Features: <br> <br>Multi-functional digital-display meter can measure the AC voltage and current, active power, apparent power and power factor at the same time. <br>Adopting high strength fire retardant material, safe and reliable. <br>High measurement accuracy, stable performance. <br>Compact size and sturdy structure, easy installation. <br>No external AC transformer is required for measuring current within 99.9A. <br>Simply pass the wire of the measuring loop through the small round hole on the right side of the meter to complete the measurement. <br> <br>Specification: <br>Measurement voltage: AC80-300V, AC200-450V (Optional) <br>Measuring current: AC100A (additional transformer is required if it is greater than 100A) <br>Power supply: no power supply is required <br>Measurement accuracy: 0.5% <br>Overall dimensions: 54 * 80 * 64mm / 2.1 * 3.1 * 2.5in <br>Installation: 35mm din rail installation <br>Package List: 1* Multi-Functional Meter <br> <br> <br> <br>Note: <br>New-style and old-style are shipped randomly<br>1、Multi-functional digital-display meter can measure the AC voltage and current, active power, apparent power and power factor at the same time. <br>2、Adopting high strength fire retardant material, safe and reliable. <br>3、High measurement accuracy, stable performance. <br>4、Compact size and sturdy structure, easy installation. <br>5、No external AC transformer is required for measuring current within 99.9A.