American National Standard For Roadway and Area Lighting Equipment - Metering Performance Requirements for LED Drivers with Integral Energy Measurement
道路和区域照明设备的美国国家标准.带积分能量测量的LED驱动器的计量性能要求
Establishes acceptable metering performance criteria for LED drivers with built in (integral to the driver) energy consumption measurement functionality for use in outdoor luminaire applications. It describes two metering device performance levels for roadway and area lighting applications: 2% Accuracy Class and 5% Accuracy Class.