The Gossen Metrawatt SECUTEST SIIIPLUS is the most advanced electrical safety tester on the market. It features a unique combination of features that make it the ideal choice for testing electrical equipment in a variety of applications. Automatic test sequence: The SECUTEST SIIIPLUS automatically performs a complete series of tests, including insulation resistance, continuity, and ground bond testing. This eliminates the need for manual testing, saving time and reducing the risk of errors. High accuracy: The SECUTEST SIIIPLUS is highly accurate, with a measurement accuracy of ±0.5%. This ensures that you can be confident in the results of your tests. Rugged construction: The SECUTEST SIIIPLUS is built to withstand the rigors of everyday use. It is housed in a rugged case that protects it from damage. Easy to use: The SECUTEST SIIIPLUS is easy to use, even for non-technical users. It features a simple, intuitive interface that makes it easy to navigate the menus and select the desired tests.