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Teledyne RDI Workhorse Long Ranger ADCP

The Industry Standard for Long-Range, Deep-Water Current Profiling

Product Overview

The Teledyne RD Instruments Workhorse Long Ranger is a 75 kHz Acoustic Doppler Current Profiler (ADCP) specifically designed for high-performance current profiling over long distances. It is the premier choice for gathering detailed data on seasonal and annual ocean current fluctuations, making it a staple for scientific research, polar studies, and offshore oil and gas projects.

Unlike higher-frequency units designed for shallow water, the Long Ranger is optimized to profile the upper ocean or deep-water columns up to 600 meters in range, providing the longest proven profiling range available from a self-contained ADCP.

Specification	Details
Frequency	75 kHz
Max Profiling Range	600 m (Typical)
Depth Rating	1500 m (Standard) / 3000 m (Optional)
Velocity Accuracy	±1.0% of measured velocity ± 0.5 cm/s
Velocity Resolution	1 mm/s
Depth Cell Size	4 m to 32 m
Number of Depth Cells	1 to 128 (standard) / up to 255
Internal Memory	Two PCMCIA card slots (up to 4GB total)
Standard Sensors	Temperature, Tilt (±15° or ±50°), Compass (Fluxgate)
Weight in Air (SC)	~86 kg (Self-Contained with batteries)

Long-Range Profiling: Capable of measuring current structures at a distance of up to 600m, depending on water conditions.
BroadBand Signal Processing: Utilizes Teledyne's patented BroadBand technology to produce low-noise, high-resolution data while significantly extending battery life for long-term deployments.
Programmable Modes:
- Long Range Mode: Maximizes profiling range (up to 600m) with a narrower bandwidth.
- High Precision Mode: Offers more precise velocity measurements at a reduced range (approx. 430–500m).
Flexible Configurations: Available in three versions:
- Self-Contained (SC): Includes internal battery packs and memory for autonomous deployments.
- Direct Reading (DR): Designed for real-time monitoring via cable link to a shore station or offshore platform.
- Remote Head: Allows the transducer to be mounted separately from the electronics for tight spaces or specialized moorings.
Extended Deployment Life: Engineered for "set it and forget it" missions lasting 3, 6, or 12 months in environments ranging from the tropics to the poles.

1772129090_long_ranger_datasheet_lr.pdf

Teledyne RDI Workhorse Long Ranger ADCP

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