Overview of the HOBO U20L Series Water Level Data Logger
The Onset HOBO U20L Series Water Level loggers set a new standard when it comes to price and performance for water level and temperature recording. These self-contained, non-vented loggers feature a rugged polypropylene housing making them ideal for both fresh and saltwater applications. All feature an accurate and durable ceramic pressure sensor and a mounting hole for easy installation. The loggers have a typical battery life of up to 5 years and the battery is factory replaceable. Downloading the logger can be done in less than 30 seconds using the required optical USB interface (BASE-U-4 or U-DTW-1). The logger is configured, and data is viewed using either free HOBOware or HOBOware Pro (paid) software.
- Recording Changing Water Level (Depth) and Temperature in Wet or Water Environments
- -20°C to 50°C Temperature Measurement Range with ±0.44°C Accuracy
- Factory-Replaceable 2/3 AA Lithium Battery with 5 Year Life (1 Minute Sampling Rate)
- Stores up to 21,700 Measured Readings with Date/Time Stamp
- 0 to 30 ft Water Level Range with ± 0.1% RF Accuracy
Requires HOBOware Pro Software (Version 3.2+) and an Optic USB Base Station (BASE-U-4) or Shuttle Data Transporter (U-DTW-1)