Workhorse Long Ranger
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Observatory reference: E1-M3A [2014-****]
Standard: E1-M3A
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
Manufacturer
Teledyne RD Instruments
Les Nertieres
5 Avenue Hector Pintus
06610 La Gaude
France
+33 492 110 930
+33 492 110 931
Technical specifications
| Frequency | 75 kHz |
| Max. profiling range | 600 m |
| Cell size | 4-32 m |
| Operating depth | 1500 or 3000 m |
| Max. transmit | 1800 Watts |
| Blank distance | - |
| Accuracy | ± 1% ± 5 mm/s |
| Max. water velocity | ± 5 m/s default ± 10 m/s max |
| Number of cells | 1-128 |
| Max. ping rate | 1 Hz |
| Transducer | 4 Beam Convex |
| Transducer beam angle | 20° |
| Housing | - |
| Communication | RS232 or RS422 |
| Internal memory | Two PCMCIA card slots, total 4 GB |
| Transducer assembly diameter | - |
| Housing diameter | 550 mm |
| Overall length | 1014 mm self-contained, 493 mm direct reading |
| Weight in air | 86 kg self contained, 58 kg direct contact, 39 kg remote head |
| Weight in water | 55 kg self contained, 36 kg direct contact, 16 kg remote head |
| Temperature accuracy | ± 0.4°C |
| Temperature range | -5° to 45°C |
| Tilt accuracy | ± 0.5° |
| Tilt range | ± 50° |
| Compass accuracy | ± 2° |
| Compass max. tilt | ± 15° |