Features Easy Installation Design - Rail-mounted for effortless setup, allowing you to quickly integrate this meter into your electrical system without hassle Simultaneous Display Functionality - View AC voltage and current power factor at the same time, providing comprehensive monitoring for better energy management High Accuracy Performance - Engineered for stable performance, this meter ensures precise readings, enhancing your ability to track electrical consumption effectively Intelligent Current Resolution - Automatically adjusts display resolution: 0.01A for currents under 100A and 0.1A for those over, ensuring clarity and accuracy in all conditions Clear LED Readouts - Features vibrant 4 and 5-digit LED digital tubes for easy visibility of voltage, current, and power metrics, even in low-light environments Features: 1、Rail mounted for easy installation,saves effort. 2、Simultaneous display of AC voltage and current power factor. 3、Stable performance and high accuracy. 4、When the current is less than 100A, the current display resolution is 0.01A. When the current is greater than 100A, the current display resolution is 0.1A, and the range is automatically converted. 5、The voltage shows 4-digit red 0.31 inch LED digital tube, the current and time display adopts 5-digit red 0.31 inch LED digital tube active power, and the electric energy (electricity) display adopts 5-digit green 0.31 inch LED digital tube. Specification: Item Type:Multi-Function Meter Product Model: D52-2047 Measurement Accuracy: 1% + 2 Digit AC Voltage: AC200-450V AC Current AC0-100.0A Measuring Current: 0.01A Resolution when between100A,0.1A when >100A. Active Power: 45000W Electric Energy: 0.000-99999kwh, Decimal Point Conversion Time Accumulation: 0.00-999.59h Power Factor: 1000-0.000 Measuring Speed: About 2 Times Per Second Package List: 1 x Meter 1 x Users Manual Package List 1 x Meter 1 x Users Manual