LoginGuildline Instruments, founded in 1957, manufactures and markets ultra-precise instruments for the fields of metrology and oceanography. Our products are used for research and as the primary instrument with respect to establishing traceability to fundamental electrical standards. Key customer markets include national research laboratories, national metrology institutes, militaries, nuclear power plants, aerospace, and companies in the electrical and power industry.Most Guildline instruments are unique and represent the only commercially available instrument capable of accuracy in the sub parts-per-million range. The team of Guildline engineering and manufacturing experts is recognized around the world for the performance and quality of the Company?s products. Many of these instruments were, and continue to be, developed in conjunction with government research institutions such as the National Research Council of Canada (NRCC). Guildline to assist you in overcoming all of your measurement challenges more... See more text