Choosing the right tools is an important step in the process of electrical testing to ensure the work of engineers, electricians and professionals is not compromised.
In such cases, Testing tools from RS can be of great help.
They are also useful when it comes to electrical systems, troubleshooting and other smooth execution activities.
By purchasing quality tools, such professionals can go a long way to ensuring accurate readings, minimal downtime, and compliance with pertinent electrical standards like BS 7671 (the “IET Wiring Regulations”) in the UK.
Read further to explore other aspects as well:
If you’re reading this as an engineer attempting to narrow down your options for reliable electrical testing tools, make sure you go through these stages:
Every instrument that you purchase should always have the appropriate CAT (Category) for the environment in which you expect to use it. Choosing equipment designed for the correct installation category will help protect you as a user, as well as the instrument itself.
A CAT IV rating, for instance, covers primary supply sources like overhead lines and utility service entrances. CAT III covers building distributions, including switches, busbars, and permanently installed motors, while CAT II covers appliance and portable tool circuits.
A fundamental aspect of choosing reliable testing devices is ensuring the actual readings they produce are ones you can always rely on. A quality meter should provide precise readings across the parameters that it measures, such as voltage, current, and resistance ranges. This way, you’ll be able to make informed decisions with confidence.
It can be greatly useful, for example, to look for electrical tools with True RMS (Root Mean Square) capability. This feature can be invaluable for engineers working with non-linear loads, variable speed drives, or modern electronic equipment. This is because it delivers more accurate AC voltage and current measurements than can be expected from standard averaging meters.
In the case of any tool you’re considering, don’t forget to also check the percentage tolerance specification and display counts (for example, 6000-count) to ensure fine measurement granularity.
Field engineers often work in demanding conditions. If this is what your electrical testing tool will be subjected to, you should ensure your chosen instrument will be able to cope well with a range of environmental pressures.
A key aspect of this will be inspecting the Ingress Protection (IP) code for whatever device you’re considering. If, for instance, a tool is rated IP67, this indicates it is dust-tight and protected against temporary water immersion.
It will also be well worth ensuring the rugged outer holster of the tool can withstand accidental drops; about one to two metres is a typical drop protection standard.
Such features as durable housings, protective rubber cases, backlit displays, and long battery life can all make an appreciable difference to the reliability and longevity a given electrical testing tool can offer.
Choosing reliable electrical testing devices isn’t “merely” an investment in safety and productivity, as important though those aspects are. That’s because it will also be an investment in your own professional reputation as an engineer.
By selecting equipment that combines suitable features with appropriate safety ratings and proven accuracy, you can greatly improve your ability to diagnose faults accurately and achieve the optimal results from your projects.
Ans: For instance, if you need to know whether the voltage is present for DIY work, consider a basic non-contact voltage tester or a neon voltage tester.
Ans: Earth continuity and insulation resistance are required for portable equipment under AS/NZS 3760:2022.
Ans: Some types of electrical safety tests include: dielectric withstand test (also called a hipot test) insulation resistance test (IR test) earth continuity test.
Ans: A digital multimeter (DMM) is the most commonly used electrical test tool in the world.
