操作简单的光度表,受光元件，相对可见度近似硅光，二极管(直径9mm)3999count,刻度显示使用硅光二极管检测范围0.11x-399.9klx数据锁定睡眠功能(约30分钟后)延长线900mm
■ Data hold■ Auto power save■ Go anywhere pocket size■ Compact sensor probe for narrow space■ Sensor prove can be snapped■ Complete body cover