We stock a huge range of installation testing, high voltage and PAT testing equipment from the industry’s leading brands including Megger, Seaward, Kewtech, Metrel, Martindale and Chauvin Arnoux.
The 18th Edition Wiring Regulations (BS7671:2018) come into force on 1st January 2019 having been published in July earlier this year. There have been several changes to the regulations that affect various aspects of electrical installations. However, this does not necessarily mean that wholesale change is required in terms of test equipment for electrical contractors so it is important to carefully consider before making any purchases.
Annual calibration of test and measurement equipment is recommended by the vast majority of manufacturers and it may also be appropriate to carry out more frequent calibration should test results start to fluctuate. However, the processes behind loss of accuracy are often little understood and they are influenced by a wide array of factors. This article aims to explain the influences behind variations in accuracy and clarify the actual calibration process your tester will undergo when it comes to our laboratory.