The Industry's Lowest Cost
Water Level Logger
  • Easy Deployment
  • Durable ceramic sensor
  • Reliable field data offload
Just $299
Software Included!
Building Performance
Award-winning HOBO® data loggers are the ideal choice for building performance monitoring. They can be used in a range of projects, including energy audits, indoor air quality studies, and storage monitoring.
Environmental Research
HOBO® data loggers and weather stations offer years of reliable performance in harsh outdoor and underwater conditions. They are ideal for a broad range of environmental research projects.

Onset's Jess Frackelton discusses Onset's full range of HOBO data loggers for building performance and environmental monitoring. Browse data loggers.

Get 40% off award-winning HOBO UX100 temperature/RH data loggers when you trade in your old model. Call 1-800-LOGGERS for details. (US only)

Onset Computer Corporation is the world's leading data logger supplier. We've been producing data loggers for over 30 years. Our battery-powered "HOBO" data logger products measure and record temperature, humidity, light, energy, and a variety of other parameters.

Known for providing reliable, accurate data under tough environmental conditions, HOBO data loggers can be rapidly deployed in a range of monitoring applications, from measuring building energy performance to water and field ecology studies.