タグ: UL vs BS lighting control

UL規格とBS規格の光電セル：ルクス値が異なる理由

Why Do Photocell LUX Values Differ Between UL and BS Standards? One of the most common questions raised by illumination producers, project engineers, and importers is why a photocell tested in one market may show different switching LUX values in another. In several cases, purchasers relate datasheets from numerous contractors and notice that similar products appear to have considerably different ON/OFF LUX ratings. This often leads to misunderstanding, apprehensions about product constancy, or assumptions that one product is less precise than another. Actually, the issue is generally not the photocell itself—it is the testing standard behind the specification. As Different global markets use different photocell testing standards, and the two most […]