In summary, Copal Electronics provides a wide variety of unique pressure sensors for various pneumatic applications. Excellent electrical & mechanical performance achieved by using semiconductor sensor chips which are made in-house. Sensor chips are optimized for each product line. Integrated production ensures high quality and high reliability. Copal Electronics offers various pressure sensors with digital displays. These sensors are RoHS compliant and meet EMC directives and C/UL standards. The PS30 series is a pressure switch with a large LED display. The PS60 is a low-profile pressure switch with display and the PG-30 series is a pressure gauge with an LED display.