MicroDAQ.com
Toll Free: 1-877-275-9606
(603) 746-5524
$5.99 Flat Fee Economy Shipping on Most Items Shipped in the Continental USA

You have no items in your shopping cart.

Subtotal: $0.00

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

Be the first to ask a question about this product

Be the first to review this product


  • 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)

Please allow 3-5 days for this item to ship.

$299.00

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

$299.00

Onset HOBO Water Level Data Logger Specifications

Data Channels 1 Temperature Channel
1 Pressure/Water Level Channel
Water Level Measurement Range: 0 to 4m (0 to 13ft) - Sea Level; 0 to 7m (0 to 23ft) - 3,000m Altitude
Burst Pressure: 18m (60ft) Depth
Accuracy (Typical): ±0.1% FS, 0.4 cm (0.013 ft) Water
Accuracy (Max): ±0.2% FS, 0.8 cm (0.026 ft) Water
Resolution: 0.14 cm (0.005 ft) Water
Response Time: < 1 second @ stable temperature to 90%
NOTE: Measurement Accuracy Also Depends on Temperature Response Time
Pressure Pressure Range: 0 to 145kPa (0 to 21 psia)
Calibrated Range: 69 to 145 kPA (10 to 21 psia) @ 0°C to 40°C
Burst Pressure: 310 kPa (45 psia)
Raw Pressure Accuracy: ±0.3% FS, 0.43 kPa (0.17 psi) - Max Error
Resolution: <0.014 kPa (0.002 psi)
Temperature Measurement Range: -20°C to 50°C (-4°F to 122°F)
Accuracy: ±0.44°C from 0°C to 50°C (±0.79°F from 32°F to 122°F)
Resolution: 0.10°C at 25°C (0.18°F at 77°F)
Response Time: 10 Minutes in Water to 90% (Typical)
Stability (Drift): 0.1°C (0.18°F) per Year
Data Storage Capacity 21,700 Pressure (Water Level) and Temperature Readings
Sampling Rate 1 Second to 18 Hours (User-Specified)
Logging Modes Fixed Rate or Multiple Logging Intervals ( up to 8)
Power Source 2/3AA, 3.6 Volt Lithium Battery - Factory Replaceable
Battery Life 5 Years @ 1 Minute Sampling Rate
(Dependant Upon Environment and Operating Range)
Time Accuracy ±1 Minute per Month @ 0 to 50°C (32°F to 122°F)
Communications Optical Connection to Setup Data Logger and Download Data
Data Storage Modes Stop When Full or Wrap/Overwrite When Full (FIFO)
Start Modes Immediate Start or Delayed
Offload Modes Offload While Logging; Stop and Offload
Materials Polypropylene Housing and Lanyard; Vitron and Buna-N O-Rings; Ceramic Sensor in Acetyl End Cap; Stainless Steel Screws Suitable for Saltwater
Software Compatibility HOBOware PRO Version 3.5+
OS Compatibility Windows: Windows 10, 8.1, 8 and 7
Mac: OS X 10.9.x, 10.10.x and 10.11.x
Weight Air: 154 grams (5.43 oz)
Fresh Water: 53.9 grams (1.9 oz)
Dimensions 3.18 cm x 15.24 cm (1.25" x 6.0")
Mounting Hole: 6.3mm (0.25")

You may also be interested in the following product(s)

Waterproof Shuttle Data Transporter

Waterproof Shuttle Data Transporter

  • Easy Data Readout, Battery Check and Relaunching of Underwater Data Loggers
  • Waterproof up to 20 Meters (66 ft)
  • LED Indicators Show Offload and Relaunch Status
  • Synchronizes Data Logger Clock and Relaunch
  • Rugged Waterproof Polycarbonate Housing with EPDM Rubber O-Rings
  • Requires HOBOWare PRO Software

Includes USB Host Cable and Couplers for UA Pendant, U20 Water Level, U22 Water Temp, TidbiT, U23 and U24 Data Loggers

Learn More
$249.00
Pelican Protective Carry Case

Pelican Protective Carry Case

  • Durable Airline-Legal Carry-On for Data Logging Equipment
  • Strong Polyurethane Wheels with Stainless Steel Bearings
  • Open Cell Core with Solid Wall Design
  • Stainless Steel Hardware and Padlock Protectors
  • Pick N Pluck™ with Convoluted Lid Foam
Learn More
$229.00
Onset Coupler for U20L, U22, U24 and U26 Data Loggers

Onset Coupler for U20L, U22, U24 and U26 Data Loggers

  • Replacement Coupler for BASE-U-4, U20L, U22, U24 and U26 Data Loggers
Learn More
$11.00
Onset Underwater Protective Housing

Onset Underwater Protective Housing

  • Designed to Provide Added Protection from Debris And Allows Water to Move Freely In and Out
  • Easy Deployment in a Variety of Water Monitoring Applications
  • Housing Material: PVC
  • Weight: 229 grams (8.1 oz.)
  • Dimensions: 51mm x 235mm (2.0" x 9.25")

Includes (6) Cable Ties

Learn More
$46.00
HOBOware Pro Software and USB Cable Kit

HOBOware Pro Software and USB Cable Kit

  • Advanced Software for Management of Onset Data Loggers
  • Supports Data Shuttle, Data Assistants and Plug-ins
  • Additional Time-Saving Tools for Fast Setup and Data Readout
  • Advanced Plotting Tools for More Precise Data Analysis
  • Compatible with Windows and Mac Operating Systems

Kit Includes HOBOware Pro Software and Standard Type A to Mini B USB Cable (#CABLE-USBMB-HS)

Compare HOBOware (Free Download) to HOBOware Pro Software

Learn More
$99.00

Customer Reviews

Write Your Own Review

You're reviewing: HOBO U20L Low-Cost Water Level Data Logger

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars
Price
Quality
Value

There are no product questions yet.

Ask Your Question

  • Reload captcha

* Required Fields