μp-based digital panel meter, 3 1/2 DGT LED indi- cator, for current, voltage, temperature, resistance, rate, frequency, speed and period measurements. Mea- suring ranges and functions easily programmable from the key-pad or from the PC by means of optional Udm- Soft software. UDM35 includes storage min-max functions and double level protection password. Housing for panel mounting with front protection degree: IP67, NEMA12, NEMA4x "Indoor use only".