The UPM-0 is a replacement for any 1⁄8 DIN D.P.M. or Universal Counter-Timer. Plastic or Metal 3.78”W x 1.9”H x 2.2"D housing. Available in either a loop (4-20mA), A.C. or D.C. signal or external power version. The external powered versions can accommodate 4 relays, isolated DAC and power for the analog output (1 per channel). Other options include >30 signal conditioners and isolated input power options, as well as Ethernet, USB or RS485 and automatic/programmable colors (red/green/yellow) on each character.