Model 570 Fiberoptic Transceiver 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.

Learn more about modem/transceiver compatibility and integration with your existing systems.

The Model 570-based Fiber Network Story

The H&L Comparator Family

The Model 102C edge profile comparator is used for the non-destructive inspection of semiconductor wafers and grinding wheelsThe H&L Instruments Edge Profile Comparators are saving industry millions of dollars. The Model 102C edge profile comparator is used in the semiconductor industry for non-destructive inspection of wafers prior to expensive processing. Learn more ...

Model 900C edge profile comparator inspects aircraft engine turbine fan blades

The Model 900C edge profile comparator (shown here) is employed in the airline industry for detecting poorly contoured compression blades. It is specified in the CFM56 Engine Shop Manual for blending and contouring the airfoil leading and trailing edges and is used throughout the industry in maintenance of the Pratt & Whitney PW400, the Rolls Royce Trent 800, the International Aero Engines V2500 and numerous other engines. Learn more...

In the News ...

May 2018 announcement
The FAA adopted an airworthiness directive for all CFM International S.A. (CFM) Model CFM56-7B engines ...

November 2018 announcement
OEM had concerns about fan blades involved in Southwest engine failure leading to woman's death ...

November 2018 announcement
NTSB investigates CFM56-7B fan blade cracking in Southwest 727 engine failure ...
H&L Instruments, L.L.C.
P.O. Box 580, 34 Post Road
North Hampton, NH 03862-0580
USA

Tel. 603-964-1818
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