Macro Sensors (www.macrosensors.com), an American Sensor Technologies (AST) company specializing in the manufacture of LVDT-based linear and rotary sensors, gaging probes, support electronics and related instrumentation, has been named a GE SQE- (Supplier Quality Engineering) approved vendor for LVRT (Linear Variable Reluctance Transformer) position sensors used on General Electric’s steam turbines. The LVRTs are implemented for position measurement on governor valves, throttle valves, reheat/stop valves, interceptor valves, and many other control valves.