Inspection and security robotsOceanAlphaShowcase
OceanAlpha SL20
By OceanAlpha
The OceanAlpha SL20 is a compact unmanned vessel for bathymetric surveys in shallow and narrow waters.
OceanAlpha calls the SL20 a compact USV with a carbon-fiber hull of 1.05 m x 0.55 m x 0.38 m and 17 kg. Draught is 15 cm, speed reaches 8 knots and endurance is 6 hours at 3 knots. The radio remote control has a range up to 1 km and the autopilot a communication range up to 2 km. The page lists a 177 mm moon pool and mounting brackets for an echo sounder, ADCP and RTK GPS. No ordering option is shown; there is a contact form for the sales team. Availability in the Netherlands is not confirmed.
Status 2026
ShowcaseThis model is listed as a showcase. Direct commercial availability has not been confirmed.- 01Inspection rounds
Drives or walks fixed rounds and records what happens.
- 02Compact unmanned survey vessel (USV)
In the inspection and security robots category.
- 17kg
- Weight
- 8kn
- Speed
- 6 h at 3kn
- Runtime per charge
- 1km
- Reach remote control), to 2 km (autopilot
Values as recorded on the robot profile, generally based on manufacturer information. Configuration and operating conditions can change the figures; confirm them with the supplier.
What is OceanAlpha SL20?
OceanAlpha SL20 is an inspection and security robot from OceanAlpha from Hong Kong, listed for bathymetric survey in coastal areas and water discharge measurement in narrow waterways, surveys in narrow inland waterways, shallow rivers and coastal areas and riverine and canal inland waterway survey. Key figures: weight 17 kg, speed up to 8 kn, runtime per charge 6 h at 3 kn, reach up to 1 km. Some figures apply under specific conditions; see the robot profile. Market status: showcase. Availability and deployment options should be confirmed with a supplier. Robotleasen does not sell robots; it helps businesses compare suppliers and recorded information.
In practice
How does it compare with other robots?
Each value next to the other robots in the same category in our guide, where that value is known. All figures according to the manufacturer; unconfirmed values are marked in the figures at the top.
- This robot
- Other robots in the category
- Runtime6hTHIS ROBOTmin 0.2 hmax 130 h
Place 21of 63
Higher than 39 of the 62 other robots, equal to 3
- Weight17kgTHIS ROBOTmin 1.1 kgmax 4,200 kg
Place 65of 108
Higher than 41 of the 107 other robots, equal to 2
Application
What was SL20 developed for?
Bathymetric survey in coastal areas and water discharge measurement in narrow waterways
Surveys in narrow inland waterways, shallow rivers and coastal areas
Riverine and canal inland waterway survey
Business fit
When might SL20 be a fit?
An initial view based on the recorded category and model information
May be suitable for
- Organisations assessing a robot for a defined task and work environment.
- Teams comparing the robot's recorded profile with other options.
- Businesses that want to validate the application and integration requirements.
Considerations
- Confirm capabilities and current availability with the manufacturer or supplier.
- Check the work environment, integration needs and local support before selecting a model.
Facts
Did you know?
Notable facts about SL20, its manufacturer and this type of robot
In power plants, for example, inspection robots read meters and trace leaks with thermal or gas sensors.
Robotleasen lists 7 robots from OceanAlpha. You can find them all on the supplier page.
Market and supply
Is SL20 available?
A profile status is not a confirmed offer or delivery time
Status board
Checked 5 November 2026- Market statusShowcaseActive
- RegionHong KongActive
- Lease / RaaSNot confirmedNot confirmed
- RentalNot confirmedNot confirmed
2 of 4 confirmedAvailability depends on market launch, region and the manufacturer's channels.
Manufacturer
OceanAlpha
OceanAlpha is listed in the Robotleasen directory with 7 robot models.
OUR INTERPRETATION
Our perspective on SL20
OceanAlpha calls the SL20 a compact USV with a carbon-fiber hull of 1.05 m x 0.55 m x 0.38 m and 17 kg. Draught is 15 cm, speed reaches 8 knots and endurance is 6 hours at 3 knots. The radio remote control has a range up to 1 km and the autopilot a communication range up to 2 km. The page lists a 177 mm moon pool and mounting brackets for an echo sounder, ADCP and RTK GPS. No ordering option is shown; there is a contact form for the sales team. Availability in the Netherlands is not confirmed.
Lease or rent
Can you lease this robot?
Leasing options for this model are not in our data. Ask the supplier about leasing, rental or Robot-as-a-Service, or use our request page for advice.
Compare
Compare SL20
| Feature | SL20OceanAlpha | IguanaExail | Cameleon LGExail |
|---|---|---|---|
| Market status | Showcase | Commercially available | Commercially available |
| Application | Bathymetric survey in coastal areas and water discharge measurement in narrow waterways, Surveys in narrow inland waterways, shallow rivers and coastal areas | Reconnoitring difficult-to-reach locations with cameras, Moving sensor equipment during professional inspections | Reconnoitring locations remotely with cameras, Supporting inspections with interchangeable sensor equipment |
| Deployment | Not confirmed | Not confirmed | Not confirmed |
| Region | Hong Kong | Not publicly confirmed | Not publicly confirmed |
Explore alternatives
Alternatives to SL20
Profiles from the same category, selected by similar applications
Dragonfish Series
Different market status: commercially available
View robot Robotic Assistance DevicesCommercially availableROAMEO
Different market status: commercially available
View robot SpotShowcaseInspection
Different application: inspection
View robotFrequently asked questions
Questions about SL20
What is the OceanAlpha SL20?
OceanAlpha SL20 is an inspection and security robot from OceanAlpha from Hong Kong, listed for bathymetric survey in coastal areas and water discharge measurement in narrow waterways, surveys in narrow inland waterways, shallow rivers and coastal areas and riverine and canal inland waterway survey. Key figures: weight 17 kg, speed up to 8 kn, runtime per charge 6 h at 3 kn, reach up to 1 km. Some figures apply under specific conditions; see the robot profile. Market status: showcase. Availability and deployment options should be confirmed with a supplier. Robotleasen does not sell robots; it helps businesses compare suppliers and recorded information.
What are the specifications of the OceanAlpha SL20?
Key figures: weight 17 kg, speed up to 8 kn, runtime per charge 6 h at 3 kn, reach up to 1 km. Some figures apply under specific conditions; see the robot profile. Values as recorded on the robot profile, generally based on manufacturer information. Configuration and operating conditions can change the figures; confirm them with the supplier.
Which supplier is listed for the OceanAlpha SL20?
OceanAlpha SL20 is listed under OceanAlpha, based in Hong Kong. Check local sales and support terms directly with the supplier.
Is the OceanAlpha SL20 available to buy or lease in the Netherlands?
Showcase. Deployment: not confirmed. Whether this model is available to buy, rent or lease in the Netherlands depends on the supplier. Ask a supplier to confirm current availability.
How much does the OceanAlpha SL20 cost?
No reliable public price is listed for this model. Costs depend on configuration and supplier.
What is the OceanAlpha SL20 used for?
The applications listed for the OceanAlpha SL20 include bathymetric survey in coastal areas and water discharge measurement in narrow waterways, surveys in narrow inland waterways, shallow rivers and coastal areas and riverine and canal inland waterway survey.
What are alternatives to the OceanAlpha SL20?
Profiles include Autel Robotics Dragonfish Series, Robotic Assistance Devices ROAMEO and Spot Inspection. Compare their applications, specifications and market status.
Next step
Looking for a robot that is available today?
Review the recorded market status, applications and alternatives for this robot. We do not sell robots ourselves, but help you compare suppliers and terms.
Sources and checks
Checked against the manufacturer · last checked
- Manufacturer oceanalpha.com
Specifications are generally based on manufacturer information and have not been measured by Robotleasen. See our editorial approach.