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 U24 Saltwater Conductivity Data Logger

  • Onset HOBO U24 Saltwater Conductivity Data Logger

HOBO Saltwater Conductivity and Salinity Data Logger

Onset Logger Measuring and Recording Temperature and Conductivity (Salinity)

Part Number: U24-002-C

Be the first to ask a question about this product

Be the first to review this product

  • Non-contact Sensor Minimizes Drift-Related Measurement Errors

  • Also Features Open Access to Sensor for Cleaning and Software-Based Drift Compensation

  • Software Enables Start/End-Point Calibration to Compensate for Fouling and Easy Conversion to Specific Conductance and Salinity

  • 5,000 to 55,000 µS/cm (Conductivity Extended Range) and 5°C to 35°C (Temp) Measurement Ranges

  • 3 Year Battery Life with Factory Replaceable Battery

  • Stores at Least 14,400 Sets of Measured Readings

  • Requires HOBOware Pro Software Download (Version 3.2+)

Designed for Saltwater Sources. See the U24-001 for Fresh Water Sources

Special order - please allow 3-5 business days for this item to ship.


Onset HOBO® U24-002-C Saltwater Conductivity Data Logger Specifications

Data Channels 2 Channels (Conductivity or Salinity and Temperature)
Calibrated Low Range: 100 to 10,000 µS/cm @ 5°C to 35°C)
Calibrated Full Range: 5,000 to 55,000 µS/cm @ 5°C to 35°C)
Resolution: 2 µS/cm
Accuracy (Low Range): 3% of Reading, or 50 µS/cm
Accuracy (High Range): 5% of Reading*
Drift: Up to 12% per month in saltwater (exc. drift from fouling)
* In waters within a range of 3,000 µS/cm
Temperature Measurement Range: 5°C to 35°C (41°F to 95°F)
Resolution: 0.01°C (0.02°F)
Accuracy: 0.1°C (0.2°F)
Response Time 1 second to 90% of Change (In Water)
Data Storage Capacity 1 Conductivity Range: 18,500 Measurement Readings
2 Conductivity Ranges: 14,400 Measurement Readings
Sampling Rate 1 Second to 18 Hours (User-Specified)
Up to 8 Sampling Intervals User-Defined
Operating Range Temperature: -2°C to 36 °C (28°F to 97°F) - Non-Freezing
Battery 3.6 Volt Lithium Battery - Factory Replaceable Only
Battery Life 3 Years @ 1 Minute Sampling Rate
(Dependant Upon Environment and Operating Range)
Maximum Depth 70 Meters (225 feet)
Sample & Event Logging Samples: Recorded Sensor Measurements
Events: Logger Activity (ie: Bad Battery, Host Connected)
Wetted Housing Materials Delrin, Epoxy, Stainless Steel Retaining Ring, Polypropylene, Buna Rubber O-Ring, Titanium Pentoxide (Inert Coating Over Sensor)
Note: All Materials Are Suitable for Long-Term use in Saltwater
Communications USB optical Interface for Downloading Data. Requires Base Station (U-DTW-1 or BASE-U-4)
Software Compatibility HOBOware PRO Version 3.2+
OS Compatibility Windows: Windows 10, 8.1, 8 and 7
Mac: OS X 10.9.x, 10.10.x and 10.11.x
Standards Compliance CE
Weight 193 grams (6.82 oz.)
Buoyancy in Freshwater: -59.8gm (-2.11 oz.)
Dimensions 3.18cm x 16.5cm (1.25" x 6.5")
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
Onset U-Shuttle Data Transporter

Onset U-Shuttle Data Transporter

  • Pocket-Sized Shuttle for Readout and Relaunch HOBO Data Loggers
  • Syncs Data Logger Clocks and Relaunch
  • View Readings on LCD Display
  • Direct USB Connection to PC Computer
  • Requires HOBOWare PRO Software
Learn More
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
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
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
Onset 1/16" Teflon-Coated Stainless Steel Cable

Onset 1/16" Teflon-Coated Stainless Steel Cable

  • 1/16" Diameter Teflon-Coated Stainless Steel Cable
  • Coiled and Bound
  • Available in 50 ft and 300 ft Cable Length Options
Learn More
Cable Length

Onset Crimp Sleeves

Onset Crimp Sleeves

  • (12) 3/8"-Long Stainless Steel Crimp Sleeves
  • Use with 1/16" Teflon-Coated Stainless Steel Cable
Learn More
HOBOware Pro Download Software Version 3.10.7

HOBOware Pro Download Software Version 3.10.7

  • 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
  • Available As A 30-Day Trial

Compare HOBOware (Free Download) to HOBOware PRO Software

Download HOBOware PRO Software.
License Key is Emailed after Purchase.

Learn More

Customer Reviews

Write Your Own Review

You're reviewing: HOBO Saltwater Conductivity and Salinity Data Logger

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars

There are no product questions yet.

Ask Your Question

  • Reload captcha

* Required Fields