We usually use piezoresistive level gauges (including submersible water level transmitter, sludge level transmitter, sediment level transmitter, anti-corrosion ceramic piezoresistive liquid level transmitter, submersible water temperature level transmitter, Sewage Level Transmitter, liquid level measurement of high-temperature corrosive media, armoured cable level transmitter), steel ruler water level gauge, non-contact radars and ultrasonic level gauges for all-weather monitoring of deep Wells, closed tanks, river, reservoir and groundwater liquid levels, replacing manual measurement with higher efficiency and safety.