This article describes the basic principles of fiber optical detonation velocity meter. The detonation velocity of the plastic detonating cord was measured by both fiber optical detonation velocity meter and the BSZ-1 detonation velocity meter, and a comparison was made. The fiber optical detonation velocity meter acquires all the data in 10 tests, and the average velocity is 7060.16m/s, while BSZ-1 detonation velocity meter acquires no data in 3 tests and the average velocity is 7048.67m/s. The results demonstrate the advantages of the meter, such as high measuring precision, stable performance, reliable results and simple operation.%介绍了光纤爆速仪基本原理,利用设计的光纤爆速仪和BSZ-1型智能单段爆速仪对塑料导爆索的爆速进行了对比测试.在10次测试中,光纤爆速仪均测到数据,平均爆速为7060.16 m/s；BSZ-1型爆速仪3次未测到数据,平均爆速为7048.67 m/s.结果表明该光纤爆速仪具有测试精度高、性能稳定、结果可靠、操作简单等优点.
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