Electronic test equipment used for testing the functionality of perforating switch systems for use in the oil and gas industry

computer software for alarm systems

fluid flow measurement systems and apparatus comprising a fluid flow conduit, a fluid flow straightener, conditioner and stabilizer in the conduit, a fluid flowmeter in the conduit downstream from the straightener, conditioner and stabilizer, and a readout instrument connected to the flowmeter and comprising either or both of a total flow register and a flow rate indicator

A FLAME SCANNER AND COMBUSTION SAFETY CONTROL DESIGNED TO MONITOR GASEOUS AND/OR LIQUID FUEL FLAMES IN SEMI-AUTOMAAICALLY CONTROLLED BOILERS AND FURNACES AND TO DE-ENERGIZE AUTOMATIC FUEL SHUT-OFF VALVES UPON LOSS OF FLAME DETECTION SIGNAL