紫外线是用于室内空气及物体表面的消毒。我院手术室每个手术间均安装了紫外线吊灯。为保证消毒效果,我们定期做紫外线强度的测试。为方便工作,我们自制了一个可伸缩的吊杆,给测试工作带来了方便,提高了工作效率。现将此吊杆制作介绍如下:1材料与制作使用旧电视上的伸缩天线,长 UV is used for indoor air and surface disinfection. Our hospital operating room each room were installed UV chandeliers. To ensure the disinfection effect, we regularly do UV intensity test. For the convenience of our work, we made a self-made telescopic boom, which brought convenience to testing and increased work efficiency. Now this boom production introduced as follows: 1 materials and production using the old telescopic antenna on the TV, long