Voltcraft dpm1l32 d electricity meter 32a voltcraft dpm1l32 d p the voltcraft dpm 1l 32 d is a din rail mountable single phase digital active energy meter the energy meter can display kwh w v a cos and hz by pressing the blue button on the device p p the instrument requires for its own power consumption 0 5 w approx p voltcraft dpm1l32 d electricity meter 32a