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《China Medical Devices》 2015-09
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Research on EMC Anti-interference of Laser Power Meter

WANG Quan;LI Shu;SU Zong-wen;REN Hai-ping;Institute for Medical Devices Control,National Institutes for Food and Drug Control;  
Objective To make a research on the anti-interference situation of laser power meter during EMC anti-interference test so as to improve the testing accuracy.Methods Two kinds of commonly-used laser power meters were used to measure the output light in the EMC anti-interference test respectively for He-Ne laser and optical fiber laryngoscope.The power inspection situation of different laser power meter was observed in variant output conditions.Results Radiated anti-interference of different laser power meter differed quite a lot under the same environmental conditions.Conclusion The radiated anti-interference test on laser power meter should be made before the entire test in order to reduce misjudgment of experiment result caused by the effect of electromagnetic field on the test equipment.
【CateGory Index】: R197.39
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