HOBO U20 Water Level Data Logger Starter Kit
Starting at $604.00

Not in stock. Usually ships in 1-2 weeks [?]

Need Help? Call 1-800-884-4967
Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET


  • Kit includes:
    • U20-001-01 HOBO data logger
    • 13', 30', 100' ranges available
    • BASE-U-4 base station with the required coupler
    • BHW-PRO-CD HOBOware Pro software
  • U20-001-01 HOBO data logger specs:
    • Operating range; 0 to 30 psia (0 to 207 kPa)
    • Factory Calibrated Range; 10 to 30 psia (69 to 207 kPa)
    • 0 to 30 ft (0 to 9 m) of water depth (at sea level)
    • Temp range; -4 to 122°F (-20 to 50°C)
    • Temp accuracy; ±0.44°C from 0° to 50°C
  • BASE-U-4 specs:
    • Operating temp range of 32 to 122°F (0 to 50°C)
    • Cable length 183 cm (6 ft)
    • Offloads full 64K logger in 30 seconds
    • Splash resistant

The HOBO U20 Water Level Data Logger Starter Kit combines high accuracy water level measurements with out-of-the-box convenience, this kit includes everything needed to start logging right away. It is ideal for monitoring water levels and temperatures in wells, streams, lakes and freshwater wetlands.

The U20 Data Logger features high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain. This data logger is ideal for recording water levels and temperatures in shallow wells, streams, lakes and freshwater wetlands. For saltwater deployments, such as brackish wetlands and tidal areas, see HOBO U20 Water Level Titanium.

The HOBO BASE-U-4 Optic USB Base Station and couplers are used to offload data from any HOBO® data logger with an Optic USB interface. The splash resistant Optic USB Base Station connects to your computer via USB, while connecting to the logger via an appropriate coupler.


USB logger-to-PC communications cable, six feet long and coated in black plastic
In Stock


Please consider these optional accessories.

HOBO U-DTW-1 Waterproof Shuttle Data Transporter
Compatible with all HOBO U-Series loggers with optic USB, waterproof up to 20m (66ft), requires HOBOware Pro software
HOBO COUPLER2-B Replacement Coupler
Replacement Coupler for U20 Water Level Loggers
HOBO HOUSING-U2X Protective Housing
The HOUSING-U2X Housing is for use in Underwater environments


This product can be used in the following applications: