sensors, computer network equipment, electronic display panels or modules or systems, power supply systems or units, controls, flat panel displays (fpd), three phase inverter drives, machinery refurbishment, power supplies, flow sensors, level sensors, pressure sensors, signal conditioners, switches, timers, transducers, radio frequency (rf) data modems available from kelburn engineering company based in elmhurst, il. click the links below to visit our website or contact us via our profile page.