The Fiberoptic Communications Specialists


H&L Instruments, L.L.C.
P.O. Box 580, 34 Post Road
North Hampton, NH 03862-0580 USA

Tel. 603-964-1818
Fax 603-964-8881


H&L Instruments is the worldwide leader in the development and marketing of electro-optical equipment. Established in 1979, the company originally produced edge profile comparators for inspecting air and power turbine blades, semiconductor wafers, and grinding wheels. With its development of the first-ever repeating fiberoptic modem, a solution that revolutionized how companies managed their distribution automation and SCADA systems, H&L expanded its operations into the fiberoptic communication field. Today, H&L Instruments continues to display its innovation and vision with its FiberLoop III™ system, an advanced solution that combines powerful multi-channel, self-healing transceivers and remote network management software. H&L products meet the requirements of a wide range of industries, including municipal utilities, schools and industrial campuses, airports, amusement parks, Original Equipment Manufacturers, and Intelligent Transportation Systems.

With over 3000 H&L modems, multiplexers, and transceivers installed worldwide, we've proven the reliability of our products. Our list of satisfied customers includes: Pacific Gas & Electric, Reedy Creek Energy Services (Disney World Florida), Abbott Laboratories, General Electric, Pratt & Whitney, Rolls-Royce, S&C Electric, AT&T, Intel, Edmonton Hydro, as well as numerous municipalities and electric systems such as Georgetown, South Carolina and City Public Service of San Antonio, Texas.