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Marine Measurements

Workhorse Long Ranger ADCP
The name says it all...

Long Ranger ADCP

Workhorse Long Ranger ADCP.
For long-range, long-term deployments, the  Long Ranger is the best choice for collecting detailed data on seasonal and annual current structure fluctuations for scientific research and offshore oil and gas applications.

The highly reliable Long Ranger delivers the precision accuracy you require, combined with the dependability of RDI's proven Workhorse products.

Hundreds of Long Ranger units are currently deployed on:
• environmental monitoring buoys
• offshore oil rigs
• polar research moorings


Key Specifications
Frequency: 75 kHz
Max Range: up to 600 Meters
Max Depth: 1500M / 3000M
Configuration: Self-contained, direct reading, or remote head

Download Workhorse Long Ranger ADCP datasheet (319 Kb)
>>click here

Application Information
Workhorse Long Ranger Application Notes
>> view applications

ADCPs for Internal Wave Measurements? >>Click here

Data Samples
Workhorse Long Ranger Data Samples
>> view data

Not sure which ADCP is right for you? Consult our product selection guide >>download PDF

Workhorse Long Ranger Product FAQs 
>>learn more

  • Provides the longest profiling range available from a self-contained ADCP.
  • Patented BroadBand signal processing produces precise measurement,allowing frequent sampling with extended battery life.
  • Long Ranger inherits the Workhorse family electronics that have been proven in thousands of RDI ADCP applications.
  • Set it and forget it: Three, six,twelve-month-long successful deployments from polar waters to the tropics.

Need a turnkey mooring solution? 
RDI has partnered with DeepWater Buoyancy to provide you with one stop shopping.

Workhorse Long Ranger ADCP Application Notes

FUGRO GEOS rises to Thunder Horse Challenge
Image courtesy of Fugro GEOS

Highlighted Application:
Long Rangers for oil & gas applications
The Long Ranger ADCP is a key component of deep water column profiling applications.  In fact, full column profiling is possible when the Long Ranger is combined with other Teledyne RDI products.

>>"Fugro GEOS Rises to Thunder Horse Challenge"; Fugro GEOS Newsletter, AQUA No. 18, 2008.

Long Ranger for oil & gas applications

>>download Offshore Engineer article (857 Kb PDF)

>>download Ocean News & Technology article (165 Kb PDF)

>>Learn about full column profiling


Long Ranger for Oceanographic Research Applications Highlighted Application:
Long Rangers for Oceanographic Research
Due the its extended range, and extended deployment life, the Long Ranger has been a long standing, highly reliable tool for deep water oceanographic research projects.

>>download International Ocean Systems Article (478 Kb)

Top to bottom Long Ranger application Highlighted Application:
Top-to-bottom Communications with the Deep Sea Ocean Link DOMEST
The DOMEST project examines the ocean surface exchanges and the sediments near the ocean bottom. Scientists need information about deep sea currents, resuspension of particles, particle load and "fluffy layer conditions" to study the final life stage of plankton as it dies and settles on the sea floor.

>>Read on to learn how Teledyne RDI's ADCPs were utilized for this project


Have an application you'd like to share?
We'd love to hear from you! (And, as a token of our appreciation, we'll send you a special gift!)
Please fill in this brief online form; and e-mail any accompanying photos or data sets to
Short on time? Contact Margo to schedule a quick telephone interview.

Workhorse Long Ranger ADCP Data Samples

Data samples to follow soon.


Workhorse Long Ranger ADCP FAQs (Frequently Asked Questions):

FAQs to follow soon.

Looking for more information?
Contact the Marine Measurements group for immediate assistance. >>contact info