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Onset HOBO U20L Low-Cost Water Level Data Loggers. Available in 0 to 13ft, 0 to 30 ft and 0 to 100 ft Water Depth Ranges

HOBO U20L Low-Cost Water Level Data Logger

Onset Temperature and Water Level Data Loggers for Water Level Studies and Research

Part Number: U20L-01

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  • 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 13 ft, 0 to 30 ft and 0 to 100 ft Water Level Ranges Available 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)

Special order - please allow 3-5 business days for this item to ship.


All Calibration Orders Have a 5 to 7 Business Day Lead Time
1 Year Calibration Due Date Unless Otherwise Specified.