The 7-in-1 programmable safety regulation comprehensive tester is a multifunctional safety regulation test, divided into seven tests: AC withstand voltage test, DC withstand voltage test, insulation resistance test, grounding resistance test, leakage current test, power test, and startup test.

The RK9970 is a desktop computer that requires an isolation transformer when used. Customers can choose to purchase the specifications of the isolation transformer based on the power of the tested object. RK9970-3/6 is equipped with 3kw/6kw isolation transformers. If wiring issues and overall convenience are considered, a built-in 7-in-1 programmable safety testing instrument can be selected.