NIH200series submersible level transmitter carry international advanced technology, adopts silicon pressure core as sensitive element. Besides, It applies progressive micro programming and digital communication skills, utilize theory of level and deep is directly proportional to static pressure,transfer mV signal of sensor to current and voltage signal, meanwhile, connectwith computer, monitoring instrument, indicating meter or others and realize industrial automatic control, and products are available nin various working environment for long-term use, like factory, urban water supply, building Automation, hydrology and water.