1. The FLUKE ST240+/UK 230V RCD Socket Tester with Beeper is a reliable and efficient tool designed for testing RCD sockets. This device is equipped with a beeper for audible indication of test results, making it easy to identify faults quickly and accurately. With its 230V voltage rating, this socket tester is suitable for use in the UK and other countries with similar electrical standards. The FLUKE ST240+/UK is a must-have for electricians and maintenance professionals looking for a high-quality and user-friendly testing tool.