HOBO Water Level Data Logger U20L

5 200 SEK

A low-cost, research-grade data logger for continuous monitoring of water level and temperature at depths of up to 13, 30, or 100 feet in a wide range of underwater environments; for use in freshwater or saltwater.


Mätområde: 0-4 meter
Mätområde: 0-4 meter


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  • Self-contained, non-vented design enables easy deployment
  • Ideal for use in both freshwater and saltwater environments, including wells, streams, lakes, wetlands, and tidal areas
  • Depths up to 13, 30, or 100 feet depending on model
  • Durable ceramic pressure sensor withstands freezing
  • HOBOware Pro software provides easy conversion to accurate water level reading, fully compensated for barometric pressure, temperature, and water density

Pressure (Absolute) and Water Level Measurements U20L-01:

Operation Range:
0 to 207 kPa (0 to 30 psia)
Approximately 0 to 9 m water depth at sea level
0 to 12 m water depth at 3,000 m altitude

Factory Calibrated Range:
69 to 207 kPa, 0° to 40°C

Burst Pressure:
310 kPa or 18 m depth
45 psia or 60 ft depth

Water Level Accuracy:
Typical error: ±0.1% FS, 1.0 cm water
Maximum error: ±0.2% FS, 2.0 cm water

Raw Pressure Accuracy:
±0.3% FS, 0.62 kPa (0.09 psi) maximum error
<0.02 kPa water

Pressure Response Time (90%):
<1 second at a stable temperature
Measurement accuracy also depends on temperature response time

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