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立体量测仪CTД-2光源是用两个25W110V的大灯泡，串联在220V的电路上的。它的温度很高，而且恰在靠近作业员头部的地方，每到夏季极容易烘晕作业员的头脑，影响作业效率，也有害于身体健康。多年以前，某些单位就用日光灯对它进行改装，但没有得到完美的效果。因为日光灯发出刺眼的白色光，而且有闪光现象，尤其是冬天更为明显，因此不
Three-dimensional measuring instrument CTД-2 light source is the use of two 25W110V bulbs, connected in series on the 220V circuit. Its temperature is very high, and just close to the operator’s head, every summer is very easy to dazzle the operator’s mind, affecting the efficiency of operations, but also harmful to their health. Years ago, some units used fluorescent lamps to retrofit it, but did not get the perfect result. Because the fluorescent lamp emits glare of white light, and flash phenomenon, especially in winter is more obvious, so not