Hobo Monitoring Systems

Hobo® | Conductivity Logger | For Saltwater Monitoring

Hobo® | Conductivity Logger | For Saltwater Monitoring

Regular price $1,244.46
Regular price Sale price $1,244.46
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  • High-accuracy data logger measures conductivity, temperature, specific conductance, and salinity.
  • Ideal for environments with small salinity changes or detecting salinity events like upwelling or storm discharges.
  • Features a non-contact sensor to minimize drift and allow easy cleaning.
  • Includes HOBOware® Conductivity Assistant for data analysis and conversion to salinity using PSS-78.
  • Rugged design with optional protective housing for harsh environments.
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Product Description

Hobo® | Conductivity Logger | For Saltwater Monitoring

DESCRIPTION

High-accuracy, cost-effective water quality data logger measures actual conductivity and temperature plus provides specific conductance at 25°C (77°F) and salinity with the HOBOware® Conductivity Assistant (included in the HOBOware Pro Software). Easily deployable, this rugged logger is ideal for environments with relatively small changes in salinity (±5,000 uS/cm), such as saltwater bays, or to detect salinity events, such as upwelling, rainstorm, and discharge events. An optional protective housing is available to help better protect the logger, reduce fouling, and simplify mounting in harsh environments. Easy to maintain, features include a non-contact sensor to minimize drift-related measurement errors, open access to the sensor for cleaning, and the HOBOware Pro software enables start/end-point calibration to compensate for any fouling and provides easy conversion to specific conductance and salinity using the Practical Salinity Scale 1978 (PSS-78). USB optical interface provides high-speed, reliable data offload in wet environments. Compatible with the HOBO Waterproof Shuttle for easy and reliable data retrieval and transport. Memory: 18,500 temperature and conductivity measurements when using one conductivity range; 14,400 sets of measurements when using both conductivity ranges (64kbytes). Sample rate: 1 second to 18 hrs, fixed or multiple-rate sampling with up to 8 user-defined sampling intervals. Battery life: 3 years (@ 1 min logging). Maximum Depth: 70 m (225’). Operating Range: -2 to 36°C (28° to 97°F) - non freezing. Weight: 6.82 oz.; buoyancy in freshwater: -2.11 oz. Size: 1.25” diameter x 6.5”, 1/4” hole.

Key Features

  • High Accuracy: Measures conductivity, temperature, specific conductance, and salinity with excellent precision.
  • Non-Contact Sensor: Reduces drift and simplifies maintenance by allowing easy cleaning.
  • HOBOware Pro Software: Provides data analysis, calibration, and conversion to salinity using PSS-78.
  • Rugged Design: Optional protective housing for harsh environments and reduced fouling.
  • Reliable Performance: USB optical interface for quick data offload and up to 3 years of battery life.

Detailed Specification

Specification Details
Brand HOBO
Model Number (MPN) U24-002-C
UNSPSC Code 41114303
Conductivity Range High: 5,000–55,000 µS/cm; Low: 100–10,000 µS/cm
Temperature Range -2°C to 36°C (28°F to 97°F), non-freezing
Accuracy (Specific Conductance) Low: ±3% or 50 µS/cm; High: ±5% within ±3,000 µS/cm of calibration point
Temperature Accuracy ±0.1°C (0.2°F)
Resolution Conductivity: 2 µS/cm; Temperature: 0.02°F (0.01°C)
Drift Up to 12% sensor drift per month (exclusive of fouling drift)
Response Time 1 second to 90% change (in water)
Memory 18,500 measurements (single range); 14,400 (dual range)
Logging Rate 1 second to 18 hours
Battery Life 3 years (1-minute logging)
Maximum Depth 70 m (225 ft)
Weight 6.82 oz (negative buoyancy in freshwater: -2.11 oz)
Dimensions 1.25” diameter x 6.5”; 1/4” hole

In Package

  • 1 x HOBO® Conductivity Logger for Saltwater
  • 1 x HOBOware® Conductivity Assistant (included with HOBOware Pro Software)
  • Note: Optional protective housing and HOBO Waterproof Shuttle sold separately.

Manuals & Documents

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Overall rating: 4.6 / 5 from 105 reviews.

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