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  • Measures temperature, events and rainfall
  • Memory:
    • Events only; 16K to 23K events
    • Events and temperature; 25K to 30K data points
  • Relay contact closure or rain gauge “tips”
  • 2m (6ft) cable with 2-wire input provided
  • Temp measurement range: -4 to 158°F (-20 to 70°C)
  • Temp accuracy: ±0.95°F from 32° to 122°F

The HOBO UA-003-64 Pendant Event Data Logger determines rainfall rates, times, and duration after deployment with most standard tipping-bucket rain gauges. Efficiently gather and store momentary contact events and temperature data. Additionally, gain access to detailed event data. Event data is only stored when it happens for better memory usage. Use a solar radiation shield for accurate temperature measurement in sunlight applications.

Required Components

These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.

HOBO BASE-U-1 Optic USB Base Station
Fast optical infrared (IR) communication for easy logger launch and readout of HOBO Pendant loggers
HOBO BASE-U-4 Optic USB Base Station
Used to offload data from any HOBO data logger with an Optic USB interface, splash resistant
In Stock
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 HOBOware Pro Software
Plot or export data to spreadsheets, time saving tools to fast setup, readout and export, compatible with all HOBO data loggers
In Stock