H&L Instruments develops and markets electro-optical equipment. The company developed edge profile comparators for inspecting aircraft engine and power generating turbine blades, semiconductor wafers, and grinding wheels. The company later developed the first-ever repeating fiberoptic modem, expanded operations into fiberoptic communications for electric utilities, creating a solution that revolutionized how companies manage their distribution automation and SCADA systems. The company continues to demonstrate innovation and vision with its FiberLoop III systeman advanced fiberoptic SCADA and distribution automation solution that combines powerful multi-channel serial and Ethernet communications. A self-healing fiberoptic transceivers with remote network management software. The FiberLoop III system meets the requirements of a wide range of industries, including municipal utilities, school and industrial campuses, airports, amusement parks, Original Equipment Manufacturers (O.E.M.s), as well as Intelligent Transportation Systems. With its modems, multiplexers, and transceivers installed worldwide, and its line of edge profile comparators, H&L Instruments has a range of products with a well known reputation for ease of use, ruggedness, reliability, and trouble-free operation.