Primera-Line Wattage and current meter PM 231 E helps to save costs and energy.
This power meter is for mounting into power plugs.
Measuring of voltage, frequency, current, efficiency, factor and power output
Calculation of the entire energy consumption and energy costs
Measuring time in hours and minutes
2 individually adjustable current rates (day + night)
Includes 3x LR44 batteries for data storage in case of a power failure
Mounting into power plugs