漏电流检测
Leak current detection
current leakage detection
光电检测电路
Opto-electronic detection circuit
差压式泄漏检测
Leak test with the principle of pressure difference
持续缓变漏电电流
continuous slow change leakage current
堤坝管涌渗漏检测仪
levee piping and seepage detector
定容压差式泄漏检测机
Tester with constant volume
管道泄漏检测
pipeline leakage detection
leakage detection for pipelines
接口渗漏检测
inspection of joint leakage
静电检漏器
electrostatic ground detector
漏电电抗
leakage current impedance