables above 25 metres fall outside the scope of the IEE’s code of practice which is one reason why many Portable Appliance Testers (PAT) testers do not cater for long cables. The Code requires that the earth bond wire is within 0.1 ohm of its theoretical value and that it…

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