ซื้อหลอดไฟดูวัตต์ควบคู่กับดูลูเมน Archives - Nineled สปอร์ตไลท์ LED โคมไฟถนน เสาไฟถนน ไฮเบย์ โซล่าเซลล์ หลอดไฟ LED การันตีราคาดีสุด

ซื้อหลอดไฟดูวัตต์ควบคู่กับดูลูเมน

การเลือกหลอดไฟมักอ้างอิงจาก “วัตต์ (Watt)” เพราะยิ่งวัตต์สูงก็ยิ่งสว่าง แต่เมื่อเทคโนโลยี หลอดไฟ LED เข้ามาเปลี่ยนมาตรฐานเดิม วิธีคิดแบบนี้จึงไม่แม่นยำอีกต่อไป เนื่องจากวัตต์เป็นเพียงค่าการใช้พลังงาน ไม่ได้บอกความสว่างจริงของหลอดไฟปัจจุบัน สิ่งที่ควรพิจารณาควบคู่กันคือ “ลูเมน (Lumen)” ซึ่งเป็นค่าที่บอกปริมาณแสงที่หลอดปล่อยออกมาโดยตรง [...]

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