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HOBO Dissolved Oxygen Logger - U26-001

The HOBO U26 Dissolved Oxygen Logger is a highly precise, low-cost data logger for measuring concentrations of oxygen in lakes, streams, rivers, estuaries, and coastal waters. Used by aquatic biologists, hydrologists, and other research professionals, the HOBO U26 combines the high accuracy, robust performance of industry-leading RDO® Basic (Rugged Dissolved Oxygen) sensor technology with an easy-to-maintain design.
Part Number: U26-001
$2,357.00 ex GST
[$2,592.70 inc GST]

The HOBO U26 Dissolved Oxygen Logger is a highly precise, low-cost data logger for measuring concentrations of oxygen in lakes, streams, rivers, estuaries, and coastal waters. Used by aquatic biologists, hydrologists, and other research professionals, the HOBO U26 combines the high accuracy, robust performance of industry-leading RDO® Basic (Rugged Dissolved Oxygen) sensor technology with an easy-to-maintain design.

  • Affordable, high performance dissolved oxygen (DO) monitoring with 0.2 mg/L accuracy
  • Optical DO sensor technology for long-lasting calibration with less maintenance
  • Dissolved Oxygen Assistant software corrects for measurement drift from fouling; provides salinity-adjusted DO concentrations and percent saturation
  • Optical USB interface for high-speed, reliable data offload
  • Easy-to-replace DO sensor cap lasts six months

NOTE: If you need DO in Percent Saturation, barometric pressure data is required, which can be logged with a HOBO Water Level Logger (U20-001-04).

Includes:

  • U26-001 data logger
  • DO sensor cap
  • Protective Guard
  • Calibration Boot with sponge

Environment:
The U26-001 Data Logger is for use in Underwater environments

Measurements:
The U26-001 Data Logger supports the following measurements: Temperature, Dissolved Oxygen

The HOBO U26 Dissolved Oxygen Logger is a highly precise, low-cost data logger for measuring concentrations of oxygen in lakes, streams, rivers, estuaries, and coastal waters. Used by aquatic biologists, hydrologists, and other research professionals, the HOBO U26 combines the high accuracy, robust performance of industry-leading RDO® Basic (Rugged Dissolved Oxygen) sensor technology with an easy-to-maintain design.

  • Affordable, high performance dissolved oxygen (DO) monitoring with 0.2 mg/L accuracy
  • Optical DO sensor technology for long-lasting calibration with less maintenance
  • Dissolved Oxygen Assistant software corrects for measurement drift from fouling; provides salinity-adjusted DO concentrations and percent saturation
  • Optical USB interface for high-speed, reliable data offload
  • Easy-to-replace DO sensor cap lasts six months

NOTE: If you need DO in Percent Saturation, barometric pressure data is required, which can be logged with a HOBO Water Level Logger (U20-001-04).

Includes:

  • U26-001 data logger
  • DO sensor cap
  • Protective Guard
  • Calibration Boot with sponge

Environment:
The U26-001 Data Logger is for use in Underwater environments

Measurements:
The U26-001 Data Logger supports the following measurements: Temperature, Dissolved Oxygen

HOBO Dissolved Oxygen Data Logger U26

Learn the features of this dissolved oxygen logger, which measures both dissolved oxygen and temperature. Specs covered include RDO sensor technology calibration, accuracy rating, and six-month cap-life. More details regarding anti-fouling guard, housing for fresh or salt water, and waterproof shuttle are coverd. Battery details, optical communications for underwater offloading, and HOBOware Pro software compatibility are also discussed.

Dissolved Oxygen  
  Sensor Type Optical
  Measurement Range 0 to 30 mg/L
  Calibrated Range 0 to 20 mg/L; 0 to 35°C (32 to 95°F)
  Accuracy 0.2 mg/L up to 8 mg/L; 0.5 mg/L from 8 to 20 mg/L
  Resolution 0.02 mg/L
  Response Time To 90% in less than 2 minutes
  DO Sensor Cap Life 6 months, cap expires 7 months after initialization
Temperature  
  Temperature Measurement/Operating Range -5 to 40°C (23 to 104°F); non-Freezing
  Temperature Accuracy 0.2°C (0.36°F)
  Temperature Resolution 0.02°C (0.04°F)
  Response Time To 90% in less than 30 minutes
Logger  
  Memory 21,700 sets of DO and temperature measurements (64 KB total memory)
  Logging Rate 1 minute to 18 hours
  Time Accuracy ±1 minute per month at 0 to 50°C (32 to 122°F)
  Battery 3.6 V lithium battery; factory replaceable
  Battery Life 3 years (at 5 minute logging)
  Download Type Optical
  Depth Rating 100 m (328 ft)
  Wetted Materials Black Delrin®, PVC, EPDM o-rings, silicone bronze screws; rated for saltwater use
  Size 39.6 mm diameter x 266.7 mm length (1.56 x 10.5 inches)
  Weight 464 g (16.37 oz)
  Description: ce The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
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