In the last 30 years, EXFO has risen to the top of its industry as a leading test expert in the world. More than 90 percent of the top 100 certified safety professionals (CSPs) use EXFO test equipment solutions. EXFO is the No. 1 manufacturer of portable optical test solutions in the world. Focused on next-generation innovations, EXFO is consistently producing new technologies to complement its existing lines of meters, data acquisition (DAQ) instrumentation, and fiber optic equipment. EXFO offers tailored solutions to help engineers achieve goals faster. Professionals can enjoy a higher return on investment when they buy used and refurbished EXFO products at ValueTronics.com.