Item Type: AC Voltage Current Power Meter_x000D_ Model: D48-2058_x000D_ Material: ABS_x000D_ Uses: Used in chemical industry, power plants, automation equipment, DOS systems, electromechanical equipment and other places_x000D_ Basic Parameters: _x000D_ Main Specifications:_x000D_ Measurement Accuracy: 1% 2 words_x000D_ Measuring Range: _x000D_ AC Voltage: AC250-450V_x000D_ AC Current: AC0-100A, Current Display Resolution: 0.01A, When Exceeds 100a: Display 100.0A_x000D_ Power Frequency: 45.0Hz-65.0Hz_x000D_ Power Factor: 0.00-1.00PF_x000D_ Active Power: The measurement range of AC250-450V is 0-45000W, the display resolution between 0-9999.9W is 0.1W, the rest is 1W_x000D_ Electric Energy: Measuring range is 0-99999kwh, 0-999.99kwh minimum display resolution is 0.01kwh,_x000D_ 1000.0-9999.9kwh minimum display resolution is 0.1kwh, 10000-99999kwh minimum resolution is 1kwh_x000D_ Measurement Speed: About 2 times per second_x000D_ Memory Function: When the meter is powered off during use, the accumulated power value of the meter will be stored by itself (the previous power data will be saved)