The Onset HOBO U20L-02 Water Level Data Logger is a low-cost, research-grade instrument for continuously measuring water level and temperature in a wide range (up to 100 feet) of underwater environments. It features 0.1% accuracy, a polypropylene housing for use in both fresh and salt water, and a non-vented design for convenient and hassle-free deployment.

Note: A calibration certificate is not offered for this logger. If you require a NIST-traceable calibration certificate, please see the U20-001-02 (freshwater) or U20-001-02-Ti (saltwater) data loggers.

Note: U20L-02 data loggers require the HOBOware software (free to download) to operate. Please also note that a USB interface cable comes with the purchase of a HOBOware Pro CD (BHW-PRO-CD), only.

What measurements does this data logger support?

The U20L-02 data logger supports the following measurements: Absolute Pressure, Barometric Pressure, Temperature and Water Level

Features:

• NOTE: This product requires HOBOware software (USB interface cable included w/BHW-PRO-CD purchase, ONLY)

• Self-contained non-vented design enables easy deployment

• Ideal for use in both fresh and saltwater environments, including wells, streams, lakes, wetlands, and tidal areas

• Depths up to 100 feet

• 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

• Environments: The U20L-02 Data Logger is for use in Outdoor and Underwater environments

• Measurements: Temperature, Barometric Pressure, Water Level

• Range: 0 to 400 kPa (0 to 58 psia); approximately 0 to 30.6m (0 to 100') of water depth at sea level, or 0 to 33.6m (0 to 111') of water at 3,000m (10,000') of altitude

• Accuracy: Typical error: ±0.1% FS, 3.0cm (0.1') water

• Maximum error: ±0.2% FS, 6.0cm (0.2') water

What's in the Box:

• (1) Onset U20L-01 HOBO Low-Cost Water Level Data Logger, 0-9 m (0-30 ft)
  

• Requires HOBOware Pro Software (Version 3.2+) and an Optic USB Base Station (BASE-U-4) or Shuttle Data Transporter (U-DTW-1)

Brochure/Datasheet

Instruction manual

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