Item Type: AC Voltage Current Power Meter Model: D48-2058 Material: ABS Uses: Used in chemical industry, power plants, automation equipment, DOS systems, electromechanical equipment and other places Basic Parameters: Main Specifications: Measurement Accuracy: 1% 2 words Measuring Range: AC Voltage: AC250-450V AC Current: AC0-100A, Current Display Resolution: 0.01A, When Exceeds 100a: Display 100.0A Power Frequency: 45.0Hz-65.0Hz Power Factor: 0.00-1.00PF 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 Electric Energy: Measuring range is 0-99999kwh, 0-999.99kwh minimum display resolution is 0.01kwh, 1000.0-9999.9kwh minimum display resolution is 0.1kwh, 10000-99999kwh minimum resolution is 1kwh Measurement Speed: About 2 times per second 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)