Winner of the EC&M Product of the year Gold Award!
Incorporating the latest Non-Contact Voltage Tester technology and GCFI Outlet Tester into a single unit. These are 2 of the most popular testers by electricians, inspectors, technicians and homeowners.
With Sperry Instrument’s advanced technology, the DualCheck™ quickly provides an accurate analysis of your 120 volt receptacle. The Non-Contact offers a 360° LED indicator and can detect low resistance values on the ground and provide a clear and easy-to understand 1 LED readout for GFCI troubleshooting.