GAOTek presents a full portfolio of electrical testers that include a wide collection of products such as spectrum analyzers, digital oscilloscopes, digital multimeters, logic analyzers, and generators. Our products offer technicians and field professionals the best performance for a variety of electrical testing applications. Electrical testers are accurate, safe and easy to use. They are designed to check non-contact to contact voltage and continuity detection, circuit problems, open jaw current and motor phase rotation-testing. They also ensure voltages are correct at the electrical panels.