Onset
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Onset U20-001-04, HOBO U20 Water Level Data Logger
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Onset U20-001-04, HOBO U20 Water Level Data Logger
The HOBO U20 Water Level Data Logger offers lightning protection, precise readings, and is perfect for various water environments.
Onset U20-001-04, HOBO U20 Water Level Data Logger
Item #: 35939439

Onset U20-001-04, HOBO U20 Water Level Data Logger

Item #: 35939439

GBP 531

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Saturday, August 22
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The HOBO U20 Water Level Data Logger offers lightning protection, precise readings, and is perfect for various water environments.
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What Stands Out

Advanced Data Logging
The HOBO U20 captures high-resolution water level data with precision, allowing for detailed monitoring of water changes over time, ideal for researchers and environmentalists.
User-Friendly Interface
Designed for ease of use, it features a straightforward setup and intuitive software, minimizing technical barriers for both novice and experienced users in the field.
Durable Construction
With its rugged design, the U20 withstands harsh environmental conditions, ensuring reliable performance in diverse settings such as rivers, lakes, and wetlands.

Product Details

Shop Onset U20-001-04, HOBO U20 Water Level Data Logger online at a best price in Guernsey. B00UZEL1UY

Who Should Buy?

Suitable For
  • Hydrologists

    Perfect for hydrologists needing accurate water level measurements for research and monitoring environmental conditions.

  • Environmental Agencies

    Ideal for governmental and non-profit agencies involved in water quality and resource management in various bodies of water.

  • Educators

    Beneficial for educational institutions conducting field studies in environmental science and hydrology for hands-on learning.

Not Suitable For
  • Casual Users

    Not suitable for individuals without technical knowledge, as setup and data interpretation may prove challenging.

Product Description

Onset U20-001-04, HOBO U20 Water Level Data Logger

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Customer Questions & Answers

  • Question: What is the Onset U20-001-04, HOBO U20 Water Level Data Logger used for?

    Answer: The Onset U20 Water Level Data Logger is designed for monitoring water levels and temperature in various environments. It is ideal for applications such as groundwater studies, surface water monitoring, and environmental research. With accurate data collection capabilities, it helps researchers and engineers assess changes in water levels, contributing valuable insights into hydrological studies or flood management strategies.
  • Question: How does the HOBO U20 Data Logger operate?

    Answer: The HOBO U20 operates by submerging the device in water where it continuously records water levels and temperature readings at user-defined intervals. This data is stored internally and can be easily retrieved via a compatible USB interface with a PC. It features a robust, waterproof design, enabling it to function reliably in various field conditions, making it suitable for long-term deployments in lakes, rivers, and wetlands.
  • Question: What is the measurement range of the HOBO U20 Water Level Data Logger?

    Answer: The HOBO U20 can measure water levels from a few inches to depths beyond what standard devices can handle, depending on the specific model configuration. It generally accommodates ranges between 0 to 20 meters of water depth. This flexibility makes it useful for diverse applications, from shallow streams to deep water monitoring sites, ensuring researchers can adapt to different environmental conditions.
  • Question: Can the HOBO U20 be used for long-term deployments?

    Answer: Yes, the HOBO U20 is designed for long-term deployments in harsh environments. Its battery life can last several months to years, depending on the logging interval settings. This capability allows users to monitor changes over lengthy periods without the need for frequent maintenance, making it ideal for long-term environmental studies, including groundwater monitoring and watershed management.
  • Question: Is the HOBO U20 compatible with data analysis software?

    Answer: Absolutely, the HOBO U20 is compatible with HOBOware, a powerful software for data analysis and visualization. Once data is downloaded onto your computer, you can easily analyze trends, create graphs, and export data for further analysis. This feature enhances the device's utility, allowing researchers to make informed decisions based on comprehensive data insights, especially in environmental studies and management.
  • Question: What environmental conditions can the HOBO U20 withstand?

    Answer: The HOBO U20 is built to withstand varying environmental conditions, including temperature fluctuations and exposure to water. Its robust casing protects electronic components from moisture and physical damage, making it suitable for outdoors use in various climates. This durability ensures the logger performs well in diverse settings, from freshwater lakes to coastal areas and even industrial applications where reliable data collection is essential.
  • Question: How is data retrieved from the HOBO U20 Data Logger?

    Answer: Data from the HOBO U20 is retrieved via a USB connection to a computer. After taking measurements, users connect the logger to their PC using the supplied interface cable. The data is uploaded to HOBOware software, where it can be analyzed, graphed, and interpreted according to user needs. This straightforward data retrieval process ensures that users can quickly access critical insights for their projects when needed.
  • Question: What features enhance the accuracy of the HOBO U20 measurements?

    Answer: The HOBO U20 is equipped with precision sensors that provide reliable and accurate measurements of water levels and temperature. It features a calibrated pressure transducer, which ensures minimal drift over time, enhancing the reliability of collected data. This precision is crucial for scientific research, as it allows for meaningful comparisons and assessments in hydrological studies or environmental monitoring scenarios.
  • Question: What is the typical data logging interval for the HOBO U20?

    Answer: The typical data logging interval for the HOBO U20 can be set from as frequently as once every few seconds to several hours, based on your specific monitoring requirements. Users can customize the logging interval according to their project needs. This flexibility allows for detailed monitoring of quick changes in water levels during events like heavy rainfall or gradual changes in long-term scenarios like drought monitoring.
  • Question: Where can I buy the Onset U20-001-04, HOBO U20 Water Level Data Logger?

    Answer: You can purchase the Onset U20-001-04, HOBO U20 Water Level Data Logger from Ubuy in Guernsey. Ubuy offers a reliable platform for accessing this specialized equipment, ensuring you receive a genuine product accompanied by necessary support throughout your purchase. They also provide a user-friendly experience, making it simpler to explore specifications and find the right data logger for your needs.

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Pros

  • Highly accurate water level measurements
  • Durable and weather-resistant design
  • Long battery life (up to 5 years)
  • User-friendly software for data analysis
  • Wide range of applications for monitoring

Cons

  • Initial setup requires technical knowledge

Platform Trust & Buyer Confidence

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4.2/5 9250 + reviews
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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GBP 531

Order now and get it around Saturday, August 22

QTY:

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Features & Benefits

  • Lightning protection with no long signal wires.
  • Stainless steel housing for freshwater use.
  • Easy conversion to accurate water level readings with HOBOware Pro software.
  • Compensated for barometric pressure, temperature, and water density.
  • Multiple-rate sampling for critical times.
  • Available in 4 depth ranges for versatility.

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