The Tri-Porter is the first network installation tester that provides a full range of physical wiring tests for IP-based voice, data and video services. It can replace up to 6 traditional testing tool

Measure resistance, current, or voltage... for its price, this little meter can't be beat! Lightweight, compact and remarkably capable it gets the job done and saves you money. Outfit your whole crew

This handy 7-function electrical meter can check continuity, AC and DC voltage, DC current, and line resistance. It also can give you precise voltage measurements of 1.5 to 9V batteries. Use the buzze