H & L Instruments, LLC

H&L Instruments introduced the first repeating fiberoptic modem for SCADA networks. Our self-healing, fiberoptic transceivers revolutionize how utilities and campuses monitor and manage their systems. Learn more about H&L Instruments fiberoptic networking solutions...

The Model 570 family of products employ the latest hardware and software to provide reliable and efficient fiberoptic networking technology for utilities and campuses around the world. Learn more about the 570 family of products. The latest innovation in the 570 family is the Model 570X DNP3 Gateway Transceiver.