ZSE30/ISE30 and ZSE40/ISE40 digital pressure switches monitor air and inert and non-flammable gases. They are rated for maximum pressures from 1 to 10 bar, and feature digital and/or analog outputs, integrated display, and frontal keys for setting. ISE75 and ISE75H are rated for 150 bar and come with NPN/PNP output that can be set full scale, and 4-pin M12 electrical connection.Elettro Instruments, www.elettroinstruments.it, [email protected]