Enda euc442 universal pid controller 48 x 48mm panel mount enda euc442 a 48 x 48mm panel mounting programmable universal pid controller with a choice of selectable control outputs including relay ssr 0 to 20ma or 4 to 20ma there are inputs for a wide range of pt100 temperature sensor types as well as 0 to 20ma and 4 to 20ma there are two 4 digit led displays and parameters are set via front panel keys enda euc442 230 pid temperature controller