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用仪表放大器测量两个光源之间的差异
在许多照明应用中,测量两个光源的相对强度比测量其各自的强度更重要。这样能确保两个光源以相同的强度发光。例如,比较同一建筑物内控制室( 1 号房间)和另一间房( 2 号房间)的亮度会有帮助,以便可以在白天的任何时间和夜里进行调整。或者,对于一个生产系统 ...
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