mine detector

1. This paper analyses detection principle of mine methane by use of a variable current detector, a new variable current detector circuit is designed.
   分析了矿井瓦斯变流检测原理，设计出一种新型的瓦斯变流检测电路。
2. Design and Research on Wind Speed Intelligent Testing System with Hand-hold Portable Type for Mine automatic detector for scanning hand baggage
   矿用手持便携式风速智能测量仪的设计研究手提包自动扫描检测仪
3. The utility model discloses a mine mouth oil pipe non-destructive detector.
   井口油管无损探伤检测仪。
4. Coal Mine Methane Detector Based on NDIR Principle
   基于非分散红外（NDIR）原理的煤矿甲烷检测仪
5. When the density of methane in the mine exceeds a specified value, the detector would send out the acoustic-optic warning signal and the power is cut off.
   当空气中甲烷的体积分数超出警戒值时检测仪发出声光报警信号，同时切断电机车的供电电源。
6. Application and Improvement of KLTS& 2 Comprehensive Mine Cable Crack Detector
   KLTS&2型矿用电缆综合探伤仪的使用与改进

noun

1. detector consisting of an electromagnetic device