... up to 99999.99 hours after which time the meter resets to zero. Non-reset table to prevent ... .99Voltage:AC 110V, 220V, 380VFreq:50/60Hz Power Factor Meter(Cos ?Meters) Model:90?HP-P48, HP-P72, ... , fast, robust, side-by-sideMounting depth:Max 43mmThis meter can be used for single phase or three phase three ... short connections,not longer than 5 minutes for one test, a push-botton switch is placed on the ...