Water Level Sensors

WaterLOG water level sensors are specifically designed to provide accurate data in a variety of unique sites. Once you find the water level sensor you like, click on the image below for specific product features, specifications, literature and more!

WaterLOG Bubbler (H-3551T)

Bubbler (H-3551T)

The Bubbler (H-3551T) is reliable, light weight and requires low power operation by 12-volt battery and solar panel. Operating in depths up to 115 ft. (35 m) with 50 PSI, the Bubbler is ideal for stream, lake, well,...

WaterLOG Nile Radar Series

Nile Radar Series

NEW Nile Series 502/504/517 models! Designed for non-contact water level measurement, the WaterLOG Nile Series (502/504/517) combines high accuracy with an...

WaterLOG Shaft Encoder Series

Shaft Encoder Series (H-3301/11/42)

Designed specifically for measuring water level in a stilling well, the Shaft Encoder Series (H-3301/3311/3342) sturdy design incorporates the use a float and pulley to produce accurate data within minutes of...

WaterLOG Submersible Pressure Transducer (H-3123)

Submersible Pressure Transducer (H-3123)

Specifically designed to measure ground and surface water pressure, temperature and levels, the WaterLOG® Submersible Pressure Transducer (H-3123) can transmit data digitally over cable lengths of up to 304.8...

Amazon Bubbler

Amazon Bubbler

The WaterLOG® Amazon is a smart gas purge system built with communication and ease of setup in mind. The Amazon Bubbler Systems rugged design was developed for hydrologists and water professionals to provide long-term...

Compare WaterLOG Water Level Sensors


Radar Series (H-3611/12/13)

 Bubbler/Pressure Sensor (H-3553)Bubbler (H-3551)

Shaft Encoder Series (H-3301/11/42)

Submersible Pressure Transducer (H-3123)
Stilling Well Required Yes
Display Yes Yes Yes (H-3311 & H-3342)
Non-contact Yes
Sensor Submersed Yes
SDI-12 Output Yes Yes Yes Yes Yes
Quadrature Output Yes (H-3301 & H-3342)
4-20 mA Output Yes Yes (H-3342)
Modbus Output Yes