Zhongxu HNC-300LTD, HNC-500LTD, HNC-600LTD-X

LTD:HNC-300LTD,HNC-400LTD,HNC-500LTD,HNC-800LTD,HNC-1000LTD; 
LTD/sp5:HNC-500LTD/sp5,
LTD/sp6:HNC-300LTD/sp6;
HNC-500LTD-SP5
HNC-1000LTD-X
Hall-effect current sensor/Hall current transducer,
Electromagnetic sensor, Closed-loop,Magnetic balance type,