Profile: Sensor Electronics specializes in detectors and analyzers. Our products include gas detectors, process gas analyzers, sterilization analyzers and accessories. The SEC 1500 gas detector is a digital gas detector designed to detect one of a number of gases, and display the concentration of that particular gas & provide an alarm when gas concentrations reach preset levels. The SEC 3000 gas detector has features such as universal control board, interchangeable sensor modules for oxygen & toxic gases, and temperature compensated sensor.